Convert OnePlus T-Mobile/Metro to Global on Locked Bootloader
In this tutorial, we will show you the steps to convert your OnePlus device from T-Mobile/Metro to Global on a locked bootloader.
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Ok so I want to switch to the international rom but if I am understanding right I'll have to unlock my bootloader which will trip the widevine L1. Can I relock my bootloader after?
Primal instinct said:
Ok so I want to switch to the international rom but if I am understanding right I'll have to unlock my bootloader which will trip the widevine L1. Can I relock my bootloader after?
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Once the MSM Tool is patched, it will convert your device to International software. If you keep the bootloader locked after you flash with the MSM Tool you will have L1.
Sent from my GM1915 using Tapatalk
jram0421 said:
Once the MSM Tool is patched, it will convert your device to International software. If you keep the bootloader locked after you flash with the MSM Tool you will have L1.
Sent from my GM1915 using Tapatalk
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I'm intending to buy the Chinese OP7Pro as it's much cheaper, would I be able to switch to international as of current mods & tools available? link to guide would be appreciated =)
I have a TMobile OnePlus 7 pro (on cricket) rooted(magisk), unlocked carrier, unlocked bootloader, twrp. Can I flash one of the international custom ROMs (like havoc, crdroid or resurrection more specifically an Android 9 version) without flashing the international firmware? I had problems when I previously tried to convert to international that the phone wouldn't recognize my sim even after taking the OTAs.
If not, one I flash to international firmware and do the ota's can I flash an Android 9 rom over oos 10.x.x? I've been out of the game for awhile and the whole ab partition scheme along with how ROMs are for this phone is a bit confusing. Thanks.
devastatorx said:
I have a TMobile OnePlus 7 pro (on cricket) rooted(magisk), unlocked carrier, unlocked bootloader, twrp. Can I flash one of the international custom ROMs (like havoc, crdroid or resurrection more specifically an Android 9 version) without flashing the international firmware? I had problems when I previously tried to convert to international that the phone wouldn't recognize my sim even after taking the OTAs.
If not, one I flash to international firmware and do the ota's can I flash an Android 9 rom over oos 10.x.x? I've been out of the game for awhile and the whole ab partition scheme along with how ROMs are for this phone is a bit confusing. Thanks.
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Firstly how did you unlock the bootloader without going to the international oos. What? Unlock sim and bootloader token?
---------- Post added at 06:59 AM ---------- Previous post was at 06:58 AM ----------
LokifiedMee said:
Firstly how did you unlock the bootloader without going to the international oos. What? Unlock sim and bootloader token?
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I never had the issue with sim card signal once I updated the oos
Firstly how did you unlock the bootloader without going to the international oos. What? Unlock sim and bootloader token?
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Yes I carrier unlocked and then flashed the unlock token.
If I don't flash international can I flash custom ROMs or do I have to flash international first? And I I do flash international and then do the ota's, can I flash a custom android 9 rom ontop of oos 10.x.x(10.3.5 I believe is the newest)?
Your oneplus 7 pro is working on cricket? I unlocked my t-mobile op7 pro via tmobile and flashed the global rom and updated. I sold the phone to a friend and he's on cricket. Cricket is telling him the phone isn't supported but prior to selling it to him I put his sim in it and it worked. Made a call and browsed internet. When he went to set it up after factory reset his sim card got locked by cricket and the phone kept turning off with the only way to power on being holding all buttons to enter fastboot. So if I put the t-mobile rom back on it will his service work?
devastatorx said:
Yes I carrier unlocked and then flashed the unlock token.
If I don't flash international can I flash custom ROMs or do I have to flash international first? And I I do flash international and then do the ota's, can I flash a custom android 9 rom ontop of oos 10.x.x(10.3.5 I believe is the newest)?
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I flashed the global rom with no issues. Sim card didn't work initially but after the first update it worked no problem. It takes ota's with no problem and I didn't even have to unlock the bootloader. The msm tool and op file did the trick
Am wondering if this phone has already been re-branded and if it is ok to follow the guides to unlock bl and install TWRP
I attempted to flash the global firmware on my t-mobile oneplus 9.
I mistakenly downloaded the oneplus 9 PRO indian msm. I didn't realize this as the file has a very similar name. Lemonade_22.I.07_210412 vs Lemonadep_22_I.07_210412
I've tried everything since with no success. I tried to flash the correct oneplus 9 indian msm but it says incorrect device.
So I'm stuck with the oneplus 9 pro Indian firmware and can't get back to indian oneplus 9 firmware....
Derek6091 said:
I attempted to flash the global firmware on my t-mobile oneplus 9.
I mistakenly downloaded the oneplus 9 PRO indian msm. I didn't realize this as the file has a very similar name. Lemonade_22.I.07_210412 vs Lemonadep_22_I.07_210412
I've tried everything since with no success. I tried to flash the correct oneplus 9 indian msm but it says incorrect device.
So I'm stuck with the oneplus 9 pro Indian firmware and can't get back to indian oneplus 9 firmware....
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Okay so OEM unlock in developer options was greyed out, but i found this adb command that enabled the option. https://forum.xda-developers.com/t/oem-unlock-despite-sim-lock.4378409/
I now have the bootloader unlocked. I'm going to try to flash custom recovery and a oneplus 9 rom. Any help is very appreciated!!
Good evening,
Is it possible to recover from where I am (LE2117 model on OxygenOS 11.2.10.10.LE25AA, OTA Version OnePlus9Oxygen_22.O.13_GLO_0130_2111112106), or is my only option to be stuck on the OnePlus 9 Pro 5G India version for locked bootloader? If it's possible, what do I need to do? Work demands my phone to not be rooted...I'm not married to the concept of global or India region, and am fine with either.
[Marking each area with a reference at the bottom...]
Problem: I've attempted the OnePlus 9 5G T-Mobile to Global transition [REF001] on my LE2117 only to brick my phone midway through the process. The goal here is to get the phone on a NON-T-Mobile variant with a locked bootloader. Thankfully I'm rid of T-Mobile, at least...
Where I am now: I was able to recover the phone by using the MSM tool for OnePlus 9 Pro 5G India [REF002], then using the T-Mobile to Global "flash_all.bat" script [REF001] again with the payload of the global version [REF003]. The issue is that the phone's bootloader isn't locked, and if I lock it then everything is gone and I must start over at the beginning of this paragraph. I've attempted using the global MSM tool [REF004], but the issue is that it provides a Param Preload error for Unsupported Target IN. There was a reference somewhere about flashing the param.bin, though, that didn't seem to work...
Thank you for your insight and assistance!
REF001: Convert T-Mobile OnePlus 9 to Global (or other) firmware - https://forum.xda-developers.com/t/convert-t-mobile-oneplus-9-to-global-or-other-firmware.4277169/
REF002: OnePlus 9 Pro Oxygen OS India MsmDownloadTool - https://forum.xda-developers.com/t/oneplus-9-pro-oxygen-os-india-msmdownloadtool.4270589/
REF003: OnePlus9Oxygen_22.O.13_OTA_0130_all_2111112106 -
https://oxygenos.oneplus.net/OnePlus9Oxygen_22.O.13_OTA_0130_all_2111112106_03a66541157c4af5.zip
REF004: GLOBAL OnePlus 9 MSM TOOL UPDATED -
GLOBAL OnePlus 9 MSM TOOL UPDATED
Frist off Im not responsible for anything that happens to your phone!!! VERY SIMPLE IF YOU ARE BICKED,BOOTLOOPED OR JUST WANT TO GO BACK TO 100% STOCK THIS WILL WIPE ALL DATA!!! AN RELOCK BOOTLOADER OOS 11.2.4.4.LE25AA MUST HAVE QAULCOMM...
forum.xda-developers.com
Run the Indian 9 Pro MSM again and download the global 9 downgrade package in the pinned post and flash that to get back on global firmware. The MSM re-locks the bootloader as part of the process and you don't need an unlocked bootloader to convert between variants if you use the official local upgrade function.
Thank you for your response EtherealRemnant -
I've followed the steps and am probably doing something wrong. I've run the OP9PRO India MSM, unlocked OEM for the flash (because trying local upgrade (downgrade) at this point doesn't show the packages), flashed to either global downgrade package, and attempted the global MSM tool for re-lock. I'm still getting the Unsupported Target IN or Device Not Match Image error. Which part of this am I doing incorrectly?
TuufLess said:
Thank you for your response EtherealRemnant -
I've followed the steps and am probably doing something wrong. I've run the OP9PRO India MSM, unlocked OEM for the flash (because trying local upgrade (downgrade) at this point doesn't show the packages), flashed to either global downgrade package, and attempted the global MSM tool for re-lock. I'm still getting the Unsupported Target IN or Device Not Match Image error. Which part of this am I doing incorrectly?
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You may actually be running into the same problem I did with the downgrade package where it just vanishes from the storage. Do it like this on your computer:
adb push packagename.zip /sdcard/
When I did this, it didn't mysteriously vanish anymore.
If this doesn't work, you may unfortunately be stuck unless you can get someone to modify an MSM Tool for your purposes.
Finally, a solution that hopefully others can also follow to install different versions of their official builds as well (just exchange REF004 with your appropriate compressed zip containing the payload.bin.):
[Adding references for those who found themselves in my same predicament...]
After utilizing the MSM Download Tool for OnePlus 9 Pro 5G [India Region] [REF001], I unlocked the bootloader and leveraged the TWRP App for OnePlus 9 [REF002] by booting towards it [REF003] and installing/flashing the latest version of the OnePlus 9 5G [Global] [REF004] (it defaulted to slot B.) Re-locking the bootloader [REF005] allowed the phone to automatically wipe, and boot directly into the latest Global install.
Shout-out to ctonylee1965's post that's nearly buried in an off-related thread, or I wouldn't have found this solution.
[Original Discussion: https://forum.xda-developers.com/t/...a-sahara-connection-error-check-this.4308601/]
ctonylee1965 said:
Got back to global. Took me a day to figure it out. Enable OEM Unlock and USB debugging. I flashed temp TWRP, installed the OS Zip file from OnePlus support site. Rebooted into recovery, formatted and wiped system. Booted into global. This installation is in SLOT B. Slot A will still have horrible Indian Rom (only horrible because it shouldn't be installed on my Global Unlocked Phone, no disrespect to my Indian brothers.) Note when logging in for the first time let global do its OTA update before you do anything else, especially before you reboot. The Indian version is installed in slot A. REBOOT after OTA installed. Don't reboot before OTA does its thing. This will ensure Slot A has a clean installation. I made the mistake of rebooting before the OTA and I could not do anything with slot A. Relock the bootloader, it will wipe and you will boot into a pristine Global OS 11.2.8.8 Rom.
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Thank you EmerealRemnant for your assistance as well!
REF001 - MSM Download Tool for OnePlus 9 Pro 5G [India Region] - https://forum.xda-developers.com/t/oneplus-9-pro-oxygen-os-india-msmdownloadtool.4270589/
REF002 - TWRP for OnePlus 9 (lemonade) - https://dl.twrp.me/lemonadep/
REF003 - TWRP Commands To Use (Scroll Down) - https://twrp.me/oneplus/oneplus9.html
REF004 - OnePlus 9 5G (Global) Official Build - https://www.oneplus.com/global/support/softwareupgrade/details?code=PM1617074715494
REF005 - Re-locking the bootloader (fastboot oem lock) - https://ihax.io/relock-bootloader-a...ommand to reboot your device: fastboot reboot
It seems strange you had to do all that work when all I had to do was flash the downgrade package...