Question Does the T-Mobile version have dual-sim capabilities ? - OnePlus 9 Pro

Can anyone confirm that they have the le2127 model and was able to get dual sim working even after flashing it to the global ROM ?
I just went through all of the steps and converted my le2127 t-mobile version of the 9 pro, only to find out that there is no dual sim functionality. All of the other older OP phones have it.
I do see the pins in there for 2 sim cards but I can't get it to work.

Have a read here: https://forum.xda-developers.com/t/enable-dual-sim-on-tmo-9-pro-only.4346079/

AndyC76 said:
Have a read here: https://forum.xda-developers.com/t/enable-dual-sim-on-tmo-9-pro-only.4346079/
Click to expand...
Click to collapse
Thanks but yeah, I've seen that already. But I'm not sure if it will work on my phone now as it has been converted to global version.

AndyC76 said:
Have a read here: https://forum.xda-developers.com/t/enable-dual-sim-on-tmo-9-pro-only.4346079/
Click to expand...
Click to collapse
Also, when I check the IMEI's using *#06# only one imei is shown. At one point during the updates, to android 12 especially, two empty sim slots did show up but, both had the same IMEI #. Upgraded to 13 and now only one IMEI. I do see pins in there for dual sims so this is a very confusing phone out of the 4 Oneplus phones I own.
So I need to get this figured out before my return window closes.

On the box your phone came in, how many IMEI codes are shown?

AndyC76 said:
On the box your phone came in, how many IMEI codes are shown?
Click to expand...
Click to collapse
It never came with the box.

Has anyone tried this method ?
Enable Dual SIM on T-Mobile OnePlus 9 Pro
In this comprehensive tutorial, we will show you the detailed steps that shall help you enable Dual SIM on your OnePlus 9 Pro device.
www.droidwin.com

rogerrulez said:
It never came with the box.
Click to expand...
Click to collapse
Ok no worries
You've more than likely thought of the below, however if you haven't
Possible approaches to find both IMEI numbers
Does the tmo variant actually have 2 imei numbers?
Did you backup any of your phone before modifying?
What info did you have to submit to tmo, so that you could unlock the bootloader.
The vendor you bought it from, if official may have a record of your imei numbers
Have you used Sims on both slots of the phone? If so your Telco will have a record of the IMEI against the call.
There maybe a simplified approach, I'm sure someone else may also be able to help
Did you get it with any paperwork?
Was there an imei sticker on the back of the phone?

AndyC76 said:
Ok no worries
You've more than likely thought of the below, however if you haven't
Possible approaches to find both IMEI numbers
Does the tmo variant actually have 2 imei numbers?
Did you backup any of your phone before modifying?
What info did you have to submit to tmo, so that you could unlock the bootloader.
The vendor you bought it from, if official may have a record of your imei numbers
Have you used Sims on both slots of the phone? If so your Telco will have a record of the IMEI against the call.
There maybe a simplified approach, I'm sure someone else may also be able to help
Did you get it with any paperwork?
Was there an imei sticker on the back of the phone?
Click to expand...
Click to collapse
I guess to sum it up now with those questions. I do remember that when I applied for the unlock.bin I had to provide the IMEI number(s). And I remember there only being one through *#06#. Plus the sticker that was on the back, which I have, states only one IMEI number.
On top of that. Last night I did some more flashing. And I flashed the EU version to see what would happen. Well two IMEI numbers showed up. BUT, thwy were the exact same IMEI number.
So I think it's safe to say, and from reading other articles last night that, either the second slot(if really there), is blocked by the software or the extra set of pins inside are just not connected to the main board.
Unfortunately, I have given up on the idea of trying to get dual sim out of the TMO variant. I had read on the Oneplus forums last night of people complaining about this exact problem. And their conclusions are basically what I just said. They have given any hope of this phone having any chance of dual sim activity.
Apparently when TMO first advertised the phone they advertised it as dual sim. But the next day their ad was changed to say that it was only a single sim phone. And that seems t be the case here.
People have also said that anything made after the 8T, will not have dual sim anymore on Oneplus phones. esim/nano sim is apparently the future
But thanks everybody for all your help. It was fun but ... you have to cut your losses at some point.
And too bad for Oneplus. This is really going to backfire on them.

AndyC76 said:
Ok no worries
You've more than likely thought of the below, however if you haven't
Possible approaches to find both IMEI numbers
Does the tmo variant actually have 2 imei numbers?
Did you backup any of your phone before modifying?
What info did you have to submit to tmo, so that you could unlock the bootloader.
The vendor you bought it from, if official may have a record of your imei numbers
Have you used Sims on both slots of the phone? If so your Telco will have a record of the IMEI against the call.
There maybe a simplified approach, I'm sure someone else may also be able to help
Did you get it with any paperwork?
Was there an imei sticker on the back of the phone?
Click to expand...
Click to collapse
Update: Duh ... I just looked at the back of the phone for the first time while packing it up, lol !! And there is an IMEI printed on the back cover. Only ONE IMEI ! It was being hidden behind the sticker that was on it. And I never bothered to look.

It's good that you've got to the bottom of it!!
Would you consider looking at the other models NA, Global and Eur checking which bands you need.
If you then find the one that suits, you can always give that a go and have 2 Sims.

rogerrulez said:
¿Alguien ha probado este método?
Enable Dual SIM on T-Mobile OnePlus 9 Pro
In this comprehensive tutorial, we will show you the detailed steps that shall help you enable Dual SIM on your OnePlus 9 Pro device.
www.droidwin.com
Click to expand...
Click to collapse
Hi, Did you try to do it?

ErickVelez08 said:
Hi, Did you try to do it?
Click to expand...
Click to collapse
No I didn't. I went through reading about it and thought the risks outweighed the chances of it being successful. So I returned the phone unfortunately. But those phones only have one IMEI # and what this method does is use the same IMEI and just adds a zero or two at the end. It's not a long term solution.

Related

No SIM insterted, advices please

Hy guys,
I have a situation and need some advices
I have the opportunity to buy NOTE2 for a very fair price, BUT device cant read a sim card :-S (with sim card inserted)
Device does not have a waranty (because it is bought out of my country, to be specific it is from austria), and seller said he is not take it to a service center. so there is no diagnosis what is wrong with it.
I have not seen the device yet, but i will see it in about two days. Seller said that the device is almost new, and it is fully functional except the sim card.
I was ask him is maybe sim slot is broken (people cut regular sim card, and stuff), he said no (he also not sure, because he exchanged it for something else etc).
But nevermind, I will see if it is hardware problem (lets say that I am experienced in this ). I would like to see broken sim card slot, because it is replacable . But lets get to the part where I need advices. possible software problems
I read through forum, and there is various problems and solutions, and also there are few with no solution
I need help with my check list:
1: I will check the IMEI. If there is no one, I will give up
2: If there is IMEI, lets say that there is a chance (maybe someone flash a different rom etc). My qouestion is: Will I be able to make a proper backup of EFS? ,Then try to flash different, modem, kernel, rescue rom, etc... Without a chance to loose IMEI? (properly getting back with efs backup)
3: I read that there are few guys who bought a retail version of the note (the one without radio chip at all). Is there a way to recognize such? (i dont remmember if this version have imei, or not)
4: Is there a chance that device is only locked. What message appear in that situation (no sim, wrong sim, type unlock code or something similar ?)
5: What are the chances that maybe the radio chip is blown , If we assume that the device is relatively new and not dissasembled or something (I know that this is hard to recognize, but maybe, some services code or something)
6: Is there a some kind of service mode to check if the radio chip is functional
So to conclude: If you guys can help me with the check list, feel free to add tips.
I am sorry for this long post.
Thanks in advance
wow, posted a question last nigh, and now it is on a third page lol
lets bump
So once again, my main question is: Is there some service code/mode to check whether the radio chip is functional/or whether is the radio chip existing in a device?
the rest I will leave to chance
again, thanks in advance
Go to a your local telephony service provider, give them the phone's IMEI and inquire about it if it has been black listed. If your device's IMEI has been blacklisted IDK if there's a tool to clone/change it to a newer one. Once the device's IMEI has been blocked, that process is irrevocable unless the previous owner clears the issue for you.
Blocking IMEI happens usually to phones with unsettled payments for the phone unit.
plskillme said:
Go to a your local telephony service provider, give them the phone's IMEI and inquire about it if it has been black listed. If your device's IMEI has been blacklisted IDK if there's a tool to clone/change it to a newer one. Once the device's IMEI has been blocked, that process is irrevocable unless the previous owner clears the issue for you.
Blocking IMEI happens usually to phones with unsettled payments for the phone unit.
Click to expand...
Click to collapse
Thank you, that is sound intersting, and when I've thought about it can be possible cause.
This device came from Austiria to my country, so If we assume that the IMEI is black listed; Whether this can be checked by any carier/service provider? or just one where phone is bought?
thanks again
if it is carrier locked then you should still able to dial emergency number isn't?
in hardware issue you can't.
djoni_gitara said:
Thank you, that is sound intersting, and when I've thought about it can be possible cause.
This device came from Austiria to my country, so If we assume that the IMEI is black listed; Whether this can be checked by any carier/service provider? or just one where phone is bought?
thanks again
Click to expand...
Click to collapse
Just like what dr.ketan said(which is the easiest way to troubleshoot it), try dialing the emergency number wait for the ring(a single ring, then put it down - don't try to call again if it does ring) and if someone answers your call - say the matter has been solved. The phone is network locked.
Thanks guys, I was reading a lot through forum, and my head is full of ...:laugh: so I overlooked the logical solution
Thanks again, will try check phone maybe tomorow, and I will let you know

[Q] Newbie here - unlocked i317 "MM#6 Phone not allowed" for overseas network

[Q] Newbie here - unlocked i317 "MM#6 Phone not allowed" for overseas network
hi all,
I'm new to this forum and its great to be associated with such a wonderful group
I bought an unlocked AT&T note2(i317, android 4.1.1 and firmware- i317UCALJ2) off ebay.com and got it to India a month back from WA.
I have been trying to configure mobile network on Indian carriers but always got these errors :
- " your sim card doesnt allow connection to this network" and "MM#6 phone not allowed"(MM#6 appears only since yesterday)
- the network bar(i.e. signal strength icon on home screen) doesnt capture the local networks at all which is quite surprising.
- Phone's IMEI(35700..) doesnt match IMEI on the back panel(35542..)
I heard about cases where phones purchased from ebay/craigslist getting blocked ( for example, http://forum.xda-developers.com/showthread.php?t=2341622) but I guess that shouldn't stop it from using overseas? Also, I heard IMEIs of such blocked phones look like "null", "0"s etc. but IMEI of my phone looks good and doesn't showup in the list of blacklisted IMEIs on swappa or CheckEsnfree. Lastly, I also checked the GSM bands of i317 and they are definitely compatible in India.
Can someone kindly help?
Many thanks in advance.
Chaitanya.
I would like to add that I have tested SIMs from multiple carriers but failed to locate networks and APNs. All other features like WIFI, Bluetooth etc are working like a charm so I suspected if it got to do something with the IMEI.
I request some guidance from the experts in pointing to the issue so that I can try the workaround(Sorry..Im a novice at troubleshooting android )
Kindly let me know or redirect me to a forum if already exists.
Thanks,
Chaitanya.
Could you please say your baseband? It's in settings> about> phone.
rangercaptain said:
Could you please say your baseband? It's in settings> about> phone.
Click to expand...
Click to collapse
Thanks for your reply mate.
Here are the details:
baseband - I317UCALJ2
CSC - i317ATTALJ2
Bootloader - i317UCAMH3
The good news is your phone is clean stock.
The bad news is your phone is blacklisted, and the IEMI was hacked/changed.
The only legal way to solve this is to contact the original carrier (I'm guessing AT&T USA), give them your IEMI, tell them you bought it legally in the USA, and ask them to unblock it. The blacklist is all US carriers and their overseas versions, all European carriers and their subsidiaries. Like Orange or Voda or t-mobile.
rangercaptain said:
The good news is your phone is clean stock.
The bad news is your phone is blacklisted, and the IEMI was hacked/changed.
The only legal way to solve this is to contact the original carrier (I'm guessing AT&T USA), give them your IEMI, tell them you bought it legally in the USA, and ask them to unblock it. The blacklist is all US carriers and their overseas versions, all European carriers and their subsidiaries. Like Orange or Voda or t-mobile.
Click to expand...
Click to collapse
My bad..I should have checked the status beforehand in detail. Till now I was only aware that bad IMEI phones arent allowed majorly in US only (saw many such phones being sold on ebay intended for international use ).
As far as I know, i317 is only the at&t version of note2 in US and it differs a lot from its International versions (gt 7100, 7105 etc). Do you still think this blacklisted issue holds good in countries where i317 isnt available?
Since sending the product back to US is highly unlikely, can you kindly let me know the best way I can get the issue fixed?
Answered in my post above. From India you can probably use the tech chat from AT&T website.
It's a blacklist of disallowed IEMI's so the model is irrelevant.
rangercaptain said:
Answered in my post above. From India you can probably use the tech chat from AT&T website.
It's a blacklist of disallowed IEMI's so the model is irrelevant.
Click to expand...
Click to collapse
Thanks Rangercaptain for your clarification. I tried AT&T's live chat but it seeks registered contact details to login. Is there any email support?
Not sure if these kind of questions are allowed here but I heard there are tools that help to retrieve lost IMEIs (which work on rooted phones).
In case it gets tough to get hold of AT&T, can I try any of such tools on my phone since it is not registered in my county anyway and doesnt come with any warranty?
P.S:I know changing IMEI is illegal but I guess retrieving it is not :fingers-crossed:
chaitanyapatwari said:
Thanks Rangercaptain for your clarification. I tried AT&T's live chat but it seeks registered contact details to login. Is there any email support?
Not sure if these kind of questions are allowed here but I heard there are tools that help to retrieve lost IMEIs (which work on rooted phones).
In case it gets tough to get hold of AT&T, can I try any of such tools on my phone since it is not registered in my county anyway and doesnt come with any warranty?
P.S:I know changing IMEI is illegal but I guess retrieving it is not :fingers-crossed:
Click to expand...
Click to collapse
I started to think may be the motherboard got changed(since S/N also looks different and the phone looks absolutely new with no wear at all)?
I'm being forced to think that IMEI is clean because some followup with AT&T and US Samsung care have confirmed that the phone's back IMEI and S/N are definitely good with warranty till 2015 and don't show up in any of the blacklisted lists.
I'm sorry for posting different questions but please note that I'm not much aware about this phone's history and I'm trying to openly share the results from my extensive findings. Thanks!!
If you're sure everything is clean are you sure your Sim card is correctly provisioned for the network? The easiest way to find out is to trade cards with a working phone.
Before you think about trading main boards (I did that because the gps connector was broken) go to www.mobiletechvideos.com and see what they can do for you.
rangercaptain said:
If you're sure everything is clean are you sure your Sim card is correctly provisioned for the network? The easiest way to find out is to trade cards with a working phone.
Before you think about trading main boards (I did that because the gps connector was broken) go to www.mobiletechvideos.com and see what they can do for you.
Click to expand...
Click to collapse
Yes, I have been trying this on a working sim with an active data plan which is currently working on my xperia.
Over the last 2-3 days, I have learnt that flashing a wrong ROM sometimes might corrupt EFS folder that stores IMEI,serial number etc., and reinstalling firmware through ODIN(which requires to download original stock ROM separately) or KIES software might restore the lost EFS folder.
I thought of giving this a try and accordingly reinstalled the official firmware but without any success.
Can someone redirect me to any such guides/threads that might help? If it doesnt happen then I would like to close this thread and create a new one for EFS related troubleshooting.
If efs is corrupted there is no s/n or imei shown. It displays null

single vs. dual SIM

i got a Mot Z Play from Amazon.de.
Unfortunately it is a "single"-SIM version. Is it possible to get DUAL-SIM functionality applying a specific firmware? Or is it hardware dependend, too. The SIM-slider has a glued dummy which can be removed.
I would say it' the same then the X play. Maybe you need only remove the glue
wolf333at said:
i got a Mot Z Play from Amazon.de.
Unfortunately it is a "single"-SIM version. Is it possible to get DUAL-SIM functionality applying a specific firmware? Or is it hardware dependend, too. The SIM-slider has a glued dummy which can be removed.
Click to expand...
Click to collapse
I removed the plastic thing on mine and installed a sim on there, my phone did nothing. I'm almost sure its just firmware, if you look down in the hole theres pins for both sims
Also would like to know whether it's HW limitation or SW(like the moto x play), I'm using a dual sim phone so this is a must for me.
sorry for over topic
is "single sim" xplay from amazon can make 2nd sim work by flashing ds firmware?
thanks
ilovemeow said:
sorry for over topic
is "single sim" xplay from amazon can make 2nd sim work by flashing ds firmware?
thanks
Click to expand...
Click to collapse
Yes it's been proven and done by many people, just search in the Moto X Play forum. This is the Moto Z Play forum.
Where did you put the 2nd sim in? In the micro SD slot?
Sent from my D6503 using XDA-Developers mobile app
paulwollf said:
Where did you put the 2nd sim in? In the micro SD slot?
Click to expand...
Click to collapse
If you have a dual SIM version, then obviously you put it in the 2nd SIM slot.
If you have a single sim version, there is nothing you can do right now to use 2nd SIM. There might be a way in the future to convert single SIM version to dual SIM by flashing dual SIM ROM, but that's not guaranteed. If it's possible, you also need to remove the plastic that's blocking the 2nd SIM slot.
Or I'm sure someone will make cyanogenmod for the z play and enable dual sim
Sent from my D6503 using XDA-Developers mobile app
paulwollf said:
Or I'm sure someone will make cyanogenmod for the z play and enable dual sim
Click to expand...
Click to collapse
It's not just a software thing, for this to work, the hardware needs to have an IMEI for the 2nd SIM slot (but 2nd SIM slot is disabled in the ROM and also physically blocked by the plastic). If the phone doesn't have a 2nd IMEI, it won't work regardless of what you do with the software.
What would that mean? A dual sim firmware would enable a 2nd imei? Other than that you can let the sim part print by a 3d printer there are shops in my town which do that
Sent from my D6503 using XDA-Developers mobile app
paulwollf said:
What would that mean? A dual sim firmware would enable a 2nd imei? Other than that you can let the sim part print by a 3d printer there are shops in my town which do that
Click to expand...
Click to collapse
A Dual SIM firmware will not enable a 2nd IMEI, IMEI is assigned to the hardware, there is nothing you can do in software that can add an IMEI. If 2nd IMEI is not present the firmware will see it as all zeros, and most likely cannot use the 2nd SIM, A Dual SIM firmware will allow you to use the 2nd SIM slot IF there is a 2nd IMEI.
I"m not sure what you mean by your second sentence, what's a SIM part?
I mean that you could let a 3d printer create a sim tray with a hole for the second sim
Sent from my D6503 using XDA-Developers mobile app
paulwollf said:
I mean that you could let a 3d printer create a sim tray with a hole for the second sim
Click to expand...
Click to collapse
You definitely can, but it's probably easier and definitely cheaper to remove that piece of plastic. A lot of people have done it.
hjk23 said:
A Dual SIM firmware will not enable a 2nd IMEI, IMEI is assigned to the hardware, there is nothing you can do in software that can add an IMEI. If 2nd IMEI is not present the firmware will see it as all zeros, and most likely cannot use the 2nd SIM, A Dual SIM firmware will allow you to use the 2nd SIM slot IF there is a 2nd IMEI.
I"m not sure what you mean by your second sentence, what's a SIM part?
Click to expand...
Click to collapse
That you cannot change or assign an IMEI is just not true. It´s not legal and so on but there are Xposed modules that let you do it for example. With MTK-Devices it would even be just an command in engineers mode, for wich you don´t even need root (Done that many times). With Qualcomm devices its a bit more difficult, but still managable (step-by-steps can be found via Google)
Yogurthluder said:
That you cannot change or assign an IMEI is just not true. It´s not legal and so on but there are Xposed modules that let you do it for example. With MTK-Devices it would even be just an command in engineers mode, for wich you don´t even need root (Done that many times). With Qualcomm devices its a bit more difficult, but still managable (step-by-steps can be found via Google)
Click to expand...
Click to collapse
There is so much wrong with this post, I don't even know where to start.
"It´s not legal" - if something is legal or illegal is always based on your jurisdiction. The vast amount of countries and states have no law against modifying one's IMEI. Hence, there is absolutely nothing "illegal" about it. There are a few notable exceptions, those are mostly the countries that won't let you use a device with a blank IMEI in the first place (like the UK).
"there are Xposed modules that let you do it for example"
Please, point us to one that works with a current or even semi-current Qualcomm SoC. Given that the IMEI is controlled by the baseband it sounds exceptionally unlikely that they actually change the IMEI that is broadcast to the cellular provider.
"With Qualcomm devices its a bit more difficult, but still managable"
Again, please give us a source for such instructions for a current or even semi-current Qualcomm SoC.
There is a reason why nobody ever found a way to change the IMEI on the X series dual sim mods. This is unlikely to change with the new Z series.
freibooter said:
There is so much wrong with this post, I don't even know where to start.
"It´s not legal" - if something is legal or illegal is always based on your jurisdiction. The vast amount of countries and states have no law against modifying one's IMEI. Hence, there is absolutely nothing "illegal" about it. There are a few notable exceptions, those are mostly the countries that won't let you use a device with a blank IMEI in the first place (like the UK).
"there are Xposed modules that let you do it for example"
Please, point us to one that works with a current or even semi-current Qualcomm SoC. Given that the IMEI is controlled by the baseband it sounds exceptionally unlikely that they actually change the IMEI that is broadcast to the cellular provider.
"With Qualcomm devices its a bit more difficult, but still managable"
Again, please give us a source for such instructions for a current or even semi-current Qualcomm SoC.
There is a reason why nobody ever found a way to change the IMEI on the X series dual sim mods. This is unlikely to change with the new Z series.
Click to expand...
Click to collapse
Hi,
okay, i´ll be honest with you: I havn´t done that on any Qualcomm device since maybe 2 years. Maybe you are right, maybe not. After about 15 sec Google-work I found many posts like this one:
http://www.androidbrick.com/ultimat...agon-xiaomi-mi5-imei-and-baseband-repair-fix/
They are talking about the 820, so I guess thats "current" enough Might be, that Lenovo did some stuff to prevent this, but obviously its not totally false to assume, that with some (most, many) Qualcomm devices you can still get/change the IMEI.
Sure there are always exeptions from the rule (with Gionee M5 Plus I wasn´t even be able to enter fastboot lol), but to say, that an IMEI is assigned to the hardware is at least as false as my - maybe to hasty submitted - reply.
About the "legal"-thingy: Yeah, sorry for not thinking about that. All regions I ever where it was illegal (UK, GER etc). But I guess, thats not to important here

How to change the model reference within the OS Android 10 of my rooted OP7T?

Hello everyone,
I bought the OP7T international version HD1900 but I didn't realize that it does not have the american certification FFC ID, as the HD1905 does. The problem is that because of that I cannot use my OP7T HD1900 in my country because that particular model is not authorized. So my plan is to somehow by software change the model reference ID of my OP7T from HD1900 to HD1905 so my operator now let me use my phone to make calls. I already rooted my phone for this purpose and is currently running Oxygen OS 10.0.8HD65AA.
Does anybody know if is this possible? Thx!
If they're finding out the model number from the IMEI, you're not going to be able to change what is on their database.
hyperspacey said:
If they're finding out the model number from the IMEI, you're not going to be able to change what is on their database.
Click to expand...
Click to collapse
Thx. Since that is uncertain, I still would like to give it a try to change the model number.
migueljh said:
Thx. Since that is uncertain, I still would like to give it a try to change the model number.
Click to expand...
Click to collapse
If you're going into a store and they're looking at the number on the phone's screen you can maybe change that, but if you're calling them up to do this then it's almost guaranteed it's being determined from the IMEI and you can't do anything about it.
hyperspacey said:
If you're going into a store and they're looking at the number on the phone's screen you can maybe change that, but if you're calling them up to do this then it's almost guaranteed it's being determined from the IMEI and you can't do anything about it.
Click to expand...
Click to collapse
Thank you so much. I didn't know that the IMEI somehow "encodes" your brand and model number within it. Cheers!
migueljh said:
Thank you so much. I didn't know that the IMEI somehow "encodes" your brand and model number within it. Cheers!
Click to expand...
Click to collapse
No problem. I don't know the details, but there are websites that buy phones that can tell the model/ storage/ colour just from the IMEI, so it's definitely data that exists in some big database.
Im not 100% sure... but pretty sure that if you install the American firmware it also changes the model #
... @ least in the settings on that device... now obviously it would conflict with the websites that have all the information on that particular device via the IMEI... but in your settings it should change The model number also.. I'm like 99% sure this was the case when I bought the T-MOBILE version of the 6t and converted it to the international version.. If I were you I would flash the North American version..UPDATE Check this thread... I think it should answer your question
https://forum.xda-developers.com/oneplus-7t/how-to/oneplus-7t-repo-oxygen-os-builds-t3997037

Question A52S/sm a526b/ds successfully rooted with camera working+ demo unit baseband 0000 imei question problem.

I purchased this phone unknowingly that it was a demo version.
I removed the demo version from it via the code, reset and then flash and update.
The dual imei numbers are both 0000 when I typed some code ( cant remember it showed that the imei is ok)
I wanted to get it repair via some of those remote box services. I dealt with very rude unpleasant person who was impolite, told me to install quite old xsg rom which is different csc compared to my original rom. When I flashed under imei there is UAE csc and new lines added under: TRA ID :
and TA : , and these two were not there before, device also shows just as a52 instead as a52s as previously. The person suggested the rom based on the build number that I sent him.
Afterwards he was asking for pictures and then blocked me.
Im wondering If I can fix this unit to usable cellular state with working real imeis
I thought xposed modules would help, but it seems they only help with apps and only change imei on them.
I highly doubt that this device has banned imei.
I would be happy to help you to root it and I would appreciate if someone can help me.
I searched many threads without success, I know the efs/qcb is probably corrupted
What route I should go to fix this device?
If it is a demo version and has no IMEI this tells you that this legally is no mobile device that is approved to use with operators. Inserting a new IMEI can not be legal in normal countries. IMEI is a device identifier sent with all phone traffic to ensure that the device is a legitimate one and is not stolen and black (do not work at all) or grey (works but flagged to be traced) listed.
Go back to the seller and demand your money back!
I hoped that someone with more experience with this would chime in, on these new galaxy devices the imeis still seems to suppose to be there, in galaxy 8 or older galaxy version there was no 4g module and antenna removed, I think this is what you are talking about right ? and it was purchased on ad.
Im wondering if these services like chimera can fix it.
I thought it's unrootable. How did you do it?
gerhard_wa said:
If it is a demo version and has no IMEI this tells you that this legally is no mobile device that is approved to use with operators. Inserting a new IMEI can not be legal in normal countries. IMEI is a device identifier sent with all phone traffic to ensure that the device is a legitimate one and is not stolen and black (do not work at all) or grey (works but flagged to be traced) listed.
Go back to the seller and demand your money back!
Click to expand...
Click to collapse
I bought it off an add, impossible, so Im trying to at least fix it, one person here popped in my messages, trying to help... I think he recovered my damaged imei partition and stole it and sold it. Xda what a wonderful place of helpful people.
lucas_54 said:
I thought it's unrootable. How did you do it?
Click to expand...
Click to collapse
Thats bs, my firmware is older but cam is working,The method described in a52 thread, patching file through odin.
ftaqh said:
I bought it off an add, impossible, so Im trying to at least fix it, one person here popped in my messages, trying to help... I think he recovered my damaged imei partition and stole it and sold it. Xda what a wonderful place of helpful people.
Click to expand...
Click to collapse
You must be joking; demo phones have no imei. They are not phones they are dummies. Throwing around inane accusations will do you no god around here.

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