Download OxygenOS 3.5.7 for OnePlus 2 [Fix Lost IMEI]

OnePlus starts rolling out OxygenOS 3.5.7 update for OnePlus 2 which fixes the Lost IMEI number. This update is same as OxygenOS 3.5.6 but it is released for users who lost their IMEI during downgrade or reverting back from HydrogenOS. If you also lost your IMEI number or want to fix lost IMEI number on OnePlus 2 then you should download and install OxygenOS 3.5.7 for OnePlus 2. Only update if you lost your IMEI number otherwise it is same update as 3.5.6. OxygenOS 3.5.6 for OnePlus 2 is an Incremental update which rolls out in phase wise manner. You can wait for the OTA updates, or you can Update Oneplus 2 to OxygenOS 3.5.7 manually with below method. Download OxygenOS 3.5.7 for OnePlus 2 from below.

We provide you the OxygenOS 3.5.7 ROM which you can flash on your device. OnePlus 2 OxygenOS 3.5.7 update fixes lost IMEI issue. If you want to update your OnePlus to the latest version then Download OxygenOS 3.5.7 for OnePlus 2 from below.

Download OxygenOS 3.5.7 for OnePlus 2 [Fix Lost IMEI]


  • This method is only for the OnePlus 2.
  • 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 phone and then proceed.
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download OxygenOS 3.5.7 for OnePlus 2

  • OxygenOS 3.5.7 Full ROM for OnePlus 2 – Download

How to Install OxygenOS 3.5.7 ROM on OnePlus 2

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 or ADB and Fastboot for Mac and install it on your PC.

4) Download the OxygenOS 3.5.7 for OnePlus 2 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/USB

4) Now Connect your phone to Laptop/PC

5) On 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 3.5.7 on OnePlus 2 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 the OxygenOS 3.5.7 OTA Zip file from above and save it in your Internal Storage.

2) Turn off your device and Boot into the Recovery mode by press and hold “Volume Down+Power Button

3) Now Wipe data and cache if you want a clean installation otherwise skip this step.

4) Now in Recovery select your preferred language and select Install from Local.

5) Now select the Zip and Click on Install to start the process.

6) Now wait until the installation complete and then Reboot your device.

7) Done.

That’s all this is the complete guide to Download OxygenOS 3.5.7 for OnePlus 2. Let us know if you have any questions by comment below.


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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