Download OxygenOS 3.5.4 for OnePlus 3T (OTA + Full ROM)

OnePlus starts rolling out OxygenOS 3.5.4 update for OnePlus 3T. This is the second update for the device and still based on Marshmallow. As we know OnePlus 3 already getting the Nougat update and we will soon get the Nougat update for OnePlus 3T but until then Download OxygenOS 3.5.4 for OnePlus 3T. OxygenOS 3.5.4 for OnePlus 3T is an Incremental update which rolls out in phase wise manner. The update is rolling out via OTA (over-the-air) and many users already getting the update. You can wait for the OTA updates, or you can Update Oneplus 3T to OxygenOS 3.5.4 manually with below method. Download OxygenOS 3.5.4 for OnePlus 3T from below.

We provide you the OxygenOS 3.5.4 ROM which you can flash on your device. OnePlus 3T OxygenOS 3.5.4 update optimize many apps, increase system stability, and fix various bugs. So if you want to update your OnePlus to the latest version then Download OxygenOS 3.5.4 for OnePlus 3T from below. Check below what’s new in OxygenOS 3.5.4

OxygenOS 3.5.4 for OnePlus 3T

OxygenOS 3.5.4 Features and Changelogs –

  • Optimizations for US-TMO Network
  • Optimizations to Reduce Lag when Battery is below 5%
  • Optimized Bluetooth Connectivity for Mazda Cars
  • Optimized Battery Saving Mode: GPS and Orientation Preferences will be restored when Battery Saving Mode is closed.
  • Fixed Flashlight Usability Issue in WhatsApp
  • Increased System Stability
  • Implemented Various Bug Fixes


  • This method is only for the OnePlus 3T.
  • Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
  • It will not erase your data, but still we advise you to take a complete backup of your phoneand then proceed.
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download OxygenOS 3.5.4 for OnePlus 3T

  • OxygenOS 3.5.3 to OxygenOS 3.5.4 OTA File – Download, Mirror
  • OxygenOS 3.5.4 Full ROM for OnePlus 3T – Download

How to Install OxygenOS 3.5.4 ROM on OnePlus 3T

Method 1

1) Enable ‘USB debugging’ option from setting>developer option>. To enable Developer Options, go to About phone and tap the Build Number 7 times.

3) Download ADB and fastboot driver for windows orADB and Fastboot for Mac and install it on your PC.

4) Download the OxygenOS 3.5.4 for OnePlus 3T from above Copy ROM to a folder where adb installed.

5) Now Turn Off your phone and boot into recovery mode.

3) Choose Install from ADB Sideload

4) Now Connect your phone to Laptop/PC

5) On Marshmallow ROM folder press shift+right click and click on open command here.

6) Now check your connection by typing the below command

adb devices

 if your device is listed, you’re ready to flash the ROM

7) Flash the OxygenOS 3.5.4 on OnePlus 3T by typing below command

adb sideload File

8) Now wait until the process complete and then Reboot the phone.

9) Done!

Method 2

1) Download OxygenOS 3.5.4 OTA zip file from above and save it on your phone internal memory.

2) Now Switch off your device and boot into the Recovery mode.

3) To boot OnePlus 3T into recovery mode press and hold ‘Power + Volume Down’ button.

4) Now your phone boot into the Stock recovery.

5) Now Select ‘Apply Update’ and select ‘Choose from Internal Storage

6) Now browse the OTA zip file which you download and save on your phone before.

6)Now select the zip file and it will Install OxygenOS 3.5.4 OTA update file on your OnePlus 3T.

7) Now wait until the process complete and then reboot your device.

8) Done.

That’s all this is the complete guide to Download OxygenOS 3.5.4 for OnePlus 3T. Let us know if you have any questions by comment below.

Source – OnePlus


Sumit is a Tech and Gadget freak and loves writing about Android and iOS, his favourite past time is playing video games.

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