Download and Install OxygenOS 3.5.8 on OnePlus Two/2 (OTA and Full ROM)

In this article, We’ll show you How to Install OxygenOS 3.5.8 on OnePlus 2. Today OnePlus has released OxygenOS 3.5.8 which comes with latest 1 March security patch, everyone can download and install this OxygenOS 3.5.8 on his/her OnePlus 2. If you are interested in downloading OxygenOS 3.5.8 on your one plus 2 devices, then read out this full article. Download OxygenOS 3.5.8 on OnePlus 2

Update is rolling out via OTA means over the air, you will receive the update very soon you can check for the update by going to your mobile’s settings > About device  > System update, if the update is listed there then download and install it right now, if it does not then follow this guide. Download OxygenOS 3.5.8 on OnePlus 2


OTA File

OnePlus 2 Oxygen OS 3.5.8 OTA -> Download Link

OnePlus 2 OxygenOS 3.5.8 full ROM -> Download Link(Coming Soon)


  • Charge your mobile phone battery up to 50%.
  • Backup your important apps, messages, and contacts.
  • Do not even think to try this on any other OnePlus device this is only made for OnePlus 3 Users.
  • ADB and fastboot must be setup on your PC or Laptop.

Download OxygenOS 3.5.8 on OnePlus 2

How to install Oxygen OS 3.5.8 on OnePlus 2 (Two)

  1. Download the build from above and also download the ‘ADB and Fastboot’ from above.
  2. Copy the build in the folder where ADB and Fastboot are installed.
  3. Boot your mobile phone into recovery mode by holding and pressing power button and volume up button at the same time.
  4. In recovery mode select ‘Install From USB’ then a screen will pop with text ‘You are in sideload mode’.
  5. Plug your Oneplus 2 to your PC or laptop
  6. Now in installed folder of ADB and Fastboot open Command Prompt there.
  7. Type the following command
    adb sideload File
  8. Ex(
  9. Now your phone will start flashing the OxygenOS 3.5.8 on your OnePlus 2
  10. Done !

If you have any questions in your mind then drop them in the comment section. Download OxygenOS 3.5.8 on OnePlus 2