Hello there!
Long time lurker of XDA here - I'd love to enlist the expertise of all you guys here
Was terribly impressed when you guys figured out how to unlock bands and thought you guys might be able to help me (or rather everyone in my country using the A3010) out!
So in Singapore, our carriers use bands 3/7/8 (1800/2600/900 mhz). Unfortunately for us, Oneplus does not ship directly to Singapore so we often have to rely on third party parallel importers, and most of their stock is the A3010 one.
So the bands supported by the A3003 and A3010 models are below.
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As we found on our local forums, the A3003 is somehow able to get carrier aggregation but not the A3010 and we're all quite puzzled as to why.
One of the theories is that the CA bands (which are not listed on the Oneplus website) are different between the two models.
Perhaps someone here might be able to help?
all singapore bands are supported by China Model,
you need to know what bands exactly are used by your carrier for CA,
and by saying CA is not working, what kind of method did u use to check it ? since not every ROM can show the difference between using CA or not,
yes, 4G+ is a clear indication that your phone use CA, but again, that's not always a case on every ROM
i would suggest u to run network signal guru while doing speedtest, and see whether your phone utilize the CA or not
in a normal situation, the phone usually wont use CA. It will only use it once there's significant data traffic,
example, the phone might not use CA just for pulling GCM push, but will use it on streaming session,
at least thats what happen in most of phones i used,
my A3000 can use CA with no problem, so does the Mi5, S7 edge, and even the economic Redmi Note 3 can do CA
also, each carrier might use different config for CA,
example, my carrier only use CA on band 40, and wont do so on band 5,
you can see my screenshots bellow, my area do not have strong band 40 signal, thus the phone wont be able to use CA, since it only connected to band 5,
but by locking my band to 40 ONLY, and forcing the phone to use it, the CA is easily triggered
otonieru said:
all singapore bands are supported by China Model,
you need to know what bands exactly are used by your carrier for CA,
and by saying CA is not working, what kind of method did u use to check it ? since not every ROM can show the difference between using CA or not,
yes, 4G+ is a clear indication that your phone use CA, but again, that's not always a case on every ROM
i would suggest u to run network signal guru while doing speedtest, and see whether your phone utilize the CA or not
in a normal situation, the phone usually wont use CA. It will only use it once there's significant data traffic,
example, the phone might not use CA just for pulling GCM push, but will use it on streaming session,
at least thats what happen in most of phones i used,
my A3000 can use CA with no problem, so does the Mi5, S7 edge, and even the economic Redmi Note 3 can do CA
Click to expand...
Click to collapse
Thanks for your input! As what I understand, everyone who commented were using OOS 3.5.4/3.5.3 so with regards to the ROM I think that was standardized..
For the benefit of everyone going to do the testing, which segment of network signal guru demonstrates the use of CA? The terminology on the app is slightly complex too
otonieru said:
also, each carrier might use different config for CA,
example, my carrier only use CA on band 40, and wont do so on band 5,
you can see my screenshots bellow, my area do not have strong band 40 signal, thus the phone wont be able to use CA, since it only connected to band 5,
but by locking my band to 40 ONLY, and forcing the phone to use it, the CA is easily triggered
Click to expand...
Click to collapse
How to lock OnePlus 3t to one perticular band?
denogun said:
Thanks for your input! As what I understand, everyone who commented were using OOS 3.5.4/3.5.3 so with regards to the ROM I think that was standardized..
For the benefit of everyone going to do the testing, which segment of network signal guru demonstrates the use of CA? The terminology on the app is slightly complex too
Click to expand...
Click to collapse
The first page will show you LTE details, next page (swipe left) will show you LTE CA Matrix, if your phone use CA it will show that it connect to at least 2 carrier(s)
mannulko said:
How to lock OnePlus 3t to one perticular band?
Click to expand...
Click to collapse
Root the phone, Download Network Signal Guru, Open it, look at the top right, there's three dots menu button, tap it, and choose band locking,
disable all unnecessary or unwanted bands
Hope someone with the right knowledge can come around to advise how to make A3010 get 4G+....
Is your problem solved? I'm also having problem with mi5. No CA on band 3+7. Unfortunately Malaysian telco also using band 3 and 7 for CA.
Same problem here on A3010 Maxis Malaysia where it needs B3+B7 to do CA.
A fellow friend has opened a thread, OnePlus bughunters requested for logs but keep on saying issue was not seen through the logs.
https://forums.oneplus.net/threads/4g-missing-in-a3010.495892/
Would be great if anyone can advise how to do CA on B3 + B7 in a way of unlocking if it is possible just like how unlocking other bands was performed
Sent from my ONEPLUS A3010 using Tapatalk
Related
I know Samsung devices have this and I believe iphones.. not sure.. I dont use iphones...
Unfortuneately, our devices doesnt show this or at least I can not get into this mode... Is there an app that can show us this...
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I have yet to find one.
Lte discovery might be what your lookin for it will show you band not sure about pairing though but still worth looking in to
Sent from my One A0001 using XDA Free mobile app
Dont know what you search, but you can get into service menu. Go tot dailer en call *#*#4636#*#*
mindblizzard said:
Dont know what you search, but you can get into service menu. Go tot dailer en call *#*#4636#*#*
Click to expand...
Click to collapse
Im pretty sure our phones dont show this info.. Ive been in there many times..
Can you show me a screen shot of yours with this info?
Sure, I dont have 4g network overhere
https://play.google.com/store/apps/details?id=com.kei5rio.secretcode&hl=en
I must be blind.. but where does it show the Band and pairing BW?
If you refer to my post, my point was only that there's a little app that shows the Android service menu. The band is indicated (mine says HSPA - my contract doesn't allow LTE, so I can't say anything about that).
fmc000 said:
If you refer to my post, my point was only that there's a little app that shows the Android service menu. The band is indicated (mine says HSPA - my contract doesn't allow LTE, so I can't say anything about that).
Click to expand...
Click to collapse
that app your referring to is the same menu as going into *#*#4636#*#*
also, HSPA, LTE, GSM, etc is not the band type, its a network type.. by Band type I mean LTE: Bands: 1/3/4/7/17/38/40, which is also another way to describe radio frequency
as you can see in the first pic of my first post, in the Samsung device, it shows Band 4
but my question was for mindblizzard,
I don't think the phone can show that information
Sent from my OnePlusOne
which is why Iam asking around to see if theres an app that can...
gd6noob said:
LTE: Bands: 1/3/4/7/17/38/40
Click to expand...
Click to collapse
Just out of curiosity, what useful purpose would this serve?
ImWarped said:
Just out of curiosity, what useful purpose would this serve?
Click to expand...
Click to collapse
I would assume to see if the band unlock mod works for other frequencies?
I will see if band 20 is unlocked in few weeks once i get my 4g/LTE data package.
tofuboi01 said:
I would assume to see if the band unlock mod works for other frequencies?
I will see if band 20 is unlocked in few weeks once i get my 4g/LTE data package.
Click to expand...
Click to collapse
That's all fine and dandy, but it's not like your carrier is operating multiple frequencies that you're likely to see ever. Maybe if you live in an incredibly dense population center, but even then... Perhaps I'm missing something.
ImWarped said:
Just out of curiosity, what useful purpose would this serve?
Click to expand...
Click to collapse
Im just curious to see what Band/DL Bandwidth my carrier is using... Our area is suppose to be upgraded to a new LTE network using a new band and what not...
gd6noob said:
Im just curious to see what Band/DL Bandwidth my carrier is using... Our area is suppose to be upgraded to a new LTE network using a new band and what not...
Click to expand...
Click to collapse
Fair enough, if you have LTE already, and they are simply deploying a new frequency, you likely won't notice any change, to any of the service. Speeds don't increase between bands, the only reason a carrier deploys a new band, is to fight radio interference from other carriers. Given the cost of a single radio, carriers generally only deploy these new radios in VERY congested areas. Meaning, that in a city that has, say 15 towers, 2-3 of them would actually get the upgrade, in the area that suffers from the most interference. (You have to bear in mind, that a full tower build, requires 6 radios, each radio costing about $18,000 for the radio, another $1000 for the antenna, another $500-1500 for the power supply and cabling. They don't just "upgrade" an entire area, it takes too long to recoup costs)
ImWarped said:
That's all fine and dandy, but it's not like your carrier is operating multiple frequencies that you're likely to see ever. Maybe if you live in an incredibly dense population center, but even then... Perhaps I'm missing something.
Click to expand...
Click to collapse
Ah my mistake, i had in my head he meant to check for bands in the area which he can use with the 'unlocked' frequency mod..for some reason. My total mistake!
However what i meant with what i said when i get my 4g is that i can confirm that the unlock mod will enable band 20 since our OPO is restricted/doesnt support it by default. The band app would be good though!
Update:
As of 03/31/2016 I'm testing networks that ride on AT&Ts towers seeing as T-Mobile hadn't been working. (Guessing band limitations.) Updated below is Straight Talk HSPA/HSPA+ initial tests. (Tested indoors near Sacramento California.)
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I'm getting the Xiaomi Mi5 and know allot of you already have or plan to get it. I'll be posting speed tests for California USA, Sacramento area on various carriers. Post your results, carrier, and region below! (Keep region results minimal if wanted.)
Thanks!
Reserved.
Also reserved.
Not that it's my concern. But people want to probably know if band 20 works
I'll be keeping my eye on this thread. :cyclops:
please test the signal (2g, 3g and 4g) if is strong, compared with another cellphone; and how is the call quality and how is the voice,
thank you
Test band 20 please!
Sent from my G3
All bands that I can test will be tested but please do keep in mind that I live near Sacramento California and will only be able to test my area, Tahoe, San Fran.
I will be testing with multiple carriers also.
This is a group effort, anyone who has it, test it.
Thanks all!
Definately interested in this thread, the only two reasons I haven't got a Mi5 yet is because
a) I'm Australian, and they don't support band 28 (supposedly) and
b) They haven't released the Pro model yet.
I do have some questions though, as the first post is quite vague...
What will you be testing? Throughput? Reception? Supported bands?
If you're testing bands...
Will you just be testing in its' completely standard state?
Are you going to attempt modification with QPST/QXDM to enable US bands?
If you can indeed get more bands on it I'm getting one.
I do believe that it's a possibility - I read somewhere (can't find the source now...) that the X12 modem is the first by Qualcomm to have the modem/baseband in the same solution.
I'm assuming the reason some phones could be unlocked and some couldn't before this is due to vendor-specific modem adjustments or different sub-SKUs of the Qualcomm chipset, so I'm excited to see if it's possible.
All reasonable questions.
I'll be testing latency, download, upload, bands on specific carriers, and reception on specific carriers.
I won't be testing any modifications any time soon, sorry.
Thanks!
I've just switched my network in order to make use of Volte and 4G+. Looking forward to seeing how fast it can go. Supposed to be upto 300mbps over here in DK
With the 2G network shutting down in Australia at the end of this year, I'm actually very keen on a replacement that can handle concurrent 3G/3G on each sim.
Would you also be able to test this?
Hgneto said:
Test band 20 please!
Sent from my G3
Click to expand...
Click to collapse
From what I have seen for reason they only offer a few bands on LTE bands.
http://www.mobile01.com/newsdetail.php?id=18170
---------- Post added at 02:31 AM ---------- Previous post was at 02:30 AM ----------
I also reserved
Interested on all this "questions" as well.
Just got mine Mi5 64Gb pre-ordered for about 440eur!
Well, the eBay seller I bought my Xiaomi Mi5 from just said he's out of stock. I'm now in the process of getting a refund and will be trying to get another Mi5 soon.
Keep the thread alive, do some speed tests etc. and I'll keep everyone updated!!
Thanks!
Update: Back on track to getting the Mi5 ?
I'm very interested in this phone. I just want to make sure it works in Las Vegas on T-Mobile LTE.
Sent from my SGH-M919 using Tapatalk 2
svtcontour said:
I'm very interested in this phone. I just want to make sure it works in Las Vegas on T-Mobile LTE.
Sent from my SGH-M919 using Tapatalk 2
Click to expand...
Click to collapse
Most likely no, the LTE won't work.
I found the Qualcomm drivers for the Xiaomi Mi 5 in the Diag mode
Code:
*#*#717717#*#*
With these it should be possible to unlock more bands, at least in theory.
Link: Xiaomi Mi5 Qualcomm Diagnostic Drivers (Xiaomi Diag Drivers)
Hi,
For 4G+ Intra or inter-bands ? Someone have an answer for this question ?
Some devices, like Honor 7, are given for having 4G+. BUT only with intra-band system.
And in some countries, like France, 4G+ impossible with an intra-band system, only with inter-bands.
Therefore, you buy a supposed 4G+ device, and you always stay on 4G .
That's why an accurate answer about this question is important.
Thank you very much!
However there are also some LTE band differences between the 3 versions:
- Global 4/64 dual SIM
- Global 3/32 dual SIM
- Global 3/32 single SIM
and maybe Chinese versions are even different.
http://consumer.huawei.com/en/mobile-phones/p9
A similar problem about 4G and 4G+ in France was discussed on XDA about the Huawei Mate 8.
Thank you.
I was talking in fact for the EVA-L09 sold in France and Europe. Single sim 32Go.
And yes, I was also thinking about the similar problem on Mate 8. It's true.
It should be better if Huawei communicates more accuratly about this.
About the Mate 8, I can say that my Mate 8 (international European L29 version unbranded) never showed "4G+" in Italy (I even doubt the 4G+ symbol is included in its ROM...), whilst my new Samsung S7 Edge always shows 4G+ in the same locations...
Exact. That's why I'm in doubt about Huawei devices now...
Up
Someone got working 4G+ with european version?
I would be intrested too.
EDIT: Never seen 4g+ symbol...
As i didnt know about this problem and one of the main reasons i bought this phone was 4g+. So finding this out kinda angers me. I already contacted huawei regarding this lets see what they have to say about it.
I get 4G+ on my P9 when an EE SIM is on it (UK), so that will be 1800+2600 LTE.
First Huawei/Honor device that I've had that shows the + bit (P8, Honor 5X, Honor 7, Nexus 6P all don't).
jonmorris said:
I get 4G+ on my P9 when an EE SIM is on it (UK), so that will be 1800+2600 LTE.
First Huawei/Honor device that I've had that shows the + bit (P8, Honor 5X, Honor 7, Nexus 6P all don't).
Click to expand...
Click to collapse
I have vodafone ITA and 4g+ should also be 1800+2600, but i have never seen the + icon. I have a eva-l19, what model do you have?
EVA-L09
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jonmorris said:
EVA-L09
...
Click to expand...
Click to collapse
As my p9 is the eva-l19, which has less bands for LTE, i will still wait for huawei's answer. I have a feeling my p9 doesnt have proper carrier aggregation...
jonmorris said:
I get 4G+ on my P9 when an EE SIM
Click to expand...
Click to collapse
EE can use intra-band system as well.
jonmorris said:
First Huawei/Honor device that I've had that shows the + bit (P8, Honor 5X, Honor 7, Nexus 6P all don't).
Click to expand...
Click to collapse
6P do not indicate 4G+ mode always showing LTE but aggregation working fine.
noki57oo said:
As my p9 is the eva-l19, which has less bands for LTE, i will still wait for huawei's answer. I have a feeling my p9 doesnt have proper carrier aggregation...
Click to expand...
Click to collapse
I also have p9 l19, but I'm quite certain I saw 4g+, before I updated it (I just yesterday bought it) and now all I see is 4g. My carrier supports those bands
Kahoots said:
I also have p9 l19, but I'm quite certain I saw 4g+, before I updated it (I just yesterday bought it) and now all I see is 4g. My carrier supports those bands
Click to expand...
Click to collapse
That's good to hear. Im now keeping a close eye on that icon to see if it magically appears...
On another note, Huawei still hasnt answered me, starting to feel like i wont get an answer...
EDIT: I contacted Huawei on social media too, lets see what happens, i want an answer!
I can confirmed about the 4G+ icon
Sent from my EVA-L09 using XDA-Developers mobile app
ilos said:
I can confirmed about the 4G+ icon
so l09 has 4g+, but what about l19 ? lte specs are the same, just the bands differ
Click to expand...
Click to collapse
Kahoots said:
ilos said:
I can confirmed about the 4G+ icon
Click to expand...
Click to collapse
so l09 has 4g+, but what about l19 ? lte specs are the same, just the bands differ
Click to expand...
Click to collapse
Yeah, Huawei answered me on social media, and they just told me what 4G frequencies the phone has. Support still hasn't answered me, which i guess means they won't answer.
I haven't seen the 4G+ icon once...
noki57oo said:
Yeah, Huawei answered me on social media, and they just told me what 4G frequencies the phone has. Support still hasn't answered me, which i guess means they won't answer.
I haven't seen the 4G+ icon once...
Click to expand...
Click to collapse
but by all logic it has to work if the frequencies match right ? since my carrier uses most of the l19's frequencies yet nothing, but I still somehow hope that it is just a software glitch, because as I mentioned before, that I believe, that I saw 4g+ icon when I unboxed the phone, but when I updated it , it was gone, although I'm not complaining about the speeds since my top speedtest was 75mbps down and variating 25-75mbps, while up 7-22
So Huawei actually answered, they say that they do not have access to this information, which feels strange. They sent me a lot of data regarding the bands, like frequencies, signal strength, downlink and uplink on different bands, but no carrier aggregation bands....
Hello,
P9 lite (VNS-L31) B130 firmware. No 4G+ icon
Can anyone confirm the compatibility of the Exynos variant with T-mobile? Frequency check websites show 100% compatibility but looking for personal experience feedback. Also curious if B66 works as intended in the US.
TehPirate_ said:
Can anyone confirm the compatibility of the Exynos variant with T-mobile? Frequency check websites show 100% compatibility but looking for personal experience feedback. Also curious if B66 works as intended in the US.
Click to expand...
Click to collapse
Its good. I use the S7 Exynos on T-Mobile. Its perfectly fine but with no wifi calling and a bit worse service.
mweinbach said:
Its good. I use the S7 Exynos on T-Mobile. Its perfectly fine but with no wifi calling and a bit worse service.
Click to expand...
Click to collapse
Service is already hit or miss where I live now. Can you elaborate on how the service is worse? Band support or signal strength?
TehPirate_ said:
Service is already hit or miss where I live now. Can you elaborate on how the service is worse? Band support or signal strength?
Click to expand...
Click to collapse
I just noticed that the service is like just a little worse, you most likely wont notice a difference.
Anyone play around with the idea of loading the T-mobile S8 firmware onto the Exynos international version of the phone to see if that would be enough to get Wifi calling working? Wifi calling is essential to me since I work in a building with great wifi but no service.
JGoldz75 said:
Anyone play around with the idea of loading the T-mobile S8 firmware onto the Exynos international version of the phone to see if that would be enough to get Wifi calling working? Wifi calling is essential to me since I work in a building with great wifi but no service.
Click to expand...
Click to collapse
You cannot install Snapdragon firmware on an Exynos based phone. This will lead to a brick. The only thing from a Snapdragon firmware you can install I believe is CSC but don't quote me on that.
TehPirate_ said:
You cannot install Snapdragon firmware on an Exynos based phone. This will lead to a brick. The only thing from a Snapdragon firmware you can install I believe is CSC but don't quote me on that.
Click to expand...
Click to collapse
I was also wondering if flashing the tmobile CSC to the 955F would enable wifi calling. The only LTE band that the Exynos variant doesn't have that T-mobile uses is 66 and from what I've been able to research that's not sued int he NYC area. But wifi calling is critical. I use it a lot to call back home when I travel abroad.
EastVillage said:
I was also wondering if flashing the tmobile CSC to the 955F would enable wifi calling. The only LTE band that the Exynos variant doesn't have that T-mobile uses is 66 and from what I've been able to research that's not sued int he NYC area. But wifi calling is critical. I use it a lot to call back home when I travel abroad.
Click to expand...
Click to collapse
That is incorrect. The 950F does support band 66. I took this from service mode on my 950F
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I can't imagine 955F would be different from 950F
I received my phone yesterday. After a couple sites reporting it did support band 66, I dove in and was not disappointed.
TehPirate_ said:
That is incorrect. The 950F does support band 66. I took this from service mode on my 950F
I can't imagine 955F would be different from 950F
I received my phone yesterday. After a couple sites reporting it did support band 66, I dove in and was not disappointed.
Click to expand...
Click to collapse
Thanks but there's something weird about your screenshot. Band 32 is out of order and is not used on any Samsung phone. I think that should be 42. I find it hard to believe that there is a typo in the service menu.
I was using frequencycheck.com and willmydevicework.com as my sources. I agree that on this point I'm positive that the 950 and 955 should be the same.
EastVillage said:
Thanks but there's something weird about your screenshot. Band 32 is out of order and is not used on any Samsung phone. I think that should be 42. I find it hard to believe that there is a typo in the service menu.
I was using frequencycheck.com and willmydevicework.com as my sources. I agree that on this point I'm positive that the 950 and 955 should be the same.
Click to expand...
Click to collapse
Yeah it's strange and I do think it's a typo. But that's what service mode shows, regardless of which SIM I select.
With the exynos you'll also lose VoLTE. Meaning in areas where T-Mobile is using B12 LTE to extend the range of its network (B12 LTE 700mhz goes further than their EDGE and HSPA network (1700,1900,2100mhz) so if you're in an area and only have B12 LTE signal you won't be able to make or receive calls or texts. And in an emergency scenario if there was no other network for your phone to roam to, you also wouldn't be able to dial 911. Kinda an important feature imo.
I use the 930F on t-mobile and will likely do the same with the s8. If you care about rooting, you should get a 950f. It can be rooted easily and with root, you can get TKKG1994's CSC selection tool and use it to enable VOLTE/Wifi calling). If you aren't going to root, then the carrier phone is good.
I don't know how gigabit LTE is affected but I doubt in 2017 this is a game changer.
Has anyone else got a CN version and on Vodafone UK? I can't seem to get 4G+ or 5G to work. Download speeds on 4g are a lot less than my S21 and Cellmapper seems to confirm no LTE-A or NR. Even tried a SIM swap but that doesn't seem to have helped.
It's fine with my EE SIM, shows 4g+
Some googling shows others with similar issues with no CA on some European networks but others are fine. Wondering if the EEA firmware is likely to have a different modem config file?
I have a CN model and my EE gets 4G+ and 5G without any issues.
I also have a work phone on Vodafone. If I take the Vodafone SIM and put it inside my Mi 11 Ultra, it only shows as 4G. 5G won't turn on either even though it's supported in my price plan and works on my work phone.
One thing I have noticed is that the CN model does not support Band 32/1400MHz SDL, which Vodafone in the UK uses whereas EE does not - could this be the main difference as your area happens to rely on this band?
I don't think that's the issue. My local area masts only have band 1,7 and 20 anyway on Vodafone UK and on my S21 Ultra I get CA ok.
chistery said:
I don't think that's the issue. My local area masts only have band 1,7 and 20 anyway on Vodafone UK and on my S21 Ultra I get CA ok.
Click to expand...
Click to collapse
Strange, not sure what it could be. Likely some sort of firmware issue/config matter then as I can't get LTE on my Vodafone work SIM either.
Hopefully once it's out in the UK I can replace the firmware with that version. I will try the global one next week though.
The xiaomi.eu roms are based on the CN version, so likely to have the same modem files I assume.
Have you changed the sim cards with newer ones to rule out some old SIM cards issues ?
Jhonxs said:
Have you changed the sim cards with newer ones to rule out some old SIM cards issues ?
Click to expand...
Click to collapse
Yes, tried a SIM swap, still no CA on Vodafone.
4G+ should active automatically when network have these combinations available on network: https://cacombos.com/device/M2102K1C . Chinese devices doesn't support all 4G Carrier Aggregation combinations used in Europe so that could be reason why you don't see 4G+ active.
That's why it's recommend buy Global version: https://cacombos.com/device/M2102K1G
olkitu said:
4G+ should active automatically when network have these combinations available on network: https://cacombos.com/device/M2102K1C . Chinese devices doesn't support all 4G Carrier Aggregation combinations used in Europe so that could be reason why you don't see 4G+ active.
That's why it's recommend buy Global version: https://cacombos.com/device/M2102K1G
Click to expand...
Click to collapse
If this is the explanation, i guess there is nothing to do except switching the chinese for global version ?
I think we're just waiting for someone to try the global or EEA version, not brick their phone, and report back on whether CA is now active.
chistery said:
I think we're just waiting for someone to try the global or EEA version, not brick their phone, and report back on whether CA is now active.
Click to expand...
Click to collapse
I hope im wrong but i think when it comes to network bands its only about hardware , not software .
Hopefully this can be fixed by software stuff but i doubt it .
Before i bought the phone , i checked bands support and all the UK ones were supported . But it looks like things are more complicated than just supported bands .
I believe CA is a software issue, as the modem just need to know which bands can be aggregated together.
I just downgraded to the Global 12.0.1 version and still no CA.
Well , if someone could tell us what are the odds of this being somehow fixed in the future , i would be really grateful. If there are no chances for some fix , i will definitely sell it even though i freaking love this phone .
vendetta17 said:
If this is the explanation, i guess there is nothing to do except switching the chinese for global version ?
Click to expand...
Click to collapse
Well there is not much todo because CA combinations are defined in modem firmware. Changing OS to different version may not change modem firmware.
chistery said:
I believe CA is a software issue, as the modem just need to know which bands can be aggregated together.
Click to expand...
Click to collapse
These are configured to modem firmware. You can't change these values because it requires source code of modem and then compile it. We don't have modem source code so we can't change carrier aggregation combinations.
So only what we know is support per devices - https://cacombos.com have good database
Considering this , anyone from UK wants to buy a Mi 11 Ultra 12 / 512 ? Thanks .
Just tried a Global version, and 4G+ works fine.
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And the CN version:
So moral of the story, it's not just about the LTE bands it supports. I'll know for next time!
chistery said:
Just tried a Global version, and 4G+ works fine.
View attachment 5299241
And the CN version:
View attachment 5299243
So moral of the story, it's not just about the LTE bands it supports. I'll know for next time!
Click to expand...
Click to collapse
You switched to global or you'll keep the chinese one ?
Switched to global, now need to sell my CN version.
chistery said:
Switched to global, now need to sell my CN version.
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Click to collapse
Could of just switched to the global rom , would of got the same result.