I have no idea, what is happening with my sons phone, maybe anyone has an idea:
My son changed his pin and forgot it, so after numerous tries, we had to reset the whole phone. I never update the firmware, so the firmware version was MIUI 10.3.5.0 from Summer 2019, when we bought the phone. After resetting, I decided to update the phones firmware to the current MIUI 12. No problems so far, but in the next morning, we saw the battery drained over night 40% with no interesting apps in the...
Read more
My son changed his pin and forgot it, so after numerous tries, we had to reset the whole phone. I never update the firmware, so the firmware version was MIUI 10.3.5.0 from Summer 2019, when we bought the phone. After resetting, I decided to update the phones firmware to the current MIUI 12. No problems so far, but in the next morning, we saw the battery drained over night 40% with no interesting apps in the...
Read more