Unlocking Bootloader:
Opens the door to the internal memory of the device to be written on to. This allows you to flash images onto the main partitions of the phone.
Setup:
- Open command prompt - Press Shift + Right Click anywhere on the screen and select Open Command Window here/
- Enter fastboot mode- Turn the phone off. Hold volume up + power until the "fastboot" screen appears. [Alternatively, if Advanced Reboot is enabled, you can press Reboot -> Bootloader from the power menu.]
- Enter recovery mode - Turn the phone off. Hold volume down + power until the "OnePlus Logo" screen appears.[If Advanced Reboot is enabled, you can press Reboot -> Recovery from the power menu.]
ADB and Fastboot Installation:
1. Download the ADB For Windows from here:- https://drive.google.com/open?id=0B0MKgCbUM0itNVB1elljU2NPR0k
Or you can manually update Fastboot and ADB binaries here
2. Run the .exe file downloaded from above as Administrator.
3. Press 'Y' every time the installer asks for.
4. Continue Driver Installation.
Now, ADB and Fastboot have been installed on your PC. Great !
Or you can manually update Fastboot and ADB binaries here
2. Run the .exe file downloaded from above as Administrator.
3. Press 'Y' every time the installer asks for.
4. Continue Driver Installation.
Now, ADB and Fastboot have been installed on your PC. Great !
Caution:
- Show File Extensions - Open a command prompt window and run "Control folders" (without the quotes). Go to the View tab and uncheck the "Hide extensions for known file types" option. This will help avoid confusion when renaming files.
- Battery - Ensure that your phone has at least 60% battery remaining and that your PC is plugged in and won't shut down spontaneously during the process. The procedure doesn't take very long, but it's best to have enough charge in case something goes wrong.
- Backup (Optional) - Unlocking the bootloader will/should completely wipe all data from the device. This includes apps, settings and even the contents of the internal sdcard (pictures, music, etc.). Copy all important files off the phone onto a PC or upload them to a cloud.
- USB Debugging - On your phone go to Settings > About phone > Tap on Build number 7 times. This will enable Developer options. Now go back to Settings > Developer Options > Enable USB debugging
- Enable OEM Unlocking - On your phone go to Settings > Developer options. Then enable the 'OEM Unlocking' option. Also, a free advice, make sure that from now on, OEM unlocking option is enabled before you reboot. Sometimes, it might get disabled itself.
- Enable Advanced Reboot - On your phone go to Settings > Developer options. Then enable the 'Advanced Reboot' option.
Unlocking Bootloader:
- Turn the phone off. Then boot it into fastboot mode by holding volume up + power. The phone will display "fastboot" text indicating that it has successfully entered fastboot mode.
- Plug the phone into your PC, then open a command prompt window on the desktop (Shift + Right Click -> Open Command Window here) and type :-
Code:fastboot devices
- This command will list the connected devices. If your phones serial number shows up you are good to go and may continue. If the phone is NOT listed this indicates that your drivers are not installed correctly. In order for you to continue you must fix your drivers so that your phone is listed under fastboot devices.
- If the phone has been recognized by the command above, proceed to unlocking the bootloader with the following command:
Remember that this step will/should wipe EVERYTHING off the phone- You would be greeted with a Unlock Bootloader Warning page, hit the vol button to select Yes and turn it blue and Hit the Power Button to execute the selection
- You your device your reboot, show you a Secure boot warning, reboot into stock recovery and wipe all data. Once done, your phone will reboot into the OS.
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