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Hi Guys, I'm wondering if someone more knowledgeable can help advise. I've spent 12 hours and cant activate my Unlocked Qualcomm Note8 on any of my service providers (SMN-950U1.)
I want to use it on Boom Mobile Red (Verizon MVNO)
I cant get the Network Operator to configure, when I select Verizon it fails on configuration. I'm not referring to APN because I do not even get calls, the Operator is listed as "Emergency Calls Only". The Sim works perfect on my Pixel XL and iPhone 7 Plus. This phone was purchased unlocked form Samsung direct with clean IMEI. I called Samsung and they have no idea, they said the phone is defective, which I believe it is not.
I had an issue activating with Sprint and still have not had Data working, though I was able to get calls. I've given up w/ Sprint and will upgrade that line with a iPhone X.
I inserted my friends Verizon Post Paid Sim from his Moto Mod phone and everything was perfect (calls, TM, LTE calling) and the phone got LTE+. Is it possible the Note8 unlocked will only work with the big 4 carriers, ST and TW? I read a similar issue people from Boost Mobile have when they insert their sims it says invalid Sim. I really have no idea what is going on - Boom doesn't have many customers and their support team has never delt with this issue, they said the phone is defective. Has anyone been able to use a Unlocked Note8 on Boom? I've tried flashing various variants of firmware, including Verizon with no success. I'm puzzled with what is going on.
Anybody tested? Like mate 8.
blackhead2048 said:
Anybody tested? Like mate 8.
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No dualsim standby only
easycure1974 said:
No dualsim standby only
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What does this mean?
daz_2000 said:
What does this mean?
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Second sim is not available, when you are using the first one (when answering/making a call).
...and if I am surfing on socials like Facebook in SIM #1 does it work receiving call on SIM #2 or is it stopped?
EDIT: solved
Similar to the Huawei Mate 10 series, the P20 and P20 Pro can support dual-SIMs with dual 4G and dual VoLTE running at the same time. This provides the best dual-SIM experience as both lines are connected to the best network possible. It also supports download speeds of up to 1.2Gbps with 4X4 MIMO over a 4.5G LTE network.
Nezzox said:
Similar to the Huawei Mate 10 series, the P20 and P20 Pro can support dual-SIMs with dual 4G and dual VoLTE running at the same time. This provides the best dual-SIM experience as both lines are connected to the best network possible. It also supports download speeds of up to 1.2Gbps with 4X4 MIMO over a 4.5G LTE network.
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This all depends on whether you have the dual sim version of the P20 Pro. Most UK versions are single SIM only. Allegedly, these can be converted to dual sim using a guide available on this forum or using the funky huawei paid service. I am still looking for full verification that this workaround is fully functional or not. Goes without saying that, you will also need to buy a dual sim tray for these UK versions of the P20 Pro.
subhani said:
This all depends on whether you have the dual sim version of the P20 Pro. Most UK versions are single SIM only. Allegedly, these can be converted to dual sim using a guide available on this forum or using the funky huawei paid service. I am still looking for full verification that this workaround is fully functional or not. Goes without saying that, you will also need to buy a dual sim tray for these UK versions of the P20 Pro.
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Oh, I'm in Sweden, and my dual SIM works like a charm. Have my work sim and private sim running simultaneously without any issues at all. I opted in the settings to run the surf on sim 2 since I have more data on that one even.
I do wish I could set one number at "do not disturb" at a time. Or change the ringer to vibrate or silent for just one of the phone number.
Nezzox said:
Similar to the Huawei Mate 10 series, the P20 and P20 Pro can support dual-SIMs with dual 4G and dual VoLTE running at the same time. This provides the best dual-SIM experience as both lines are connected to the best network possible. It also supports download speeds of up to 1.2Gbps with 4X4 MIMO over a 4.5G LTE network.
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Still only dual sim standby and not dual sim active so it could be better
subhani said:
This all depends on whether you have the dual sim version of the P20 Pro. Most UK versions are single SIM only. Allegedly, these can be converted to dual sim using a guide available on this forum or using the funky huawei paid service. I am still looking for full verification that this workaround is fully functional or not. Goes without saying that, you will also need to buy a dual sim tray for these UK versions of the P20 Pro.
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@OP
What this guy said is 100%
The only way to obtain dual SIM from a single SIM variant is to essentially lose bootloader unlocking ability by using the funky Huawei method.
It's up to you to decide which you think is more important.
easycure1974 said:
Still only dual sim standby and not dual sim active so it could be better
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Well, don't know what to tell you. I have dual active.
Nezzox said:
Well, don't know what to tell you. I have dual active.
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What's the difference between active and standby? Plus, did you rebrand your phone after network unlocking it? Did it affect the network unlock at all?
subhani said:
What's the difference between active and standby? Plus, did you rebrand your phone after network unlocking it? Did it affect the network unlock at all?
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Uhm, well. Mostly here in Sweden the phones are unlocked and unbranded. So, I just smacked my work sim and private sim in the phone and activated the "dual active 4G" option.
subhani said:
What's the difference between active and standby? Plus, did you rebrand your phone after network unlocking it? Did it affect the network unlock at all?
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Well the text is in Swedish. But the options says, "internet access during phonecall" and "dual SIM 4g".
Nezzox said:
Well the text is in Swedish. But the options says, "internet access during phonecall" and "dual SIM 4g".
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I understand now. Thanks.
Nezzox said:
Well, don't know what to tell you. I have dual active.
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You dont. Try to make a call from sim2 when sim1 is engaged in a call. Or be on a call on sim1 and and get a notice when someone calls you on sim2 and change to that call. You cant do that and that is the difference of dualsim standby and active. The last Huawei device to have dualsim active was the Honor 8. After that they have stopped supporting it, cheaper with standby than active
easycure1974 said:
You dont. Try to make a call from sim2 when sim1 is engaged in a call. Or be on a call on sim1 and and get a notice when someone calls you on sim2 and change to thst call. You cant do that and that is the difference of dualsim standby and active
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Yeah that works. If I'm in a call I can add a call using the second line without the first call dropping out. The first call can't hear me tho, unless I switch back. But, both are connected, just the the speaker and mic can only be connected to one at a time. I figure that's a software limitation tho.
Nezzox said:
Yeah that works. If I'm in a call I can add a call using the second line without the first call dropping out. The first call can't hear me tho, unless I switch back. But, both are connected, just the the speaker and mic can only be connected to one at a time. I figure that's a software limitation tho.
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Strange that your phone can make it but not mine. And since the phone just supports dualsim standby and not active it should not work. Thats why there are an option to forward calls to the other sim when the the first one is engaged in a call as it is not possible to have both sims active at the same time as the phone just got one radio part.
easycure1974 said:
Strange that your phone can make it but not mine. And since the phone just supports dualsim standby and not active it should not work. Thats why there are an option to forward calls to the other sim when the the first one is engaged in a call as it is not possible to have both sims active at the same time as the phone just got one radio part.
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I actually just tried after the last comment to make sure. And it works. It might be because both of the cards are on the network provider "3" and they do the calls over 3g and 4g since they don't have 2g access. And as my earlier screenshot shows, you can have both of the 4g's active at the same time.
But if you're right about that "one radio part" shouldn't that also be impossible? I'd think it's weird to build in two 3/4g antennas and just one 2g.
Sorry I have to revive this dead topic.
Is there an updated list of DSFA smartphones (dual sim active, two radio modules)?
I know DSFA can somehow be "emulated" using VoLTE /dual VoLTE or VoWifi if the device and carrier supports it.
So I tried digging around and haven't found any similar situations. I flashed the ATT firmware to my Unlocked Note 9. I get WiFi calling and Visual Voice Mail. However, under Settings -> Connections -> Mobile Networks there is no options for "Enhanced LTE services" or something like that. I also do not get e VoLTE symbol in the status bar like I've seen on others devices. Am I missing something? Should I try swapping the SIM card? Any insight would be great. Cheers!
Naterade said:
So I tried digging around and haven't found any similar situations. I flashed the ATT firmware to my Unlocked Note 9. I get WiFi calling and Visual Voice Mail. However, under Settings -> Connections -> Mobile Networks there is no options for "Enhanced LTE services" or something like that. I also do not get e VoLTE symbol in the status bar like I've seen on others devices. Am I missing something? Should I try swapping the SIM card? Any insight would be great. Cheers!
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It's been discussed a lot here. The basic ideal is that AT&T, moreso than any other carrier, likes to restrict features from devices they didn't sell. It's done by the IMEI on the line. Firmware is one part of the equation, as you've discovered, but certain things just will not work without more steps.
Essentially, here's the process: Find a real AT&T device capable of VoLTE. Swap the IMEI of that device onto your line temporarily by placing your SIM card in it. You might also have to call AT&T and have them swap the IMEI on your line while the SIM is in. Have AT&T unblock the VoLTE feature. Put the SIM back in the device you actually want to use.
if I buy an unlocked note 9 from best buy i should not see this problem with my T-Mobile sim card right?
alher591 said:
if I buy an unlocked note 9 from best buy i should not see this problem with my T-Mobile sim card right?
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T-Mobile doesn't care at all where you bought your device. And most features work on unlocked, too. Missing from U1 on TMB:
- Video calling
- Native digits
If you flash to U, you get literally everything the network can do.
I have a AT&T Note 9 and I don't have the VoLTE listed in that area
It must be on by default (hardcoded) or is listed in another area
So I got a Chinese edition phone with band 2, 4, 5, 12, and 17 to fully support both TMobile and ATT network. The Global edition was missing band 17 for ATT so I didnt want to go that route. Been going back and forth with ATT a bit for the past few days since my device came in. The phone shows up and an "unknown device" on their network when we tried adding the IEMI. It will get UMTS (2g) and HSPA+ (3Gish/4G), but will not connect to any LTE or GSM. The phone supports GSM fine, so its strange that it wont do normal cellular connection over that, it will only do cellular over UMTS. The device wont detect as an LTE device and so the sim wont activate LTE on it.
Anyone else with ATT have this issue? And were you able to resolve it somehow?
Or those with TMobile in the US, are you able to activate the phone fine and get full coverage and LTE working?
I messed around with the connection settings in the *#*#4636#*#* menu. Only the "LTE/TD-SCDMA/UMTS" and "LTE/TD-SCDMA/WCDMA" will work properly at all. Both options give me UMTS for cellular, and HSPA+ for data. Of the 4 APNs that ATT uses, only the "ATT Phone" will work at all. The standard LTE APN "NXTGENPHONE" will leave the phone with no data or cellular service. This is related to the phone not being detected as an LTE device and the SIM not activating as such.
I simply put my AT&T sim in my China version and it worked straightaway. I didn't have to do anything else.
I am on Cricket, which leases service from AT&T, so I should know if it works once it comes Tuesday.
Just for perspective, I got a EU version of the Mi 9. Popped in a T-Mobile sim and it worked out of the box. Try the other sim slot. Could be your sim card if not.
Try these codes in Dialer. See if that helps anything.
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
I was just making an ATT account so no previous activations or sims. So that could be the issue. I will try activating a sim with an old phone and then move the sim over. Or since it is the same hardware as a Galaxy S10, ill see if I can find a store that will activate a sim with a floor model S10 and then let me swap the sim into my Mi 9
Straight talk (ATT sim) lte without issue. no programming necessary , I have the global model though
jvs60 said:
I simply put my AT&T sim in my China version and it worked straightaway. I didn't have to do anything else.
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airwebber said:
I am on Cricket, which leases service from AT&T, so I should know if it works once it comes Tuesday.
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MixEvo said:
Straight talk (ATT sim) lte without issue. no programming necessary , I have the global model though
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Where did you guys buy the China version from?
US mobile white SIM from starter kit (T-Mobile) works well with LTE on Chinese model of Mi 9. Black one (Verizon) technically works, registers in the network and enables data, but Verizon refuses the IMEI as non-certified brand of the phone. Trick with activation on the iphone first and switching to xiaomi did not work, service gets cut off, when trying to make a call, it keeps dropping. AT&T based: Cricket and Straight Talk work just fine too.
---------- Post added at 06:15 AM ---------- Previous post was at 06:14 AM ----------
StDevious said:
Where did you guys buy the China version from?
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Aliexpress https://www.aliexpress.com/item/Ori...222.html?spm=a2g0s.9042311.0.0.58b14c4dxws9df
You'r welcome =)
StDevious said:
Where did you guys buy the China version from?
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I bought my Transparent Edition from Tradingshenzhen.com
Neolo said:
US mobile white SIM from starter kit (T-Mobile) works well with LTE on Chinese model of Mi 9. Black one (Verizon) technically works, registers in the network and enables data, but Verizon refuses the IMEI as non-certified brand of the phone. Trick with activation on the iphone first and switching to xiaomi did not work, service gets cut off, when trying to make a call, it keeps dropping. AT&T based: Cricket and Straight Talk work just fine too.
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Thanks for the info.
I was wondering about Verizon, since it support some CDMA bands and support 2 out of 3 of the LTE bands they use (doesnt support B13). Unfortunately I never tried it myself since half the coverage near me uses the band this phone doesnt support on Verizon.
I went and got my ATT account updated to an old Nexus 6 IMEI number and it got LTE on the N6. I then took the sim and put it in my Mi 9 and now the Mi 9 has LTE. So for anyone just getting this phone, you must have an IMEI on your account that is recognized as an LTE phone. If you try to add the IMEI of the Mi9 it is not recognized by ATT and wont provision LTE.
IMEI spoofing does not work with Verizon, as they simply ban the device. They call it “non certified”. Bands are seem ok.
StDevious said:
Where did you guys buy the China version from?
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I been purchasing from liaow. Never ran across a issue with them
I've been having the same issue, with a recently-bought (last week arrived) Mi 9 Global on AT&T postpaid. LTE showed up and worked fine day one, now network speeds are dropped down to 3.5G speeds. Anyone else have success with getting LTE on a fresh SIM?
EniGmA1987 said:
So I got a Chinese edition phone with band 2, 4, 5, 12, and 17 to fully support both TMobile and ATT network. The Global edition was missing band 17 for ATT so I didnt want to go that route. Been going back and forth with ATT a bit for the past few days since my device came in. The phone shows up and an "unknown device" on their network when we tried adding the IEMI. It will get UMTS (2g) and HSPA+ (3Gish/4G), but will not connect to any LTE or GSM. The phone supports GSM fine, so its strange that it wont do normal cellular connection over that, it will only do cellular over UMTS. The device wont detect as an LTE device and so the sim wont activate LTE on it.
Anyone else with ATT have this issue? And were you able to resolve it somehow?
Or those with TMobile in the US, are you able to activate the phone fine and get full coverage and LTE working?
I messed around with the connection settings in the *#*#4636#*#* menu. Only the "LTE/TD-SCDMA/UMTS" and "LTE/TD-SCDMA/WCDMA" will work properly at all. Both options give me UMTS for cellular, and HSPA+ for data. Of the 4 APNs that ATT uses, only the "ATT Phone" will work at all. The standard LTE APN "NXTGENPHONE" will leave the phone with no data or cellular service. This is related to the phone not being detected as an LTE device and the SIM not activating as such.
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I got the Chinese version and I'm in the US. And I I have the straight talk T-Mobile sim and everything works like it is suppose to expect my internet. It says its 4g but it is very very slow. Any ideas?
Would like to know if these features are supported for the major US carriers. That's the only thing holding me back from pre-ordering.
gordec said:
Would like to know if these features are supported for the major US carriers. That's the only thing holding me back from pre-ordering.
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I know U.S. T-Mobile supported the XZ3 for VoLTE, which was the FIRST Sony unlocked phone it did that for. Your best bet to find out is prob to go check out other like 2019 or 2020 unlocked phones that people have VERIFIED to offer both on AT&T as well. But if that's an issue, then you may wanna consider T-Mobile then. I noticed on the XZ3 that in Call Settings there no longer was the option to turn VoLTE on or off, but during calls it REMAINED in 4G LTE (vs. just 4G), thereby proving VoLTE was in fact enabled.
The US Xperia 1 supported voLTE on T-Mobile, but not WiFi calling. So I'm assuming the mark II would at least do voLTE on T-Mobile. Not sure about the other carriers, but I feel like it would have to since carriers like Verizon are starting to not allowing non voLTE devices to be activated. And the mark II is supposed to work on Verizon.
Easy way to get WiFi calling in the US
https://forum.xda-developers.com/xperia-1/how-to/easy-to-wifi-calling-t4100229
Scorpiusest said:
https://forum.xda-developers.com/xperia-1/how-to/easy-to-wifi-calling-t4100229
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How is this a solution? Switching carriers lol
I want to preorder, but really need WiFi calling. Going to wait until regular users start to receive theirs. Right now with Xfinity Mobile we are paying about $30 per month for 5 lines. The service is as good as when we were Verizon postpaid. Not willing to switch just for this phone.
Anyone in the UK on O2 get it?
Rodders_28 said:
Anyone in the UK on O2 get it?
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Yup, got both (see attached)
I have none of those settings there.
I also don't get 4g+ don't know if that's related?
I get 4g+ if I put the missus Vodafone sim in.
Rodders_28 said:
I have none of those settings there.
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I should have mentioned also that I'm actually on the "Customized UK" firmware opposed to the "O2 UK Pay Monthly firmware" but I had WiFi calling for sure prior to this
So my Xperia 1 ii arrived today, I'm finishing-up set-up. This is the US model, which I'm using with ATT. The deep dive *#*#7378423#*#* on the software info page states: "Current modem config: VoLTE-ATT "
But have yet to find any configuration for VoLTE or Wi-Fi calling. I'll try a call with one of the other lines in my family, who have ATT branded newish phones, to see if it "sounds" like an HD Voice call (there's not notification bar indicator of HD call, right?).
Update: Tried the other *#*#4636#*#* and the options under Phone Info are all grayed out (sigh)
JamesMiami said:
So my Xperia 1 ii arrived today, I'm finishing-up set-up. This is the US model, which I'm using with ATT. The deep dive *#*#7378423#*#* on the software info page states: "Current modem config: VoLTE-ATT "
But have yet to find any configuration for VoLTE or Wi-Fi calling. I'll try a call with one of the other lines in my family, who have ATT branded newish phones, to see if it "sounds" like an HD Voice call (there's not notification bar indicator of HD call, right?).
Update: Tried the other *#*#4636#*#* and the options under Phone Info are all grayed out (sigh)
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You have to call ATT to whitelist your new IMEI for VoLTE provisioning. Then you need to make sure a new sim that supports VoLTE. This is what they told me but I'm missing the new sim, going to get one tomorrow
Thank you.,I'll give that a try. My SIM is the supposedly latest, about 2 years old, i. e. "A compatible SIM or eSIM card will display 25, 26, 27, or 28 in the ninth and tenth digits spots." Is there a newer SIM for ATT?
So had the following chat with ATT tech support:
"... Calista : To confirm, was the device purchased through AT&T?
Me : No, this is an unlocked phone, US model of Sony Xperia 1 ii
Calista : Thanks for the confirmation.
Calista : I have successfully activated VoLTE on the new device.
Calista : I have also checked and see that Wi-FIi calling can only be provisioned only on the device that are purchased through AT&T. However, AT&T will soon activate WiFi calling on the device that are not purchased through AT&T as well. You will be notified about this. "
However after power-cycling my phone and reprovisioning via Testing/Phone Information and on that page the steps of Refresh to get the SMSC number then tap Trigger Carrier Provisioning"--nothing, not VoLTE live switch. Remains gray. Still, interesting comment by tech support about upcoming Wi-Fi calling on BYOE.
Anyone know about VoLTE on Verizon yet? Just ordered my phone today and hoping that it will work.
JamesMiami said:
So had the following chat with ATT tech support:
"... Calista : To confirm, was the device purchased through AT&T?
Me : No, this is an unlocked phone, US model of Sony Xperia 1 ii
Calista : Thanks for the confirmation.
Calista : I have successfully activated VoLTE on the new device.
Calista : I have also checked and see that Wi-FIi calling can only be provisioned only on the device that are purchased through AT&T. However, AT&T will soon activate WiFi calling on the device that are not purchased through AT&T as well. You will be notified about this. "
However after power-cycling my phone and reprovisioning via Testing/Phone Information and on that page the steps of Refresh to get the SMSC number then tap Trigger Carrier Provisioning"--nothing, not VoLTE live switch. Remains gray. Still, interesting comment by tech support about upcoming Wi-Fi calling on BYOE.
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Those tech support chats are useless! Took me 4 calls/chat to get to one knowledgeable one who said they have to file a level 3 tech support ticket and as she was doing it she said our internal memo said this cannot be done for non-AT&T branded phones so I'm sorry
Why not just use Google Voice for wifi calling? I use Google Voice for just about everything now as it's a nice alternative to giving up my number to random businesses.
Is it possible, to install the VoLTE/VoWifi carrier settings by an app (as .apk)?
My problem is that Sony didn't include these settings for Swiss carriers. So I am thinking about, how to add these settings without breaking the firmware.
YandereSan said:
Why not just use Google Voice for wifi calling? I use Google Voice for just about everything now as it's a nice alternative to giving up my number to random businesses.
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VoLTE is required to continue to use AT&T after they sunset 3G and 4G (without VoLTE). Speaking of Google, they've confirmed to me that this phone (US version) works fine on their Google Fi, supporting VoLTE, which is interesting in that Google Fi is an MVNO via Sprint, T-Mobile, and U.S. Cellular.
So if I give ATT an IMEI for a Nokia Lumia 830 or Microsoft Lumia 640XL (both on AT&T's "good" list) to associate with my SIM in my Xperia, will my Xperia be provisioned by AT&T with VoLTE & Wi-Fi calling?