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Question - How to convert a oneplus 9 tmobile oos12 to pixel experiencie or anot...

 2 years ago
source link: https://forum.xda-developers.com/t/how-to-convert-a-oneplus-9-tmobile-oos12-to-pixel-experiencie-or-another-rom.4480855/#post-87294671
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Question How to convert a oneplus 9 tmobile oos12 to pixel experiencie or another rom

Yasser.d

Member
Feb 18, 2020
Hi everyone! I have a question! Does anyone know how to install a custom rom on the oneplus 9 t mobile with OOS 12? Do I have to downgrade or can I install a rom that has android 12 by default?

My version its LE2117_11_C.19
Feb 25, 2022
You should firstly update to the latest OOS12 update TMo gives us. After that unlock bootloader (as per the guide here on the fourms) via unlock code method (you will have to wait for TMo to send that your way as it's device specific) and then follow the instructions from the rom provider.

I'm running StagOS on my TMo OnePlus 9 without issues since their last release, before that ran Lineage, Jaguar, Nameless. As long as you are updated to latest OOS and with an unlocked bootloader, you can flash any rom on here provided you follow their instructions. If you brick your phone you can use the modified MSM tool I posted on one of my threads to un-brick and bring back to life your phone (keep a backup of your data though)

Yasser.d

Member
Feb 18, 2020
You should firstly update to the latest OOS12 update TMo gives us. After that unlock bootloader (as per the guide here on the fourms) via unlock code method (you will have to wait for TMo to send that your way as it's device specific) and then follow the instructions from the rom provider.

I'm running StagOS on my TMo OnePlus 9 without issues since their last release, before that ran Lineage, Jaguar, Nameless. As long as you are updated to latest OOS and with an unlocked bootloader, you can flash any rom on here provided you follow their instructions. If you brick your phone you can use the modified MSM tool I posted on one of my threads to un-brick and bring back to life your phone (keep a backup of your data though)

so can i follow any tutorial to install any rom if i have unlocked bootloader next to sim? since I tried once to change to global and it worked, I put a module and my cell phone and the phone bricked, with the MSM Tool I was able to recover the OOS t mobile version, but I thought I had to downgrades OOS 11 to install any rom and I never did anything again because of fear for the brick

sorry for my bad English

Feb 25, 2022
so can i follow any tutorial to install any rom if i have unlocked bootloader next to sim? since I tried once to change to global and it worked, I put a module and my cell phone and the phone bricked, with the MSM Tool I was able to recover the OOS t mobile version, but I thought I had to downgrades OOS 11 to install any rom and I never did anything again because of fear for the brick

sorry for my bad English
Yes, that's it. Basically have your phone updated to the latest OxygenOS TMobile can give you,; Have your phone SIM Unlocked AND Bootloader Unlocked and then follow all the steps the Developers of the ROM you choose give for the installation.

If any rom specifically asks for OxygenOS 11, then the same steps are applied except instead of latest OS versión, the one the Dev asks for

Yasser.d

Member
Feb 18, 2020
Then I will start the installation of some rom that I like on top of the latest update of tmobile OOS 12, do you recommend any specific one that is pixel experience or similar performance?

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