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[GUIDE] Convert TMO to EU via MSM Tool, no SIM Unlock or Bootloader Unlock needed!

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sameog

Senior Member
Apr 21, 2010
543
102
San Francisco
*** Use this at your very own risk.
*** You will lose all data
*** Backup your working modem and persist, just in case
*** Read the entire post and follow the steps closely before asking for help. Post all error messages and steps you took. Screenshots and MSM logs will be best.




It's finally here! A MSM tool that will convert your T-Mobile OnePlus8T+5G to EU KB05BA. From here you can local upgrade to any OOS flavor you want. This gives you Local Upgrade option, faster upgrades, open betas, dual SIM, and more! In fact, after conversion, you can unlock the bootloader without the unlock token (still need to be SIM unlocked, but in case you don't want to wait for the unlock token or if OnePlus's website is broken)!

If you are still SIM locked, you lose the Unlock app for when your device becomes unlocked, it's only available in the stock TMO ROM. Furthermore, if you are still SIM locked, you cannot unlock the bootloader, as the "OEM Unlocking" toggle in dev settings will still be greyed out. If you want to go back to TMO ROM at any point, flash back with the TMO MSM: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4180981/

Steps:
  1. Download the MSM Conversion package:
    • AFH
      MD5: 5ddb543c8a5e7587e0b2ad24d2025e77
  2. Run MsmDownloadTool V4.0.exe (Windows 7 users may need to run the win7 version included)
  3. Select User type: "Other" and press Next.
  4. Press "Start". Don't mess with the default settings.
  5. Put your phone in EDL mode.
    Code:
    adb reboot edl
    or completely turn off your device, hold vol up + vol down and plug in the cable.
  6. Wait about 5 minutes while it works.
  7. Done! If you keep the bootloader locked and run it stock, the About Phone page will be missing some fields.
If you run into any MSM tool issues, most likely you have a driver problem. See the FAQ in @Some_Random_Username's post


Old fastboot method

*** Know how to use the MSMTool, Don't start before figuring it out.
*** DO NOT ATTEMPT THIS IF YOU ARE NOT FAMILIAR WITH THE STEPS DESCRIBED IN THIS GUIDE

* The steps in this guide will convert your TMO KB2007/KB05CB to Global 11.0.5.6.KB05AA, or EU 11.0.3.4.KB05BA
* NR and LTE bands are flashed in nvRAM, not in modem.img or any other partition. You cannot get global bands by flashing a global ROM, nor can you lose TMO bands by flashing another ROM.
* Instructions are the same as running any other MSM unbrick tool.
* You can use this guide to convert to your own variant by extracting payload and flashing from a full OTA. See manual instructions towards the end.
* Use the latest platform tools: https://developer.android.com/studio/releases/platform-tools, https://forum.xda-developers.com/android/general/tool-adb-fastboot-installer-tool-windows-t3999445. DO NOT USE MINIMAL ADB, it has not been updated for years and will cause a crash where you'll need to MSM back to stock.
* Make sure your drivers are up to date. This guide will not walk you through setting up platform tools or updating drivers. When encountering fastboot issues, make sure to include the output of fastboot --version in your post.
* Do not ask for OTAs, MSMs, or anything else not related to the steps described herein. There are plenty of threads around for those.
* This guide does not pertain to Cyberpunk conversion. See other threads.
* This guide converts you to an older firmware so you can take a FULL OTA via Oxygen Updater. Do not skip this step if you want a stable build.

Steps to convert your device to Global or EU
As simple as possible:
  1. You need your device bootloader and SIM unlocked. Follow the instructions here (It says 6T, but applies to all OP devices): https://support.oneplus.com/app/answers/detail/a_id/588/~/how-to-unlock-bootloader-for-oneplus-6t-(t-mobile-edition)
  2. Download and unzip the conversion package:
  3. Boot to fastbootd.
    • From adb:
      Code:
      adb reboot fastboot
    • From fastboot/bootloader:
      Code:
      fastboot reboot fastboot
    • If you are having trouble booting into fastbootd, and have a FC number at the bottom of the bootloader screen, you'll need to MSM to factory first.
  4. [*]You should be at a screen that says "fastbootd" on top. DO NOT CONTINUE IF YOU ARE NOT HERE. SEE HIDDEN FOR AN EXAMPLE.
    bJDcOTg.jpg
  5. Execute "flash_all.bat" for Windows, or "flash_all.sh" for Linux, from the unzipped directory from step 2 as cwd.
  6. Optional: Flash magisk'd boot
    Code:
    fastboot flash boot boot_magisk_patched.img
  7. Reboot into recovery, and wipe everything.
  8. Once fully booted, download Oxygen Updater, set your device to OnePlus 8T of your regional choice and local upgrade to the latest OTA of your regional choice.
  9. Optional: You can re-lock your bootloader at thois point. DO NOT TRY before the full OTA upgrade above, or you'll have to MSM.

Manually:

  1. Unlock bootloader
  2. Download the full OTA of your choosing
  3. Extract the OTA payload with https://github.com/vm03/payload_dumper or https://androidfilehost.com/?fid=818070582850510260
  4. With the output of the payload as your cwd, execute:
    Code:
    fastboot flash product product.img
    fastboot flash abl abl.img
    fastboot flash aop aop.img
    fastboot flash bluetooth bluetooth.img
    fastboot flash boot boot.img
    fastboot flash cmnlib cmnlib.img
    fastboot flash cmnlib64 cmnlib64.img
    fastboot flash devcfg devcfg.img
    fastboot flash dsp dsp.img
    fastboot flash dtbo dtbo.img
    fastboot flash featenabler featenabler.img
    fastboot flash hyp hyp.img
    fastboot flash imagefv imagefv.img
    fastboot flash keymaster keymaster.img
    fastboot flash logo logo.img
    fastboot flash mdm_oem_stanvbk mdm_oem_stanvbk.img
    fastboot flash modem modem.img
    fastboot flash multiimgoem multiimgoem.img
    fastboot flash odm odm.img
    fastboot flash qupfw qupfw.img
    fastboot flash recovery recovery.img
    fastboot flash spunvm spunvm.img
    fastboot flash storsec storsec.img
    fastboot flash system system.img
    fastboot flash system_ext system_ext.img
    fastboot flash tz tz.img
    fastboot flash uefisecapp uefisecapp.img
    fastboot --disable-verity flash vbmeta vbmeta.img
    fastboot --disable-verity flash vbmeta_system vbmeta_system.img
    fastboot flash vendor vendor.img
    fastboot flash xbl xbl.img
    fastboot flash xbl_config xbl_config.img
  5. Replace boot.img with your magisk'd boot if desired
  6. Reboot to recovery and wipe everything


Troubleshooting

  • Error: "remote: no such file or directory"
    You are not in the correct cwd. Fastboot needs to be accessible from the same directory as the .img files, so fix your PATH or make a copy fastboot.exe in the same directory as the .img files
  • Error: "remote: Flashing is not allowed for Critical Partitions"
    You are not in fastbootd. Check step 4.
  • Error: "Invalid sparse file format at header magic"
    Ignore this message, not an error

Special thanks to:
@jwarrior319 for the initial linux script
@cammykool and @awr128 for helping debug some of the steps and clarifying pain points

@radiohead7778580 for a better Global conversion

Fixing the About Phone page

These steps are optional, and will fix the "About Phone" page. There are no performance differences.
  1. You need to rooted with Magisk
  2. Download the fix: here
  3. In the Modules page in MagiskManager, Install the downloaded zip file via "Install from storage"
  4. Reboot, the About Phone page is filled out.


Issues so far (please post if you run into more):
  • None
What appears to work:
  • 5G
  • Dual SIM
  • AOD
  • Fingerprint sensor
  • Wildvine L1
  • Local Upgrade
  • About screen, if steps are followed above
Quick question:. How are data speeds compared to the tmobile rom? Is it faster or about the same?
 

lukhach0

Member
Mar 27, 2016
5
0
Hi, i'm newbie here, what happen when i successful convert my tmo ver to global and then click on OTA update. It going back to tmo or get global update. Thank
 

weirdg

Senior Member
Nov 19, 2007
85
12
Edmonton
I just noticed my phone failed the SafetyNet test after I followed this process and then installed the NA version of OOS.

What should I expect to not work? Is there anyway to get my phone to pass the SafetyNet test if it's not rooted and the bootloader is still locked?
 

weirdg

Senior Member
Nov 19, 2007
85
12
Edmonton
I just noticed my phone failed the SafetyNet test after I followed this process and then installed the NA version of OOS.

What should I expect to not work? Is there anyway to get my phone to pass the SafetyNet test if it's not rooted and the bootloader is still locked?
Nvm... I downloaded the update from Oxygen Updater and did the local upgrade again. Then I performed a factory reset, and everything was good. My phone passes the SafetyNet check now.
 

werichard559

Member
Dec 23, 2021
11
3
hi,i bought an OP9 from ebay,its T-moble with SIM locked.
and iam wondering if there are any way to unlock the phone thru msmtool or anything else.
so pls help me.
sorry for my poor english.
best regards and merry christmas from china.
 

jcsww

Senior Member
hi,i bought an OP9 from ebay,its T-moble with SIM locked.
and iam wondering if there are any way to unlock the phone thru msmtool or anything else.
so pls help me.
sorry for my poor english.
best regards and merry christmas from china.
The answer doesn't change by posting the same question in a different thread. The MSM Tool does not alter the lock state of the device. A third party unlocking service would be your best option.
 
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Reactions: Lz3807775t

Abdülcelil

Member
Apr 30, 2016
19
0
Is this a guide for using any SIM card you want in your device? How can I get rid of the T-Mobile GSM lock? Can I use any SIM card apart from T-Mobile after following the process in the first post?
 

jcsww

Senior Member
Is this a guide for using any SIM card you want in your device? How can I get rid of the T-Mobile GSM lock? Can I use any SIM card apart from T-Mobile after following the process in the first post?
Flashing and changing the firmware does not alter the SIM lock status. If your SIM is locked to T-Mobile, then it will remain locked to T-Mobile unless you SIM unlock the device before flashing. You need to be on the T-Mobile firmware version to remove the SIM lock.
 

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  • 1
    hi,i bought an OP9 from ebay,its T-moble with SIM locked.
    and iam wondering if there are any way to unlock the phone thru msmtool or anything else.
    so pls help me.
    sorry for my poor english.
    best regards and merry christmas from china.
    The answer doesn't change by posting the same question in a different thread. The MSM Tool does not alter the lock state of the device. A third party unlocking service would be your best option.
    1
    Updated this guide to include bootloader unlock for SIM locked devices. Please let me know if it doesn't work.
    1
    Updated this guide to include bootloader unlock for SIM locked devices. Please let me know if it doesn't work.
    It works great , you can convert a version of MSMTOOL from ColorOS 11 to TMO device it will be even better !
    1
    It depends on what yo
    just got a brand new 8t from oneplus direct. i really wanted the unlocked version but they were out of stock for the new year and so i ordered the tmo version with my old trade in and the extra 30$ off i couldnt pass it up was 270$. of course now i see the unlocked ones are back in stock again. damn. anyway i already got the sim permanent unlocked (through a friend there it was easy to do) and have the token for the bootloader if i need it.

    can i ask what do i need to do to simply convert this to a unlocked version of the phone for now. i am in north america and rarely travel out of the country currently. trying to read all this but have major eye issues so its slow going for me. i can still send it back but is it worth it when its already sim unlocked and down the line ill prob flash some custom stuff anyway?
    It all depends on what you want to do with it. If you just want to convert it. You can use the MSM Tool to convert it without the need for the bootloader token and without unlocking the bootloader. If you want to use TWRP and root it, then you will want to unlock the bootloader.
    1
    if someone goes to the eu to global can they easily go back again to eu? or do you have to go back to stock tmobile then over to eu then to global again?
    You can go back the same way, just by using Local Update to the EU from NA Global.
  • 19
    *** Use this at your very own risk.
    *** You will lose all data
    *** Backup your working modem and persist, just in case
    *** Read the entire post and follow the steps closely before asking for help. Post all error messages and steps you took. Screenshots and MSM logs will be best.




    It's finally here! A MSM tool that will convert your T-Mobile OnePlus8T+5G to EU KB05BA. From here you can local upgrade to any OOS flavor you want. This gives you Local Upgrade option, faster upgrades, open betas, dual SIM, and more! In fact, after conversion, you can unlock the bootloader without the unlock token (still need to be SIM unlocked, but in case you don't want to wait for the unlock token or if OnePlus's website is broken)!

    If you are still SIM locked, you lose the Unlock app for when your device becomes unlocked, it's only available in the stock TMO ROM. If you want to go back to TMO ROM at any point, flash back with the TMO MSM: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4180981/

    Steps:
    1. Download the MSM Conversion package:
      • AFH
        MD5: 5ddb543c8a5e7587e0b2ad24d2025e77
    2. Run MsmDownloadTool V4.0.exe (Windows 7 users may need to run the win7 version included)
    3. Select User type: "Other" and press Next.
    4. Press "Start". Don't mess with the default settings.
    5. Put your phone in EDL mode.
      Code:
      adb reboot edl
      or completely turn off your device, hold vol up + vol down and plug in the cable.
    6. Wait about 5 minutes while it works.
    7. Done! If you keep the bootloader locked and run it stock, the About Phone page will be missing some fields.
    If you run into any MSM tool issues, most likely you have a driver problem. See the FAQ in @Some_Random_Username's post


    Instructions to Bootloader Unlock a SIM locked device:


    1. In ADB:
      Code:
      adb shell pm uninstall -k --user 0 com.qualcomm.qti.uim
    2. Reboot
    3. Go to dev settings and enable OEM Unlock
    4. Reboot to bootloader
    5. Code:
      fastboot oem unlock
      No unlock.bin needed


    Old fastboot method

    *** Know how to use the MSMTool, Don't start before figuring it out.
    *** DO NOT ATTEMPT THIS IF YOU ARE NOT FAMILIAR WITH THE STEPS DESCRIBED IN THIS GUIDE

    * The steps in this guide will convert your TMO KB2007/KB05CB to Global 11.0.5.6.KB05AA, or EU 11.0.3.4.KB05BA
    * NR and LTE bands are flashed in nvRAM, not in modem.img or any other partition. You cannot get global bands by flashing a global ROM, nor can you lose TMO bands by flashing another ROM.
    * Instructions are the same as running any other MSM unbrick tool.
    * You can use this guide to convert to your own variant by extracting payload and flashing from a full OTA. See manual instructions towards the end.
    * Use the latest platform tools: https://developer.android.com/studio/releases/platform-tools, https://forum.xda-developers.com/android/general/tool-adb-fastboot-installer-tool-windows-t3999445. DO NOT USE MINIMAL ADB, it has not been updated for years and will cause a crash where you'll need to MSM back to stock.
    * Make sure your drivers are up to date. This guide will not walk you through setting up platform tools or updating drivers. When encountering fastboot issues, make sure to include the output of fastboot --version in your post.
    * Do not ask for OTAs, MSMs, or anything else not related to the steps described herein. There are plenty of threads around for those.
    * This guide does not pertain to Cyberpunk conversion. See other threads.
    * This guide converts you to an older firmware so you can take a FULL OTA via Oxygen Updater. Do not skip this step if you want a stable build.

    Steps to convert your device to Global or EU
    As simple as possible:
    1. You need your device bootloader and SIM unlocked. Follow the instructions here (It says 6T, but applies to all OP devices): https://support.oneplus.com/app/answers/detail/a_id/588/~/how-to-unlock-bootloader-for-oneplus-6t-(t-mobile-edition)
    2. Download and unzip the conversion package:
    3. Boot to fastbootd.
      • From adb:
        Code:
        adb reboot fastboot
      • From fastboot/bootloader:
        Code:
        fastboot reboot fastboot
      • If you are having trouble booting into fastbootd, and have a FC number at the bottom of the bootloader screen, you'll need to MSM to factory first.
    4. [*]You should be at a screen that says "fastbootd" on top. DO NOT CONTINUE IF YOU ARE NOT HERE. SEE HIDDEN FOR AN EXAMPLE.
      bJDcOTg.jpg
    5. Execute "flash_all.bat" for Windows, or "flash_all.sh" for Linux, from the unzipped directory from step 2 as cwd.
    6. Optional: Flash magisk'd boot
      Code:
      fastboot flash boot boot_magisk_patched.img
    7. Reboot into recovery, and wipe everything.
    8. Once fully booted, download Oxygen Updater, set your device to OnePlus 8T of your regional choice and local upgrade to the latest OTA of your regional choice.
    9. Optional: You can re-lock your bootloader at thois point. DO NOT TRY before the full OTA upgrade above, or you'll have to MSM.

    Manually:

    1. Unlock bootloader
    2. Download the full OTA of your choosing
    3. Extract the OTA payload with https://github.com/vm03/payload_dumper or https://androidfilehost.com/?fid=818070582850510260
    4. With the output of the payload as your cwd, execute:
      Code:
      fastboot flash product product.img
      fastboot flash abl abl.img
      fastboot flash aop aop.img
      fastboot flash bluetooth bluetooth.img
      fastboot flash boot boot.img
      fastboot flash cmnlib cmnlib.img
      fastboot flash cmnlib64 cmnlib64.img
      fastboot flash devcfg devcfg.img
      fastboot flash dsp dsp.img
      fastboot flash dtbo dtbo.img
      fastboot flash featenabler featenabler.img
      fastboot flash hyp hyp.img
      fastboot flash imagefv imagefv.img
      fastboot flash keymaster keymaster.img
      fastboot flash logo logo.img
      fastboot flash mdm_oem_stanvbk mdm_oem_stanvbk.img
      fastboot flash modem modem.img
      fastboot flash multiimgoem multiimgoem.img
      fastboot flash odm odm.img
      fastboot flash qupfw qupfw.img
      fastboot flash recovery recovery.img
      fastboot flash spunvm spunvm.img
      fastboot flash storsec storsec.img
      fastboot flash system system.img
      fastboot flash system_ext system_ext.img
      fastboot flash tz tz.img
      fastboot flash uefisecapp uefisecapp.img
      fastboot --disable-verity flash vbmeta vbmeta.img
      fastboot --disable-verity flash vbmeta_system vbmeta_system.img
      fastboot flash vendor vendor.img
      fastboot flash xbl xbl.img
      fastboot flash xbl_config xbl_config.img
    5. Replace boot.img with your magisk'd boot if desired
    6. Reboot to recovery and wipe everything


    Troubleshooting

    • Error: "remote: no such file or directory"
      You are not in the correct cwd. Fastboot needs to be accessible from the same directory as the .img files, so fix your PATH or make a copy fastboot.exe in the same directory as the .img files
    • Error: "remote: Flashing is not allowed for Critical Partitions"
      You are not in fastbootd. Check step 4.
    • Error: "Invalid sparse file format at header magic"
      Ignore this message, not an error

    Special thanks to:
    @jwarrior319 for the initial linux script
    @cammykool and @awr128 for helping debug some of the steps and clarifying pain points

    @radiohead7778580 for a better Global conversion

    Fixing the About Phone page

    These steps are optional, and will fix the "About Phone" page. There are no performance differences.
    1. You need to rooted with Magisk
    2. Download the fix: here
    3. In the Modules page in MagiskManager, Install the downloaded zip file via "Install from storage"
    4. Reboot, the About Phone page is filled out.


    Issues so far (please post if you run into more):
    • None
    What appears to work:
    • 5G
    • Dual SIM
    • AOD
    • Fingerprint sensor
    • Wildvine L1
    • Local Upgrade
    • About screen, if steps are followed above
    6
    I'm glad that the global version is working for everybody!!! For my next trick I'll be trying to mod the MSM Tool for a straight conversation without the need to unlock, stay tuned. I'm going to be needing testers let me know if you're interested.
    5
    MSM conversion tool is uploaded.
    Guide updated, no more fastboot flashing needed!
    4
    Thank you for all the people willing to participate. I will keep everybody posted on my progress!!
    4
    You only get 1 IMEI but it's been working. I've been dailying dual SIM since conversion so long ago. However, I use Mint (T-Mobile MVNO) and T-Mobile postpaid, so that could explain why it works flawlessly.

    I just put in an ATT SIM card side-by-side with TMo and both works.