How To Unlock the Bootloader of T-mobile OnePlus 6T

Here we are sharing a detailed guide to Unlock the Bootloader of T-mobile OnePlus 6T. We have already shared the guide to unlock the bootloader of the global variant but that method won’t work on T-mobile variant of the device. Users need an unlocking key to get T-Mobile OnePlus 6T’s bootloader unlocked.

The great news is that now OnePlus 6T (T-Mobile) users can easily unlock the bootloader of the device. This is thanks to developers at Xda. Not only unlocking the bootloader but also TWRP and rooting is also possible and A detailed Xda guide is also posted on their website.

About OnePlus 6T

The OnePlus 6T was launched on October 29th, 2018. It sports a 6.4-inch AMOLED display (2340 pixels by 1080 pixels). Like the previous  OnePlus 6, the OnePlus 6T has the most powerful CPU. It is powered by an Octa-core Qualcomm Snapdragon 845 processor coupled with 8 GB of RAM.

The device comes with 128 GB internal storage. There are some rumours saying that there will be a 256 GB variant of the device. It carries the same dual rear camera setup from OnePlus 6. It sports a 16 +20 MP rear dual camera set up and a 16-megapixel front camera. The OnePlus 6T will come with  Android 9.0 Pie out-of-the-box. OnePlus has finally removed the headphone jack from its flagship device. It houses a 3700 mAh battery.

Warning: will not be held responsible for any kind of damage occurred to your OnePlus 6T while following this tutorial. Do it at your own risk.


  • Make sure there is at least 60% battery left on your smartphone before begin started this process
  • Get your phone’s IMEI by dialling *#06# in your phone’s dialer.
  • First, take a backup of your apps and data.

Guide: How to Backup Important Data On Android (Non rooted users)

Now download the files and follow the guide to Unlock the Bootloader On T-Mobile OnePlus 6T

How To Unlock the Bootloader On T-Mobile OnePlus 6T (Safest Way)

How To Unlock the Bootloader of T-mobile OnePlus 6T

  • Download and install the OnePlus drivers on your PC (Link is given in the download section above)
  • Then Enable USB Debugging and OEM unlock option On Your OnePlus 6T.

Guide:  How to Enable Developer Options, USB Debugging On OnePlus 6T

  • Now reboot your device into bootloader. And connect your device with PC or Computer.

Guide: How to Boot into OnePlus 6T Bootloader/Fastboot Mode

  • Now Go To The ADB Folder and open Command window / Powershell window there (To Do so,  “Shift + Right click” on any empty white space inside the folder and then select “Open command window here” from the context menu)

Open Command window from MFastboot folder

  • Connect your device to the PC
  • Now reboot into the bootloader by issuing the following commands. (Make sure your device is detected by your PC)
adb reboot bootloader

adb reboot bootloader

  • Now Check fastboot connectivity by giving the command below. If your device is connected properly then it should return the device code.
fastboot devies

  • Now you need to know the unlocking code of your device. Just issue the following commands.
fastboot oem get_unlock_code
  • Copy the code appeared code then go to the unlock token page. Input all the required information there. It may take 5-7 days for the token to come (via mail)

  • Now copy the Unlock_Token.bin file to the ADB Folder
  • Enter fastboot mode and open fastboot Window, then enter the following commands
fastboot flash cust-unlock unlock_token.bin
fastboot oem unlock
  • Done!!! Now the Bootloader of your T-Mobile OnePlus 6T is unlocked.

If you have any question related to this post, feel free to leave that in the comment section 🙂

An NIT Rourkela Graduate in CS, Blogger, Android Geek, and a Tennis Fanatic. I have been writing about Android OS for Last 8 years.

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