Suddenly my BV9500 doesn't accept my unlock-PIN any more. I'm very sure that I didn't forget or change it. I can still unlock normally with the fingerprint. But in order to reset my PIN I need to know it... is there a way to reset the PIN, without erasing the whole phone? Fingerprint is the only oth...

The OTA update fixed all problems with compass. I'm also using the app Sensor Sense to monitor the raw datas from sensors, and it looks like the output now is coherent and costant with any app. When checking beside a standard compass, i confirm the two compass stock apps point to the magnetic north...

My BV9500 has the same issue. In general focus is ok, but when doing videos in bad light it loses the focus all the time => unusable.
A helpful software fix could be a way to lock the focus, because initially it did focus well enough. (I only saw exposure-lock features so far.)