I am having the exact same issue. I bought Blackview BV9900 Pro last week and I am having this same weird problem since day one. It will happen at random times of the day, once or twice each day. Same as described by StGabriel - the phone appears to become unresponsive, it will not wake up when I pr...

I am having the same issue, I bought Blackview BV9900 Pro last week and I am having the problem since day one. It will happen at random times of the day, once or twice each day. The phone appears to become unresponsive, it will not wake up when I press the power button on the side, nor if I try to u...