Why my Blackberry hang when try to unlock

[osamamansoor]

I have Blackberry KeyOne what happens randomly when I try to unlock the phone the phone is freeze / hang until I reboot the phone after reboot it's asking for a pattern to unlock the phone.
Also at the same time call has been picked by another person is unable to hear me and it looks like complete freezing situation.

 

[B. Diddy]

Welcome to Android Central! How often does that happen? If it's pretty frequent, try booting into Safe Mode, which can help you narrow it down to something you installed vs. a system problem: https://www.hardreset.info/devices/blackberry/blackberry-keyone/safe-mode/