Covert OnePlus 8T T-Mobile To Global Dual SIM Model

Converting your OnePlus 8T T-Mobile into a global dual SIM model can expand its usability by allowing you to use two SIM cards simultaneously. This guide will help you through the process step-by-step. Follow the instructions carefully to avoid any issues.

OnePlus 8T Specifications Overview

  • Processor: Qualcomm SM8250 Snapdragon 865 Octa-core
  • Display: 6.55 inches Fluid AMOLED, 1080 x 2400 pixels, Corning Gorilla Glass protection
  • Sensors: Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependent)
  • Memory: 8 GB / 12 GB RAM; 128 GB / 256 GB internal storage
  • Cameras: Quad rear cameras (48 MP wide, 16 MP ultrawide, 5 MP macro, 2 MP depth); 16 MP front camera
  • Battery: Non-removable Li-Po 4500 mAh, Fast charging 65W
  • Colors: Aquamarine Green, Lunar Silver
  • Connectivity: Bluetooth 5.1, GPS, GLONASS, BDS, GALILEO, SBAS, NFC, USB Type-C 3.1, USB On-The-Go


Important Notes

  • Backup Your Data: Before starting, make sure to back up all your important data.
  • Tested on Locked Bootloader: This method has been tested and works on devices with a locked bootloader.

Steps to Convert OnePlus 8T T-Mobile to Global Dual SIM Model

  1. Install Qualcomm USB Driver
    • Download and install the Qualcomm USB driver on your Windows PC.
  2. Download & Open MSM Download Tool
    • Download the MSM Download Tool (Global Version) and open it on your computer.
  3. Login to MSM Download Tool
    • On the login screen of the MSM Download Tool, select “Other” and click “Login”.
  4. Start the Flashing Process
    • In the MSM Download Tool, click the ‘START’ button to initiate the process.
  5. Connect Your Device
    • Power off your OnePlus 8T.
    • Hold the Volume Up and Volume Down buttons simultaneously and connect the device to your PC using the USB cable.
  6. Flash the Global ROM
    • Once the tool starts flashing, release the buttons and wait for the process to complete.
    • The tool will indicate when the process is successfully completed.
  7. Restart Your Device
    • Once the flashing is done, disconnect your device from the PC.
    • The device will restart automatically with the global ROM.

After the Process

  • Your OnePlus 8T should now be converted to the global dual SIM model.
  • You can now insert two SIM cards and utilize dual SIM functionality.

This method allows you to enjoy the flexibility of a global ROM while keeping the benefits of a dual SIM device. Make sure to follow each step carefully to ensure a smooth and successful conversion.


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