How to unlock the Bootloader of the Gionee Elife S Plus

Below is the simple steps to unlock the Bootloader of the Gionee Elife S Plus:

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• Make backup of important stuff as unlocking the Bootloader wipes your data
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•  Enable USB Debugging on the Gionee Elife S Plus by goin to settings
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•  Enable OEM Unlocking under Settings > Developer options
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• Setup ADB and Fastboot on the PC HERE
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•  Connect the phone to the PC via USB cord (while On)
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•  Launch ADB
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•  In ADB, run the following command (press Enter after the command)

type:  adb devices

- ADB should detect the device. If ADB detects other devices but not the Gionee Elife S Plus then it must be an ADB clash, lookup HERE

- Once the device gets detected, boot it into Fastboot by running the following command (press Enter after the command)

type:  adb reboot-bootloader

- The phone should now enter Fastboot (black screen with only fastboot written at the top or bottom)

- In Fastboot, run the following command (press Enter after the command)

type:  fastboot oem unlock

- You should get a prompt on the device asking you to confirm Bootloader unlock, press the volume up button for Yes

- You should now get a success message

- Reboot the device by running the command below (press Enter after the command)

type: fastboot reboot

All credit to team hovatek 

Good Luck