①. MTK platform recovery operation steps
1. In the shutdown state, press the boot key+volume to add, enter the reconvery mode
2. Press the volume and key (+) to select the reconvery option, and then press the volume reduction (-) to the next step
②. Resume operation steps for the exhibition platform
1. In the shutdown state, press the power button for 3 seconds first, then press the volume reduction button at the same time, and enter the reconvery mode (robot interface)
2. Press the power button and volume to add a key to enter the next step
③. RK platform recovery operation steps
1. In the shutdown state, press and hold the volume reduction, then press down the power button at the same time, and enter the reconvery mode (robot interface)
2. Press the power button first, then press the volume and the key at the same time, and enter the next step
3. Press the volume key to select the Wipe Data/Factory Reset option, and then press the boot key to enter the next step
4. Press the volume key to select the Factory Data Rest option, and then press the boot key to enter the next step
5. Press the volume key to select the REBOOT SYSTEM NOW option, then press the boot button to enter the restoration of the factory settings, wait for the restoration to complete