Holding VOL + sp flash tool problem

mine is worst cant even regocnisging the phone

i think you need re-install drivers. put battery in, don`t turn on and plug usb , it should be able to detect.

same problem on my umidigi a7 pro

it's 2020, solved? thanks!

Put the battery into your device

Put the your phone down it should work now

I have this problem on my lenovo tab 3 8.

solved?

Dude have you solved the problem