What should I do if my vivox9 phone can't be turned on after it is restored to factory settings?

1, turn it off first, then press and hold the volume ++ power button for a few seconds at the same time, and then enter the recovery mode for double clearing (in the recovery interface, select Wipe.

Data/factory

Reset (erase data area) and erase

stash

Partition (erase buffer) operation.

2. If it still can't be used after the above treatment, it is recommended to download the ROM and the brush program from official website and try to brush the machine.

3. If the above methods are ineffective or fail to start, it is recommended to send the equipment to the official after-sales service center for inspection and handling by engineers.