Armindo replied at 2020-5-1 18:27
Hello,
Press the power button and the volume - during some seconds.
Then press the power button and ...
Hello,
i have tried several times without any result.
Umidigi support does not respond and forward to seller, who no gives solutions.
I think the screen is defective, but seller is not providing me a new one.
I am really disappointed.
Charge the phone.
After some minutes the the display shows the battery charging.
When it is charged with more than 10%, you can turn on the phone.
After the phone turns on, go to settings and update the android.
There is an update (13-05-2020) that resolves the problem
of the phone suddenly turning off
I have tried several times, but the screnn after first boot still black.
The phone seems running, but the screen is total black.
I have done also a factory reset without success.
I have no other idea.