PiPO M8 pro - Manual (Page 34)

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9.4 Instructions of Installing Rock chip USB driver
If you do the upgrading for the first time, please install the Rock chip USB
driver in accordant with the bellowing instructions.
If you are upgrading via your PC for the first time, it requires your PC to install
Rock chip USB driver, after your tablet entering into upgrading mode, it will
pop out a guide advising you that the PC finds new hardware. Select manually
install and then click ―next‖
Select the USB driver in accordant with your PC system, the driver is included in
the ―RK batch tool‖. Then the PC will install the USB driver automatically. After