How To Convert T-Mobile OnePlus 6T Into Global Version Without SIM Unlock

A few days ago, there was a method to convert a T-Mobile OnePlus 6T into the international variant, but it required the unlocked bootloader, which also required a SIM unlock that T-Mobile gives users a hard time about.

However, thanks to @Dark Nightmare and @iaTa, they come this far. In this post, we’ll share all T-Mobile OnePlus 6T users a new method to turn a T-Mobile OnePlus 6Tphone into an international version. Interestingly, it does NOT require the unlocked bootloader or a SIM unlock!

Before getting started, you should remember that the following steps will erase everything on your phone. So, you need to back up all of your important data before proceeding.

Steps to convert T-Mobile OnePlus 6T into global variant

(The patches will remove checks that allow images to be installed the phone. We have already done a test on the “MsmDownloadTool V4.0_factory_patched.exe” file without the “MsmDownloadTool V4.0_factory_mcl_op1_patched.exe” variant. You can also perform a binary diff on the EXEs if there’s an issue with trust.

  • Now, power your T-Mobile OnePlus 6T off completely
  • Press firmly Volume Up + Volume Down buttons simultaneously
  • Connect your phone to the computer while still holding these two buttons.
  • Make sure that you have already installed the USB drivers for download mode (it’s available in the MSMDownloadTool thread)
  • Then, extract the patched tools EXEs in the same directory where you previously extracted the MSMDownloadTool
  • Now, run “MsmDownloadTool V4.0_factory_patched.exe” file
  • Click on “Start” once you are ready to start patching the phone
  • Wait for about 5 minutes until the process is completed. Once done, simply reboot your OnePlus 6T.
  • Your device will boot up normally, but you no longer see T-Mobile logo, instead, it will be the OxygenOS generic logo.

Also see: How To Bring Always-On-Display Feature On OnePlus 6T

Your T-Mobile OnePlus 6T is now running on the identical software to the global OnePlus 6T version sold directly by OnePlus with the latest software (OxygenOS 9.0.11 installed at this time of writing). You can also join the Open Betas if you want, and especially, the “Local Upgrade” feature is enabled and working as well.

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