1/ Every time i start the system
i get this message "process system isn't responding"
I try a facory reset or wipe data,cache, every time the same message.

2/ Second problem, when you try the flashlight with tools like power toggles or flash alerts 2,
you can't , try with root.

3/ A question: In the menu security, can you disable encrypted phone?

1&2. Please try to refurbish your phone.
3. Did you make that phone number?