Hello!
I need help with my mx4pro.
I tried to change the firmware and after restart of phone and after optimixing applications, the screen flicker in a blue and dark screen.
After this, I tried to put another firmware with recovery from pc, but, when arrive to ptess start button,  require a pssword and I have not ideea about can I to do.
I tried with some combination and I see that only 5 charachters is allowed.
Can you help me, please?