Is it possible to rollback to T-mobile from H2OS? - OnePlus 7T Questions & Answers

I got an OP7T from others with sim network locked. BL is unlocked and now it is flashed into chinese OP firmware H2OS. I want to covert back to T-mobile version and try to unlock sim network lock. How can I do that? Is it possbile to do that?

[Thread Closed] As requested by OP
Solution found here: [OP7T T-MOBILE][OOS 10.0.13 HD63CB] Unbrick tool to restore your device to OxygenOS

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Realme X2 Indian Variant | Bootloader Unlock & Rooting Method

Is the Rooting method mentioned for RMX1991, the Chinese Variant working for the Indian X2? If yes, then can someone please post the correct steps to do it in the Indian Variant, and also if Fingerprint and magisk modules are working or not after going through with the process?

how to SIM unlock s20(SM-G981u) to use in india?

can anyone here please tell me if i can use the model mentioned(SM-981u) which is locked to T-mobile can be used in india by flashing any firmware by odin or whatever? if so please give the link.
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G981U and G981U1 Firmware Links and Flashing Discussion Here
For those who aren't already aware, G981U is the model number of all of the US carrier versions of the S20. The G981U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100%...
forum.xda-developers.com

Question How to flash oos

Hi all
I got a question. I rooted the device before, now I would like to go back such as unroot and lock bootloader. How can I flash the system like brand new? I was looking fastboot oos but I can’t find it. Please help me out.
Mr-Zhag said:
Hi all
I got a question. I rooted the device before, now I would like to go back such as unroot and lock bootloader. How can I flash the system like brand new? I was looking fastboot oos but I can’t find it. Please help me out.
Click to expand...
Click to collapse
us msm tool
FizzyAps said:
us msm tool
Click to expand...
Click to collapse
There's msm tool for oneplus 9 pro U.S version? Could you link for me please? I'm totally new for this, can I have an instruction?
unlocked model or tmobile
FizzyAps said:
unlocked model or tmobile
Click to expand...
Click to collapse
unlocked model, I bought it directly from oneplus website.
MSM tool for LE2125 - 11.2.2.2.LE15AA
User Type of Others for login MSM Tool for LE2125 - 11.2.2.2.LE15AA Drivers Mirrors: (provided by @djsubterrain) MSM Tool : https://sourceforge.net/projects/djsubterrain/files/OnePlus 9 Pro/OP9P_MSM_Tool.zip/download MD5 ...
forum.xda-developers.com

Nord n100 SIM unlock question

Phone: Oneplus nord n100 BE2012
Operator: T-mobile
So, it is sim locked, it is not possible to unlock it via changing the OS to global or to a custom one like lineage or crdroid. The question is, will it unlock if I change the one and only IMEI of the phone from another phone as a donor, if so, is there a program like MAUI META that can help in changing the IMEI or can it be done through ADB tools?
Messing with IMEI has questionable legality so don't expect help with that on a public forum.
thomaskmaagaard said:
don't expect help on a public forum.
Click to expand...
Click to collapse
I found out that it is possible, on a public forum.

OnePlus 7T HD1907 (T-Mobile) Root on Android 12 without converting to the global variant

Hi there,
I have searched numerous threads and questions regarding rooting OnePlus 7T here. I have a OnePlus 7T 1907 T-Mobile running on Android 12. The phone is already career-unlocked. I can also enable "OEM Unlocking" option from the developer mode. I have requested the bootloader unlock token from OnePlus/T-Mobile. I want to root it without converting it to a global variant. Later on, I'd like to unroot it and then lock the bootloader.
I have seen some people posting problems when converting it to a global variant and I'd not like to go this route. How can I root this T-mobile variant without converting to global variant?
I'd highly appreciate your help here.

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