Steps to get official Android Nougat 7.0 based OxygenOS Open Beta 9 for OnePlus 3

OnePlus 3 Android Nougat DevAppAndroid

 

Follow the steps properly to install the OnePlus OxygenOS Open Beta 9 on your OnePlus 3.

First and formost, you have to get the OneBeta 9  from here and save the file in the internal memory of your OnePlus 3 mobile and also save another copy of that file on your PC.

On your PC install ADB framework and Universal Android drivers on your PC.
Just extract and run the .exe file as Administrator by right click the .exe icon. While installing the driver you have to select ‘Y’ option every time the installer ask to do so.

  • In your mobile go to Settings menu and open ‘About phone’.
  • Now go to the build number and tap on it seven times to activate the ‘Developer Options’.
  • You will a toast notification with text “You are a developer”, now go back to the Settings menu and move to “Developer options”, and now are you ready to follow the below methods.
Note : Its vital to backup your whole mobile data before you try any of the below methods. If you are attempting below methods then i am sure you are aware what the term “Hardbrick” and “Softbrick” means, DevAppAndroid will not be responsible to any hardware or software damage caused to your oneplus3 mobile in anyways . Last but not the least step is that you have install the final version of Android Nougat 7.0 based OxygenOS yourself manually.

Method 1: If you are on OxygenOS 3.2.8 with stock recovery

1. Turn off your device
2. Press the volume down button and power button to enter the recovery mode.
3. Select “Install from USB” on the recovery screen and select ‘Ok’ to confirm.
4. You will enter the sideload mode with the message “You are in sideload mode”
5. Open the folder where you have saved the OpenBeta 9 ROM file and connect OnePlus 3 to the PC.
6. Press and hold ‘Shift’ button and left click anywhere in the folder for the context menu to appear.
7. Select ‘Open Command Window here’ to open a ‘Command Prompt’
8. Type “adb sideload filename.zip” (without quotes where filename is the name of the ROM file).
9. Disconnect the USB after the sideloading is done and let the device boot.
10. Let the device complete the installation and enjoy.

Method 2: If you are already on Community Build or OpenBeta8 with stock recovery

1. Go to settings and navigate to ‘Developer options’.
2. Enable ‘Advance Reboot” option.
3. Hold power button to bring up the power menu.
4. Select “Reboot” and select “Recovery” option to reboot to recovery.
5. Once booted to recovery mode, Select “Install from Internal Storage.”
6. Navigate to the location where you save the OpenBeta 9 ROM file and select ‘Ok’ to start the installation.
7. Let the device complete the installation and enjoy.

Method 3: If you are rooted and have TWRP recovery installed.

1. Go to settings and navigate to ‘Developer options’.
2. Enable ‘Advance Reboot” option.
3. Hold power button to bring up the power menu.
4. Select “Reboot” and select “Recovery” option to reboot to recovery.
5. Once booted to TWRP, Select “Install” and navigate to the ROM file to install.
6. Wipe Cache and Dalvik Cache and “Reboot to System” to complete the installation.