It is probably a common issue with all the mobiles. Some register **bleep** taps, why it happens is probably a slight short circuit in charger or wire. Or not appropriate charger
First you need to change your unlocking method to PIN set your preferred code then restart your phone then unlock your phone then set it from PIN to fingerprint
Someone mentioned this as solution. Look for similar posts in forum. Sometimes those similar posts appear right on top or bottom of your own posts in which there may be solution
