When I try to unlock my whatsapp in nothing phone 2 using my fingerprint lock, sometimes it doesnt recognise the fingerprint or does not even scan. I have to reload the app to make it open again. So if I am trying to share a file from google photos or something, because of this problem, the selected photos/ documents gets unselected and i have to the whole thing again and this is little frustrating. Please look in to this bug.