Hi

I just updated my A8 with OTA and all went well (No errors) but after rebooting by itself after installing the upate:
android-Logo with red "!" and "No command"

How can i fix it? Flash it? with what? How?

I bought the new r7 and am happy with it in general. Only one big issue: The ambient light sensor does not work. It always shows me 132 lux. No matter if i am in complete darkness or in direct sunlight. I tested with various apps and all tell the same: 132 lx I am on android 6 (Original firmware, ca...