OnePlus 8 IN2017 T-Mobile Convert To Dual SIM File BY-GSM-REHAN

OnePlus 8 IN2017 T-Mobile Convert To Dual SIM File BY-GSM-REHAN

In the ever-evolving world of smartphones, the OnePlus 8 IN2017 T-Mobile model has captured the attention of tech enthusiasts and users alike. If you’re looking to convert your OnePlus 8 IN2017 T-Mobile into a dual SIM device, you’ve come to the right place. In this comprehensive guide, we will walk you through the process of converting your device into a dual SIM powerhouse with the BY-GSM-REHAN file.


Understanding Dual SIM Functionality

Before we dive into the specifics, it’s crucial to comprehend the concept of dual SIM functionality. Dual SIM phones allow you to use two SIM cards simultaneously on a single device. This feature is especially beneficial for those who want to maintain separate personal and business lines or take advantage of different mobile plans.




The BY-GSM-REHAN file is the key to unlocking dual SIM capabilities on your OnePlus 8 IN2017 T-Mobile device. This file contains the necessary software tweaks to enable dual SIM functionality, providing you with greater flexibility in managing your communication needs.



Converting OnePlus 8 IN2017 T-Mobile to Dual SIM

Here’s a step-by-step guide on how to convert your OnePlus 8 IN2017 T-Mobile into a dual SIM device using the BY-GSM-REHAN file:



  1. Backup Your Data: Before making any changes to your device, it’s essential to back up your data. You can use the built-in backup feature or third-party apps to ensure your information is safe.
  2. Download the BY-GSM-REHAN File: Visit the official BY-GSM-REHAN website or trusted source to download the dual SIM conversion file specifically designed for the OnePlus 8 IN2017 T-Mobile model.
  3. Enable Developer Options: On your device, go to “Settings” and tap on “About Phone.” Find the “Build Number” and tap it repeatedly until you see a message indicating that Developer Options have been enabled.
  4. Enable OEM Unlocking: In Developer Options, locate and enable “OEM Unlocking.” This step is crucial for making system-level changes.
  5. Boot into Recovery Mode: Power off your device and then press and hold the volume down and power buttons simultaneously to boot into recovery mode.
  6. Install the BY-GSM-REHAN File: In recovery mode, select the “Install” option and navigate to the location where you downloaded the BY-GSM-REHAN file. Select it and confirm the installation.
  7. Reboot Your Device: Once the installation is complete, reboot your OnePlus 8 IN2017 T-Mobile.
  8. Set Up Dual SIM: After your device reboots, go to “Settings” and then “Network & Internet.” Here, you’ll find the option to set up your dual SIM cards.
  9. Enjoy Dual SIM Functionality: You can now use two SIM cards simultaneously on your OnePlus 8 IN2017 T-Mobile device, tailoring your communication experience to your needs.


How To Convert OnePlus 8 IN2017 Convert Single Sim To DualSim:


Step:1 Flash OnePlus 8 T-Mobile Android 10 Firmware in EDL Mode instantnoodlet_15_O.16_201001

Step:2 After Flash Mobile Turn On Connect Wifi And Open Devalpor Option

Step:3 On OEM Option

Step:4 Flash Bootloader Unlock File

Step:5 Connect the Phone in Fastboot Mode AND Unlock the Bootloader

fastboot flashing unlock

Step:6 Flash Fastboot Firmware in Fastboot Mode 10.6.10-EUROPE-OnePlus8Oxygen_120.E.18

Step:7 Update With DualSim OTA Update File OnePlus8Oxygen_15.I.40_OTA_0400

After Update With OTA File Mobile Convert DualSim Successfully Enjoy,




The ability to convert your OnePlus 8 IN2017 T-Mobile into a dual SIM device using the BY-GSM-REHAN file opens up a world of possibilities for managing your mobile communication. Whether it’s for separating work and personal calls, taking advantage of different mobile plans, or simply enhancing your connectivity options, this transformation provides you with the flexibility you desire.

In summary, the BY-GSM-REHAN file is your ticket to unlocking the dual SIM potential of your OnePlus 8 IN2017 T-Mobile, and with the step-by-step guide provided, you can seamlessly make the conversion and enjoy the benefits of dual SIM functionality.


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