How to Update OnePlus 3T to OxygenOS 3.5.4


OnePlus is quite actively rolling out the updates for this year’s flagship smartphones. The OnePlus 3T recently got OxygenOS 3.5.4 update and OnePlus 3 also got Open Beta 9 update. We are preparing a guide to install OxygenOS 3.5.4 on OnePlus 3T.

Change log

  • Bug fixes
  • Increased Stability
  • Connectivity for Mazda cars
  • Reduced lag when battery is below 5%
  • and more

This guide is only for OnePlus 3T

Proceed with Caution

How to Install OxygenOS 3.5.4 for OnePlus 3T

  1. Enable USB Debugging on your smartphone. Click here to know the procedure if you don’t.
  2. Install ADB and Fastboot drivers on your Windows computer.
  3. Download the ROM zip file accordingly from the links below.
  4. Paste the zip file in ADB folder
  5. Boot your smartphone into recovery mode.
  6. Select Install from ADB Sideload
  7. After that connect your smartphone
  8. Inside the ADB folder hold shift and Right Click. Select “open command window here” from the options.
  9. Type “adb devices” in the command window to check whether your OnePlus 3T is connected or not.
  10. Then flash the OxygenOS 3.5.4 for OnePlus 3T by typing “adb sideload” replace File_Name with the name of the zip file.

Download Links