To unlock the bootloader on your Lenovo Tab3 7 Essential (TB3-710I) tablet, you need to follow these steps:
Note: Unlocking the bootloader will erase all data on your device. Make sure to backup your important data before proceeding.
- Enable Developer Options on your device. To do this, go to Settings > About tablet > tap the Build number 7 times.
- Enable USB Debugging. To do this, go to Settings > Developer options > enable USB debugging.
- Download and install the ADB and Fastboot tools on your computer.
- Connect your tablet to your computer using a USB cable.
- Open a command prompt window on your computer.
- In the command prompt window, type the following command and press Enter: adb reboot bootloader, This will reboot your tablet into the bootloader mode.
- Next, type the following command and press Enter: fastboot oem unlock, This will unlock the bootloader on your tablet.
- Once the process is complete, reboot your tablet by typing the following command and pressing Enter: fastboot reboot. That's it! Your Lenovo Tab3 7 Essential tablet's bootloader is now unlocked.
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