One Plus 3 is an awesome smartphone that was released in June 2016. This 4G LTE device runs on Android 6.0 Marshmallow and has a 64GB internal memory and a 6GB RAM. Another amazing feature of the OnePlus Three smartphone is the 16MP Primary Camera and FingerPrint Scanner.
In this post, I’m going to show you how you can;
How to install ADB and fastboot
How to unlock bootloader
How to flash TWRP recovery
How to create nandroid backup
How to root with SuperSU
How to install custom ROM
How to create EFS backup
All on your One Plus 3 smartphone. Remember to BACK UP your DATA before you begin.
1) To install ADB and fastboot
Download ADB for Windows PC HERE Then Install ADB drivers on your PC.
2)Steps to Unlock Bootloader
Switch of the OnePlus 3 smartphone
Now hold the VOLUME UP and POWER button together to boot ONEPLUS 3 into FASTBOOT Mode. If this this correctly, the fastboot text would be displayed.
Connect your Device to PC, now Hold SHIFT + RIGHT CLICK and click Open Command Prompt from the menu on the screen.
Now type and RUN the code – f a s t b o o t d e v i c e s
This command will display the connected device(s).
Click the following command to unlock bootloader: fastbootoemunlock. (This command wipes your device)
Now reboot your phone using the command: f a s t b o o t r e b o o t
Your bootloader has now been successfully unlocked.
Now Enable USB Debugging on your OnePlus 3 smartphone – do this from Settings > About Device > tap the Build Number 7 times to enable the Developer Options. Now tap Settings >Developer Options and check the Enable USB Debugging box.
Still Under Setting >> Developer Options: Enable OEM Unlock
Still Under Settings >> Developer Options: Enable Advance Reboot.
ONEPlus 3: How to flash TWRP recovery
Download the TWRP Recovery FileHERE. Then rename the file to Recovery.img
Now turn off the phone and place it into recovery mode.
Connect the Phone to PCand Hold SHIFT + RIGHT CLICK and click Open Command Prompt from the menu on the screen.
Execute the command: fastboot flashrecovery recovery.img
When the file installation is complete. Disconnect and hold the VOLUME UP + POWER buttons together to boot ONEPLUS 3 into Recovery.
In TWRP recovery, select Reboot >> System. The phone will now boot
Step to create Nandroid Backup on OnePlus 3
Boot OnePlus 3 into recovery mode.
Go to backup menu and select the listed partitions.
Swipe to create the back-up. This step will take some time.