[Q] Request: Z3 T-MO ROM for Z3c - Xperia Z3 Compact Q&A, Help & Troubleshooting

T-Mobile US at the moment has decided to not carry the Z3c, but they do have the Z3. WiFi calling is an important feature for me. With the specs, radios, and almost everything, except for the screen and memory, between the Z3 and Z3c being the same, I was wondering if anyone has explored porting the US T-Mobile Z3 ROM to the Z3c? Based on my limited knowledge, I don't think it would be difficult at all. Thoughts?
Cheers,
Mike

michmill said:
T-Mobile US at the moment has decided to not carry the Z3c, but they do have the Z3. WiFi calling is an important feature for me. With the specs, radios, and almost everything, except for the screen and memory, between the Z3 and Z3c being the same, I was wondering if anyone has explored porting the US T-Mobile Z3 ROM to the Z3c? Based on my limited knowledge, I don't think it would be difficult at all. Thoughts?
Cheers,
Mike
Click to expand...
Click to collapse
I know this might not be a perfect solution, but if you get hangouts + hangouts dialer, you get free WiFi calling. Just a heads up :good:

C2fifield said:
I know this might not be a perfect solution, but if you get hangouts + hangouts dialer, you get free WiFi calling. Just a heads up :good:
Click to expand...
Click to collapse
Thanks C2, but the T-MO WiFi calling is a bit different. It will transfer a call to/from WiFi and cell coverage. For example, I take a call in the car on the way home from work, and then walk into my house. The WiFi calling will transfer the call from cell to my home WiFi, and not lose connection.
Cheers,
Mike

I second this - would be awesome mainly for reception, VoLTE, etc.

michmill said:
T-Mobile US at the moment has decided to not carry the Z3c, but they do have the Z3. WiFi calling is an important feature for me. With the specs, radios, and almost everything, except for the screen and memory, between the Z3 and Z3c being the same, I was wondering if anyone has explored porting the US T-Mobile Z3 ROM to the Z3c? Based on my limited knowledge, I don't think it would be difficult at all. Thoughts?
Cheers,
Mike
Click to expand...
Click to collapse
this should be no problem once the bootloader on the z3 for tmo is unlocked and we can get all the goodies

Was this tried/did this work on the Z1C/Z1s as T-mobile had a Z1 device a year ago and there was a comparable compact version?

does the Z3C even have wifi calling hardware capability?

It isn't a hardware thing

rp3 said:
Was this tried/did this work on the Z1C/Z1s as T-mobile had a Z1 device a year ago and there was a comparable compact version?
Click to expand...
Click to collapse
nope and doubting it could be done the same for here

Any update on this?

probably not going to happen. you do need the tech for it to work since it tmo uses UMA. also wifi calling doesn't even work like that one guy says. currently, they can't pass the calls from lte to wifi (or vice versa). if you walk out of range it just disconnects and you have to call them again.

sillieidiot said:
probably not going to happen. you do need the tech for it to work since it tmo uses UMA. also wifi calling doesn't even work like that one guy says. currently, they can't pass the calls from lte to wifi (or vice versa). if you walk out of range it just disconnects and you have to call them again.
Click to expand...
Click to collapse
Hey all,
Any chance of bringing this up again? looks like the Z3 FW is available here:
http://forum.xda-developers.com/z3/general/ftf-stock-firmwares-xperia-z3-models-t2886061
My wife just got the Z3C and she is really enjoying what is basicly the only good small Android phone, but her signal in her office is little to none.
Signal boosters are not allowed in her building as they can interfere with WiFi.
I would love to find a way to get T-Mobile's WiFi calling on her phone as it works very well for me on my Note4
Thanks all

Related

No simulation voice / data without update?! (Verizon)

Wow I am not a happy camper reading this http://phandroid.com/2014/09/20/verizon-moto-x-launch-without-simultaneous-voice-data/ can anyone else confirm this is in fact the case?
Does it only have one radio that does CDMA and LTE, rather than two separate ones or something? I was so hopeful to get a Moto X, unlike most people I do a lot of calling & relaying data, making appointments, etc on the phone. I've been struggling with my Galaxy S3 reception for the past 2 years I was hoping Motorola legendary reception would be my salvation but it's looking like that might not be the case. Right now with my GS3 I get 1bar of LTE, if I go downstairs I get 2 bars of 3G. I know Samsung receptions blows chunks but would Moto be that much better to hold on to LTE? IT seems like basically if I want MOTO X I have to live without simultaneous voice/data or update to advance calling 1.0 and risk having important calls drop if I go from LTE to 3G. Say can anyone here recommend another phone that has good reception reviewers don't seem to measure that spec anymore. Thanks
Here is from Verizon's Advanced Calling 1.0 FAQ.
Will my call be handed off automatically when I move from the 3G network to the 4G LTE network and vice versa with Advanced Calling 1.0?
No, calls won’t switch between 3G and 4G LTE networks. If your call starts on the 3G network and you move to a 4G LTE coverage area, your call will continue as a 3G/CDMA call. However, if your call starts on the 4G LTE network and you move to a non-4G coverage area, your call will drop.
Click to expand...
Click to collapse
All the article is saying is phones will have a software update to make it work. It won't be included from the start. That is for all phones on their network currently. Plus, the FAQ that you read, I bet that's for all phones as well
Sent from my Nexus 4
0.0 said:
All the article is saying is phones will have a software update to make it work. It won't be included from the start. That is for all phones on their network currently. Plus, the FAQ that you read, I bet that's for all phones as well
Sent from my Nexus 4
Click to expand...
Click to collapse
I think you missed the point. It says that the 2014 X did its antenna(s) differently such that you NEED VoLTE to be able to have simultaneous voice and data. Plus VoLTE only works on LTE, so it seems to imply that you can't have simultaneous voice/data on 3g. Plus OP is concerned about dropped calls when losing 4G coverage
piccit said:
I think you missed the point. It says that the 2014 X did its antenna(s) differently such that you NEED VoLTE to be able to have simultaneous voice and data. Plus VoLTE only works on LTE, so it seems to imply that you can't have simultaneous voice/data on 3g. Plus OP is concerned about dropped calls when losing 4G coverage
Click to expand...
Click to collapse
I see... How strange, but I'm on T-Mobile so I don't think I'll have that problem
But the way Motorola did the antenna is just making it on the outside of the phone right? iPhone did that, so it should be ok?
edit: the article is a bit confusing imo. and here's quote from the article:
The new Moto X isn’t being singled out here, this change and requirement will be coming to future Verizon phones as well.
Click to expand...
Click to collapse
so in the future, you may be ok
Sent from my Nexus 4
I think it's unacceptable that in 2014 in order to "take advantage" of simultaneous voice and data you have to run the potential risk of dropped calls and/or potential call audio quality! And Verizon's suggestion to avoid dropped calls?? Turn off advance calling, but oh, don't forget to switch it back on to take advantage of video chatting!! That is a ridiculous "solution"!!!
I'm not a huge user of simultaneous voice and data, so simply turning off the advance calling feature is a possibility for me. But I think this is going to affect a lot of folks and ruin their user experience with the X! Hopefully folks are well informed about this prior to their purchase or they figure it out before their 14 day exchange period expires! But I can see the Verizon reps now telling people complaining about no simultaneous voice and data "Oh, an update will soon fix that" and "failing" to mention the potential woes that Advanced Calling 1.0 pose
YankInDaSouth said:
I think it's unacceptable that in 2014 in order to "take advantage" of simultaneous voice and data you have to run the potential risk of dropped calls and/or potential call audio quality! And Verizon's suggestion to avoid dropped calls?? Turn off advance calling, but oh, don't forget to switch it back on to take advantage of video chatting!! That is a ridiculous "solution"!!!
I'm not a huge user of simultaneous voice and data, so simply turning off the advance calling feature is a possibility for me. But I think this is going to affect a lot of folks and ruin their user experience with the X! Hopefully folks are well informed about this prior to their purchase or they figure it out before their 14 day exchange period expires! But I can see the Verizon reps now telling people complaining about no simultaneous voice and data "Oh, an update will soon fix that" and "failing" to mention the potential woes that Advanced Calling 1.0 pose
Click to expand...
Click to collapse
Once I realized there is no LTE to 3G handoff I am getting really worried. I bounce between LTE and 3G all the time on my moto x and note 3 around where I live.
On Verizon choose either voice+data, or no dropped calls. Maybe it's time to choose AT&T.
Well I just bought an OG Moto X off eBay just tide me over for a year. That way I can evaluate the reception & see what direction I want to go. If I get good reception and it holds a LTE signal it. I figure the new Moto-X will have the same if not better reception. If its good I'll buy the new one next year if not...I don't know what I'll do.
jasondhsd said:
Well I just bought an OG Moto X off eBay just tide me over for a year. That way I can evaluate the reception & see what direction I want to go. If I get good reception and it holds a LTE signal it. I figure the new Moto-X will have the same if not better reception. If its good I'll buy the new one next year if not...I don't know what I'll do.
Click to expand...
Click to collapse
This will be the new norm on Verizon ... So until they saturate the ENTIRE country in 4G (is this even possible?), I'd image calls dropping will be an issue for someone, somewhere. Yeah, eventually as Verizon continues to build their network those effected will be few and far between, but I'd imagine that it'll take a while. Knowing big red's arrogance, they'll be known concerned with those effected ...
Sent from my SM-N900V using Tapatalk
0.0 said:
edit: the article is a bit confusing imo. and here's quote from the article:
Quote:
The new Moto X isn’t being singled out here, this change and requirement will be coming to future Verizon phones as well.
Click to expand...
Click to collapse
Yeah, the article isn't really focused on what I assume the OP is upset about (which is that the new X won't support simultaneous data/voice in the same way other (older) phones do).
From the article:
Simultaneous voice and data has been available on most Android phones by coming equipped with two separate radios and maintaining separate connections to the 1x and EVDO or LTE networks. Verizon’s upcoming Moto X (2nd gen), set to launch on September 26th, will handle simultaneous voice and data quite differently from previous Android phones.
Click to expand...
Click to collapse
The key point here is that the 2014 X will not have separate LTE and 3g/CDMA radios.
It's not really a huge deal overall - the iPhones on vzw never had separate radios and every phone pre-4g obviously didn't either.
piccit said:
Yeah, the article isn't really focused on what I assume the OP is upset about (which is that the new X won't support simultaneous data/voice in the same way other (older) phones do).
From the article:
The key point here is that the 2014 X will not have separate LTE and 3g/CDMA radios.
It's not really a huge deal overall - the iPhones on vzw never had separate radios and every phone pre-4g obviously didn't either.
Click to expand...
Click to collapse
the wording is off in the article (unless my interpretation is really bad). how i interpreted the line "Verizon’s upcoming Moto X (2nd gen), set to launch on September 26th, will handle simultaneous voice and data quite differently from previous Android phones" meant that since that phone is "certified (in Verizon's eyes?)" to have VoLTE, of course it will be handled differently. and that goes for future phones as well
the reason i interpreted it like that is i continued reading the article, and it explains the whole software update to activate VoLTE and all that stuff
i really hope that this article is wrong
Mountains and mole hills...
0.0 said:
I see... How strange, but I'm on T-Mobile so I don't think I'll have that problem
Click to expand...
Click to collapse
The Pure/Tmobile does not have Voice over LTE. Go into a LTE are and make a call. Its drops to just 4G(HSPA+).
Maybe a software update will/can change that later, but right now there is no VoLTE on the Moto X.
knitler said:
The Pure/Tmobile does not have Voice over LTE. Go into a LTE are and make a call. Its drops to just 4G(HSPA+).
Maybe a software update will/can change that later, but right now there is no VoLTE on the Moto X.
Click to expand...
Click to collapse
I think T-Mobile has to setup VoLTE on the network side. It isn't available right now
sent from my Moto X (2014)
Honestly, VoLTE isn't that important right now, not many people still have that feature. All it is better call sound quality and connect faster.
No Simultaneous Voice and Data
Well, I just got my Moto X 2014 yesterday and discovered I can't be on the phone and use data at the same time. I called Verizon thinking maybe my SIM was having trouble or something...then, found this thread. I'm fairly irritated by this as this is a feature I use quite often. Wonder how long it'll be before they push the update allowing simultaneous voice and data? I suppose I'll switch back to my 1st Gen Moto X until then... too bad.
I am used to this coming from an iPhone on Verizon. However I noticed today that this is not a real issue for me, cause as long as I have Wifi I can still check data etc.
bootsie99 said:
I am used to this coming from an iPhone on Verizon. However I noticed today that this is not a real issue for me, cause as long as I have Wifi I can still check data etc.
Click to expand...
Click to collapse
To each their own. I use voice/data simultaneously constantly. As a GM for a large construction company, I have customers, employees, and subcontractors calling constantly needing information that I can only provide with an internet connection. If I'm traveling and using my phone's hotspot feature, but then get a call, I'm screwed. I have to hang up with the the caller, lookup the data/information, & then call them back and hope they don't ask me for some other piece of information. I'll be looking forward to this update.
Oh I could for sure see that being an issue. Hopefully the update comes soon
Ah, dang. I just read Moto only has one modem inside the Moto X. Damn Verizon for not updating the patch for simultaneous voice/data. Probably working out a new patch so we will have a harder time to root.

[Q] Tmobile US questions

Hi
I'm planning to get the Z3C soon and have a few questions that I'm hoping some users with the device using tmobile could help me out with.
1. Does the SMH (wifi tethering) work on the phone? My current phone doesn't support it for some reason, and they say it's because my phone is unlocked and not from tmobile. It has the option, but just never starts.
2. How is the LTE speed? Faster/slower than what you had before? Or about the same.
3. How is the reception on the phone? I read about how the phone is displaying less bars even though the signal strength is good so I'm not worried about that.
4. Does wifi-calling work? I assuming not cause it's not from Tmobile, but I thought I would ask anyways since no one addressed it yet.
That's all I could think of that isn't already answered in one of the other threads.
sillieidiot said:
Hi
I'm planning to get the Z3C soon and have a few questions that I'm hoping some users with the device using tmobile could help me out with.
1. Does the SMH (wifi tethering) work on the phone? My current phone doesn't support it for some reason, and they say it's because my phone is unlocked and not from tmobile. It has the option, but just never starts.
Click to expand...
Click to collapse
Yes
sillieidiot said:
2. How is the LTE speed? Faster/slower than what you had before? Or about the same.
Click to expand...
Click to collapse
I'm getting 30mb/s in Chicago.
sillieidiot said:
3. How is the reception on the phone? I read about how the phone is displaying less bars even though the signal strength is good so I'm not worried about that.
Click to expand...
Click to collapse
I am in a poor reception area and have had good connectivity.
sillieidiot said:
4. Does wifi-calling work? I assuming not cause it's not from Tmobile, but I thought I would ask anyways since no one addressed it yet.
Click to expand...
Click to collapse
Not AFAIK, if you find out how to get it to work please let me know!
sillieidiot said:
That's all I could think of that isn't already answered in one of the other threads.
Click to expand...
Click to collapse
sillieidiot said:
Hi
I'm planning to get the Z3C soon and have a few questions that I'm hoping some users with the device using tmobile could help me out with.
1. Does the SMH (wifi tethering) work on the phone? My current phone doesn't support it for some reason, and they say it's because my phone is unlocked and not from tmobile. It has the option, but just never starts.
Click to expand...
Click to collapse
It works.
sillieidiot said:
2. How is the LTE speed? Faster/slower than what you had before? Or about the same.
Click to expand...
Click to collapse
Getting pretty decent sppeds. The icon shows as 4G, but it is LTE speeds.
sillieidiot said:
3. How is the reception on the phone? I read about how the phone is displaying less bars even though the signal strength is good so I'm not worried about that.
Click to expand...
Click to collapse
Reception is pretty darn good.
sillieidiot said:
4. Does wifi-calling work? I assuming not cause it's not from Tmobile, but I thought I would ask anyways since no one addressed it yet.
That's all I could think of that isn't already answered in one of the other threads.
Click to expand...
Click to collapse
No, WiFi calling will not work on any non T-Mobile branded phones. The WiFi Calling aspect is baked into t-mobiles ROMs. Non one has been able to get this to work, on any phone that is not T-Mobile branded, AFAIK. However, Hangouts and SIP calling works quite well.
Since the Z3 (non-compact) appears to be headed to TMO, will that ROM be able to be loaded onto the Z3 Compact to enable Wi-Fi calling? (I am assuming that the Z3 will be able to use Wi-Fi calling, since I think all smart phones sold by TMO now support it)
Still keeping my fingers crossed that the C is available from TMO also!
chadmd23 said:
Since the Z3 (non-compact) appears to be headed to TMO, will that ROM be able to be loaded onto the Z3 Compact to enable Wi-Fi calling? (I am assuming that the Z3 will be able to use Wi-Fi calling, since I think all smart phones sold by TMO now support it)
Still keeping my fingers crossed that the C is available from TMO also!
Click to expand...
Click to collapse
Possible ... but, I have no idea. It seems plausible ... but there are differences between the Z3 and Z3C that may not make it possible. Keep your fingers crossed, as I would like that as well.
thanks guys for the prompt replies :good:
NRG1975 said:
It works.
Getting pretty decent sppeds. The icon shows as 4G, but it is LTE speeds.
Reception is pretty darn good.
No, WiFi calling will not work on any non T-Mobile branded phones. The WiFi Calling aspect is baked into t-mobiles ROMs. Non one has been able to get this to work, on any phone that is not T-Mobile branded, AFAIK. However, Hangouts and SIP calling works quite well.
Click to expand...
Click to collapse
I have one here in MA but I'm getting low signal strength. What are you guys getting for dbm/asu?

Why Did Sony Stop Including VoLTE & HD Voice In Their Xperia Line??!

Previous models like the Z2 and Z3 Xperia phones had both VoLTE & HD Voice included, even in the international versions. But since the Z5 and even with the upcoming X series phones, these features were removed. Does ANYONE know why Sony did this?? I have a couple ideas, but I'd like to know if anyone knows anything more concrete. Any information would be great!!
Thanks!
Well, some country (mostly Asia/Europe) has VoLTE option on Z5.
On my Japanese docomo's X Performance also has VoLTE option, so maybe some country/customization will have VoLTE option.
AndroPlus said:
Well, some country (mostly Asia/Europe) has VoLTE option on Z5.
On my Japanese docomo's X Performance also has VoLTE option, so maybe some country/customization will have VoLTE option.
Click to expand...
Click to collapse
Andro,
Very interesting! Let me ask you.....I've pre-ordered the INTERNATIONAL version of the X Performance. Is that the version that you have too? Or did you get your X Performance from a Japanese carrier?? Please let me know. Thanks!
RockStar2005 said:
Andro,
Very interesting! Let me ask you.....I've pre-ordered the INTERNATIONAL version of the X Performance. Is that the version that you have too? Or did you get your X Performance from a Japanese carrier?? Please let me know. Thanks!
Click to expand...
Click to collapse
I was selected to test Japanese carrier's X Performance before launching in Japan
I will get international Dual (F8132), though.
AndroPlus said:
I was selected to test Japanese carrier's X Performance before launching in Japan
I will get international Dual (F8132), though.
Click to expand...
Click to collapse
Oh. So it's from a Japanese carrier......I was hoping you were gonna tell me it was the international version. Oh well. lol
VoLte also use by an application, in india only Jio Innfocom is ony VoLte provider and for non VoLte Phones they are using JioConnect App For Hd Calling So Don't Worry About VoLTe.
Pramodkumawat said:
VoLte also use by an application, in india only Jio Innfocom is ony VoLte provider and for non VoLte Phones they are using JioConnect App For Hd Calling So Don't Worry About VoLTe.
Click to expand...
Click to collapse
Well here in America I found out from T-Mobile's Tech Support Department that I'll still be able to make calls in a 4G LTE-only area even without VoLTE, which is fine. But the problem is Band 12/700 MHz. This is very valuable low-bandwidth spectrum which T-Mobile JUST purchased in my area (Chicago) a week ago. So within the next 6-8 mos this will become available for all customers like myself. Band 12 is very good at penetrating through buildings, unlike the higher spectrums, so that's why people would want it. But I found out that if I buy the X Performance, b/c it doesn't have VoLTE on it, I can ONLY use Band 12 for data while on a call, not for the call itself. Which means I WON'T be able to take advantage of having Band 12, even though the XP has it. They said your phone can only use Band 12 for phone calls if you have VoLTE. The other bandwidths don't require VoLTE but Band 12 does. So I'm NOT happy about this.
I could get an HTC 10 through T-Mobile today, and it would have VoLTE, but the camera on the 10 isn't as good as the XP's, and the XP looks cooler too, plus has front-facing STEREO speakers. So I dunno. I'm really p'd off Pramo because I feel like I have to sacrifice something I really like just to have the XP.
RockStar2005 said:
Previous models like the Z2 and Z3 Xperia phones had both VoLTE & HD Voice included, even in the international versions. But since the Z5 and even with the upcoming X series phones, these features were removed. Does ANYONE know why Sony did this?? I have a couple ideas, but I'd like to know if anyone knows anything more concrete. Any information would be great!!
Thanks!
Click to expand...
Click to collapse
Can't verify it myself as I don't have a Z5 series phone, but according to a list on Wikipedia the Z5 series does have HD Voice: https://en.wikipedia.org/wiki/List_of_smartphones_with_HD_Voice_support#Sony
So, what makes you believe the Z5 or the new X series would not support HD Voice?
Also, the Z5 series reportedly supports VoLTE, depending on carrier of course:
http://www.areamobile.de/news/32061-voice-over-lte-diese-smartphones-unterstuetzen-lte-telefonate
sxtester said:
Can't verify it myself as I don't have a Z5 series phone, but according to a list on Wikipedia the Z5 series does have HD Voice: https://en.wikipedia.org/wiki/List_of_smartphones_with_HD_Voice_support#Sony
So, what makes you believe the Z5 or the new X series would not support HD Voice?
Also, the Z5 series reportedly supports VoLTE, depending on carrier of course:
http://www.areamobile.de/news/32061-voice-over-lte-diese-smartphones-unterstuetzen-lte-telefonate
Click to expand...
Click to collapse
sxtester,
Thank you SO MUCH for sharing these links. It seems that perhaps Sony DID put VoLTE on these phones. But I am in the process of reaching someone at Sony internally (via T-Mobile's "contact" person who works at Sony Mobile) to verify all this. But this is very promising news, and MUCH appreciated!! The MAIN thing is to find out whether or not the Xperia X Performance will have VoLTE or not, and if they have already certified VoLTE with T-Mobile or not? See this link in order to follow up over the next week or two.
Thanks!!
Sony has included VoLTE on the XP, I think the intl, version is the same as the Hong Kong Version, I have personal seen this feature on the retail version of the XP, just a few more days before I get mine.
The ones that had it were carrier specific Z5s there is no universal volte unless sony certified with the carriers for the model
Sent from my D6708 using Tapatalk
kms108 said:
Sony has included VoLTE on the XP, I think the intl, version is the same as the Hong Kong Version, I have personal seen this feature on the retail version of the XP, just a few more days before I get mine.
Click to expand...
Click to collapse
hey kms,
That's the thing........ we're not 100% sure the HK version is the same as the int'l version. It might be, but I'd rather know for sure. I will find out soon enough (see last few posts) whether or not the XP will have VoLTE on it or not, etc.
A few days? Nice!! Lucky! lol I probably still got another month before I get it. lol
AndroPlus said:
I was selected to test Japanese carrier's X Performance before launching in Japan
I will get international Dual (F8132), though.
Click to expand...
Click to collapse
Hello,
I know this is out of topic. But could you please let me know if the X Performance uses in-cell touch display? This can be done by checking the screen if it has "patterns" on the screen like the Z3.
nehway0912 said:
Hello,
I know this is out of topic. But could you please let me know if the X Performance uses in-cell touch display? This can be done by checking the screen if it has "patterns" on the screen like the Z3.
Click to expand...
Click to collapse
Yes, X Performance uses in-cell touch display.
I can't see patterns and Sony's developer explained they used in-cell to make unified design.
I can also confirm it uses in-cell because there is touch driver for in-cell in kernel source.
HD voice uses 3g signals (H, H+, 3g)
VoLTE uses (obviously) true 4g signals (4g, LTE)
It is up to networks to provide access to the services as they are done on a network level, not handset level
Sent from my F5121 using Tapatalk
corallus said:
HD voice uses 3g signals (H, H+, 3g)
VoLTE uses (obviously) true 4g signals (4g, LTE)
It is up to networks to provide access to the services as they are done on a network level, not handset level
Sent from my F5121 using Tapatalk
Click to expand...
Click to collapse
Hey corallus,
How u been?
So is there a way to make my int'l XP I just bought get 4G on a call instead of what it HAS been doing which is switching back and forth from 3G and H+/3.5G?
Not bad dude,
It's one of those things where you gonna have to speak to T-mobile.
It MAY depend on the phone having their firmware on, it normally does.. But, guessing not released on their network yet..
Give them a call and see what plans they have for providing the service on their network.
Sent from my F5121 using Tapatalk
corallus said:
Not bad dude,
It's one of those things where you gonna have to speak to T-mobile.
It MAY depend on the phone having their firmware on, it normally does.. But, guessing not released on their network yet..
Give them a call and see what plans they have for providing the service on their network.
Sent from my F5121 using Tapatalk
Click to expand...
Click to collapse
corallus,
Yeah I was gonna give them a call prob tomorrow about it. My Contacts app is being weird too, and Wi-Fi is acting a lil funny too on my phone. So I decided to just use Xperia Companion to wipe the phone clean and reinstall the software. I'm HOPING that does the trick. I guess I'll find out shortly.
I know they'll prob say they can't do anything about it, but can't hurt to call them. Since I bought the phone unlocked (like I had a choice Sony?! lol) that's not gonna help much, plus it's the int'l version of the XP too. So I dunno. We'll see what they say.
AndroPlus said:
I was selected to test Japanese carrier's X Performance before launching in Japan
I will get international Dual (F8132), though.
Click to expand...
Click to collapse
Hi, I have got a X performance today, do you want to make a custome kernel for XP?
I can comfirm that VoLTE is on my unit.
without a VoLTE Usim, the icon does not show, but once a supported Usim is inserted, the VoLTE will show up, and operative.

US X Performance & VoLTE on T-Mobile (or AT&T)???

PLEASE only respond if you live in the US and use T-Mobile (preferred) or AT&T AND have purchased the US version of the XP.................
Not sure if the US Xperia X Performance has been made available yet, but if so, can anyone tell me if it can get VoLTE on either T-Mobile or AT&T? Just wonder if radio/signal-wise it's any different than the int'l XP I have now.
Thanks!
what is the model of the intl version? we can lookup the whitepaper on them and compare the radios
acme64 said:
what is the model of the intl version? we can lookup the whitepaper on them and compare the radios
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Same model #s: F8132 for dual SIM (mine), F8131 for single-SIM.
they're the exact same radio according to Sony. so hardware wise if intl can do it so can us version. but do the carriers allow it is a whole other issue.
acme64 said:
they're the exact same radio according to Sony. so hardware wise if intl can do it so can us version. but do the carriers allow it is a whole other issue.
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Ok thanks for checking acme! Well the XP has all the same bands as T-Mobile, so they should! Though I found out that XPs used in other countries like Hong Kong DO get VoLTE (I've seen screenshots too), but in the US, both AT&T and T-Mobile SIM cards don't enable that. Weird! I'd still like someone WITH a US XP to confirm that they do or don't have VoLTE though on AT&T and/or T-Mobile.
Yeah like today I was in downtown Chicago with family, and like my parents have the Sony Xperia Z1s (locked phone from T-Mobile). We were down by Navy Pier (by Lake Michigan), and my dad's Z1s (released Jan 2014) was getting better reception than my brand new int'l XP (unlocked not through T-Mobile but from Sony b/c Sony are idiots who don't release phones through carriers anymore and I hate them for it lol).
Now, I thought this was maybe b/c their phones were from T-Mobile so they'd been "configured" to their network, but then my sister's b/f was saying that some of the older model phones have better radio reception than the newer ones b/c the newer ones have more crap CRAMMED into them, which can impede radio reception, despite the XP having a polycarbonate (aka plastic lol) frame which is supposed give you better reception than metal would.
You think that's it? Or do you think it has something to do with the XP not being "configured" by T-Mobile??
Thanks.
RockStar2005 said:
Ok thanks for checking acme! Well the XP has all the same bands as T-Mobile, so they should! Though I found out that XPs used in other countries like Hong Kong DO get VoLTE (I've seen screenshots too), but in the US, both AT&T and T-Mobile SIM cards don't enable that. Weird! I'd still like someone WITH a US XP to confirm that they do or don't have VoLTE though on AT&T and/or T-Mobile.
Yeah like today I was in downtown Chicago with family, and like my parents have the Sony Xperia Z1s (locked phone from T-Mobile). We were down by Navy Pier (by Lake Michigan), and my dad's Z1s (released Jan 2014) was getting better reception than my brand new int'l XP (unlocked not through T-Mobile but from Sony b/c Sony are idiots who don't release phones through carriers anymore and I hate them for it lol).
Now, I thought this was maybe b/c their phones were from T-Mobile so they'd been "configured" to their network, but then my sister's b/f was saying that some of the older model phones have better radio reception than the newer ones b/c the newer ones have more crap CRAMMED into them, which can impede radio reception, despite the XP having a polycarbonate (aka plastic lol) frame which is supposed give you better reception than metal would.
You think that's it? Or do you think it has something to do with the XP not being "configured" by T-Mobile??
Thanks.
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i'd bet money it has something to do with a configuration. If Sony already designed a phone where all the radios work why would they break it in later iterations, doesn't make sense. it's also illegal to say the phone can do this and that when it actually can't.
acme64 said:
i'd bet money it has something to do with a configuration. If Sony already designed a phone where all the radios work why would they break it in later iterations, doesn't make sense. it's also illegal to say the phone can do this and that when it actually can't.
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Ok then how do I reconfigure it? lol If it was that the radio was just better/stronger on the Z1s that's one thing, but if it was that my XP somehow wasn't configured "well enough" to T-Mobile's network, despite having all the same bands, then how do I fix that? lol
It could be that the phones are designed a certain way but then the carriers (when they get them to sell) do some extra configuring or tweaking too?
I remember being again in another part of downtown 2 years ago and 2 friends of mine who both had Sprint and the same phone (Galaxy S3) had differing reception. One had all 5 bars lit up, while the other who was only sitting 5 feet away, had like no reception. WTF? lol That's what happened yest except 2 different phones though both are Sony, oh and mine of course is unlocked int'l version.
RockStar2005 said:
Ok then how do I reconfigure it? lol If it was that the radio was just better/stronger on the Z1s that's one thing, but if it was that my XP somehow wasn't configured "well enough" to T-Mobile's network, despite having all the same bands, then how do I fix that? lol
It could be that the phones are designed a certain way but then the carriers (when they get them to sell) do some extra configuring or tweaking too?
I remember being again in another part of downtown 2 years ago and 2 friends of mine who both had Sprint and the same phone (Galaxy S3) had differing reception. One had all 5 bars lit up, while the other who was only sitting 5 feet away, had like no reception. WTF? lol That's what happened yest except 2 different phones though both are Sony, oh and mine of course is unlocked int'l version.
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you probably can't do anything. it'd be on the carrier end.
acme64 said:
you probably can't do anything. it'd be on the carrier end.
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Click to collapse
F'ers!! lol
Thanks anyway acme.
RockStar2005 said:
F'ers!! lol
Thanks anyway acme.
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Just clarify, volte is locked only to tmobile phones unless the company goes get the phone certified (zte axon 7 went this route and HTC 10)
SovPanda said:
Just clarify, volte is locked only to tmobile phones unless the company goes get the phone certified (zte axon 7 went this route and HTC 10)
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Sov,
Yeah I know. All I REALLY care about is that I can get Band 12 for data from T-Mobile on my int'l Sony Xperia X Performance phone. I think I can, b/c that has NOTHING to do with VoLTE, which only is used DURING phone calls. I don't care about having Band 12 during phone calls, but I DO care about having it when not on a call.
RockStar2005 said:
Sov,
Yeah I know. All I REALLY care about is that I can get Band 12 for data from T-Mobile on my int'l Sony Xperia X Performance phone. I think I can, b/c that has NOTHING to do with VoLTE, which only is used DURING phone calls. I don't care about having Band 12 during phone calls, but I DO care about having it when not on a call.
Click to expand...
Click to collapse
Band 12 works but you gotta find it like a unicorn
SovPanda said:
Band 12 works but you gotta find it like a unicorn
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Click to collapse
Haha..........so you have the int'l Sony Xperia X Perf on T-Mobile AND live in the U.S.??? Or know someone that does?
Well I live in Chicago which right now doesn't have Band 12 from T-Mobile. HOWEVER, a few mos ago T-Mobile bought a ton of Band 12 from an AT&T subsidiary, and so now it's only a matter of time before my entire area gets it (pending FCC approval). They say it could be as early as later this year or latest is prob next June. I'll know when it's available b/c T-Mobile will announce but I can also check their spectrum map too. When the area covered by the green circle around Chicago becomes "magenta" and has a bunch of circled 12s put into it, then that'll mean it's live. Can't wait!!
RockStar2005 said:
Haha..........so you have the int'l Sony Xperia X Perf on T-Mobile AND live in the U.S.??? Or know someone that does?
Well I live in Chicago which right now doesn't have Band 12 from T-Mobile. HOWEVER, a few mos ago T-Mobile bought a ton of Band 12 from an AT&T subsidiary, and so now it's only a matter of time before my entire area gets it (pending FCC approval). They say it could be as early as later this year or latest is prob next June. I'll know when it's available b/c T-Mobile will announce but I can also check their spectrum map too. When the area covered by the green circle around Chicago becomes "magenta" and has a bunch of circled 12s put into it, then that'll mean it's live. Can't wait!!
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Click to collapse
Xperia z5 international in Chicago as well :0 but the areas that does have band 12 does support the Xperia phones
SovPanda said:
Xperia z5 international in Chicago as well :0 but the areas that does have band 12 does support the Xperia phones
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Oh wow! That's great!!!!!!!!!!!!!!! Do you have T-Mobile too though????!
I just wanna be able to get reception (data) in certain areas in downtown like at the Ogilvie Metra Station basement, Untitled club on Kinzie, etc. I'm hoping that Band 12/700 MHz will make that happen. But also for when I'm indoors in certain places in the suburbs.
Thanks for sharing this great info!! I figured it would but wasn't sure. I think the ppl who said no were thinking of VoLTE, or aka having 4G LTE data and/or voice DURING calls.
SovPanda said:
Xperia z5 international in Chicago as well :0 but the areas that does have band 12 does support the Xperia phones
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Click to collapse
So do you have T-Mobile too?
RockStar2005 said:
So do you have T-Mobile too?
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Yes sir, going to complain though to Sony, if a brand like zte can get certified to use t-mobile's volte than they should be able to >:/
SovPanda said:
Yes sir, going to complain though to Sony, if a brand like zte can get certified to use t-mobile's volte than they should be able to >:/
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Click to collapse
Awesome! Good to know!!
Haha...........I already tried doing that. I even had someone at T-Mobile's "Network team" contact their "contact" over at Sony Mobile about that issue. Last I heard, they never heard back from the Sony guy. lol But go ahead.........can't hurt!
I couldn't agree more. It's ****ing BS. It's the least they could do after not giving the US Z5 and X Perf a working fingerprint sensor. lol

Do NOT buy in the US - does NOT work with modern T-Mobile or AT&T networks

Do NOT buy this phone in the US unless Sony gets its phones approved to work with T-Mobile & AT&T
Sadly Sony is the only phone maker that offers a NORMAL sized phone with the Compact series.
Please show me ANY other options for an Android phone with a 4.6"-4.8" screen with a good camera. THERE ARE NONE! The battery life is also beyond incredible. I easily get 1+ (up to 2) days battery life with heavy usage. Standby time (screen off) is easily 7 days (no greenify or any of that crap needed).
I have a Sony Xperia X Compact and it is the BEST ANDROID PHONE I have ever had.
Despite that I have to say that NOBODY SHOULD BUY ANY SONY PHONES.
The phone is awesome and supports pretty much any 3G and 4G band out there but Sony refuses to get these phones approved by AT&T and T-Mobile for VoLTE.
That means (for T-Mobile as an example) that the Xperia X Compact technically supports T-Mobile's super-duper Band 12 LTE which has almost better coverage than Verizon, BUT because the phone is not approved for VoLTE, Sony phones will almost immediately get disconnected from that T-Mobile tower. You may be standing next to someone with an approved phone that has 100% coverage, yet the Sony Xperia phones will show NO RECEPTION.
Sony phones should be able to at least connect to Band 12 for data but they don't. It may technically have the ability to connect to Band 12 and even use VoLTE, but the tower refusal to keep the connection. Sony then apparently also screwed up the band prioritization, because Sony phones even have issues connecting to non VoLTE networks (eg Band 4).
As a result, ALL SONY PHONES ARE PRETTY MUCH UNUSABLE on T-Mobile and AT&T AS A PHONE.
Do NOT buy any Sony phones if you want to use them on T-Mobile and AT&T, though I can tell you that they are the BEST phones otherwise - just not as a phone.
This is pathetic and there is no response from Sony.
But the press releases say these 2 phones will work with t-mobile VOLTE and WiFi Calling.
lobo4806 said:
But the press releases say these 2 phones will work with t-mobile VOLTE and WiFi Calling.
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Yea it will.
https://www.androidheadlines.com/20...z1-compact-support-t-mobile-wifi-calling.html
Lol yes first compact phone they certified I think. If someone figures out how to retain the volte functions and gain fingerprint sensor, I'm in.
I've had several Sony phones (Z1C, Z3, Z5C, all international single-SIM versions) and since at least the Z3, they all supported LTE on AT&T. I'm not sure anything changed since the Z5 era, so I'm hoping the XZ1C works fine on AT&T.
Can someone confirm this phone will work on at&t in the us? God I want it to do bad.
texaslegend said:
Can someone confirm this phone will work on at&t in the us? God I want it to do bad.
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Unproven rumors that it will be voLTE certified. NO CONFIRMATION FROM SONY OR T-MOBILE.
Even so, you won't be able to use the fingerprint sensor, since the international ROM won't support it.
Do NOT buy!!!!
Cool story but I'll be buying. Can't wait!
Btw, it also not confirmed that it WON'T work. Don't you think it would be a good idea to wait and see.
Sent from my HTC U11 using Tapatalk
It seems you have some sort of personal agenda against Sony and/or this particular phone. An idealistic preference for what network(s) should be supported.
I don't know that I care if VoLTE is possible. I want to know if I can make/receive calls, text, access data for app and internet use.
The fingerprint scanner is irrelevant for me, it's there or not.
So simply said, will this work on US networks although some features may not be compatible.
Sent from my SM-G930V using XDA Free mobile app
Should be fine like every other Sony Compact I've had. Best Buy and Amazon will be selling it here shortly so one would logically assume they would be US carrier compatible in terms of calling/ data. I could give a crap about VoLTE.
From what I understand T-Mobile was sued a few years ago when someone couldn't make a 911 call in an area where there was only Band 12 LTE (since Band 12 goes through walls better than the 1900 MHz 2G and 1700 MHz 3G that T-Mo uses, apparently legally you are better off with no cell service than with only data service), because of that lawsuit T-Mobile asked phone makers to disable Band 12 on US devices that do not have VoLTE. (I can't post a source because I'm a new member but you can google this). It looks like the Band 12 blocking is done at the phone firmware level, not from T-Mobiles end, so there is a decent chance that the European firmware will not have Band 12 disabled. Though it will most likely also not support VoLTE on T-Mobile. You should still get good LTE data, you just might have to drop back to 3G or 2G for calls.
That said, this would need to be tested. It would be a shame if you had to choose between band 12 coverage without the fingerprint sensor, or a fingerprint sensor with band 12 coverage.
Either way I'm pretty psyched for this phone. I wish there was more competition in this space, but since Sony is the only game in town when it comes to non-phablet smartphones we really don't have much of a choice do we?
Phones re in and ... I am sadly correct.
Maybe if people spent more time to complain to T-Mobile, Sony, the FCC, the FTC and their Senator/congressman we would not have this issue.
Cell phone networks were supposed to let unlocked phones on ... VoLTE violates that.
Currently using my phone on tmobile just fine.
Getting LTE for data and no voice disconnects.
Could care less about volte; most people don't use their phones to talk anymore, myself included. Normal voice works fine for my needs. ¯\_(ツ)_/¯
christogold said:
That said, this would need to be tested. It would be a shame if you had to choose between band 12 coverage without the fingerprint sensor, or a fingerprint sensor with band 12 coverage.
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Sadly, some of us do.
theplasmastorm said:
Currently using my phone on tmobile just fine.
Getting LTE for data and no voice disconnects.
Could care less about volte; most people don't use their phones to talk anymore, myself included. Normal voice works fine for my needs. ¯\_(ツ)_/¯
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Dont assume too much. Since band 12 is much better than bands 2 and 4 in many ways, t-mobile is often not only adding band 12 but using it to replace bands 2 and 4 (kinda makes sense, why would you upkeep obsolete bands). I have had T-Mobile for about a year with an older unlocked phone and they recently switched to a lot of band 12 all over my area/region and now I have lots of total deadzones (including my house). I need to be able to make/receive phone calls, as I'm sure many do. But, for your point, I do still have data, sometimes, it seems to be much weaker a lot of the time compared to what it used to though, but maybe that's just me. I recall coming across a list of cities/places where t-mobile plans to switch things to band 12 and the timeline.
Edit: I am not sure this was the exact article I originally viewed, but here's a link < http://www.prepaidphonenews.com/2017/07/tmo-lte-spectrum-update.html?m=1 >.
theplasmastorm said:
Currently using my phone on tmobile just fine.
Getting LTE for data and no voice disconnects.
Could care less about volte; most people don't use their phones to talk anymore, myself included. Normal voice works fine for my needs. ¯\_(ツ)_/¯
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Click to collapse
So to clarify, if it doesn’t have VoLTE, it just drops to LTE?
So if I flash UK firmware to get the fingerprint scanner (with AT&T) I just get LTE?
I don’t see why this is such a huge issue then, at least for me where I live I’ve never seen anyone with anything more than LTE anyway, it’ll be just business as usual. I also don’t make many phone calls so this doesn’t seem like anything that will hurt me with this phone one bit.
kobold98 said:
So to clarify, if it doesn’t have VoLTE, it just drops to LTE?
So if I flash UK firmware to get the fingerprint scanner (with AT&T) I just get LTE?
I don’t see why this is such a huge issue then, at least for me where I live I’ve never seen anyone with anything more than LTE anyway, it’ll be just business as usual. I also don’t make many phone calls so this doesn’t seem like anything that will hurt me with this phone one bit.
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To clarify,
On AT&T, with US firmware, you can:
1] You get LTE data.
2] You can make calls over GSM or UMTS, but not over LTE. This will also drop your data rate to 3G if you are using voice and data simultaneously.
3] You get no fingerprint reader.
On AT&T, with European firmware, you can:
1] You get LTE data.
2] You can make calls over GSM or UMTS, but not over LTE. This will also drop your data rate to 3G if you are using voice and data simultaneously.
3] You get a working fingerprint reader.
The VoLTE certification and modem configurations are only for T-Mobile on US firmware and other operators on specific, non-US firmware variants.
pbarrette said:
To clarify,
On AT&T, with US firmware, you can:
1] You get LTE data.
2] You can make calls over GSM or UMTS, but not over LTE. This will also drop your data rate to 3G if you are using voice and data simultaneously.
3] You get no fingerprint reader.
On AT&T, with European firmware, you can:
1] You get LTE data.
2] You can make calls over GSM or UMTS, but not over LTE. This will also drop your data rate to 3G if you are using voice and data simultaneously.
3] You get a working fingerprint reader.
The VoLTE certification and modem configurations are only for T-Mobile on US firmware and other operators on specific, non-US firmware variants.
Click to expand...
Click to collapse
Thank you so much, it’s been hard to find a totally clear picture of this. As someone who doesn’t make a lot of phone calls (but does rely on LTE data) and never uses data during phone calls it sounds like I’ll be good to go with European firmware.
Thank you, that is a good summary for a fellow AT&T user. But one thing I am curious about. Does AT&T have VoLTE at all? Or is tmo the only one with that ability? Basically, if I bought a totally different phone specifically for AT&T would I get VoLTE?
Frontier3 said:
Thank you, that is a good summary for a fellow AT&T user. But one thing I am curious about. Does AT&T have VoLTE at all? Or is tmo the only one with that ability? Basically, if I bought a totally different phone specifically for AT&T would I get VoLTE?
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Click to collapse
AT&T only offers VoLTE (they brand it: HD Voice) via their own branded handsets (ones bought through them) or any iPhone 6 or newer (as i recall).
andTab said:
Phones re in and ... I am sadly correct.
Maybe if people spent more time to complain to T-Mobile, Sony, the FCC, the FTC and their Senator/congressman we would not have this issue.
Cell phone networks were supposed to let unlocked phones on ... VoLTE violates that.
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