If you removed your fingerprint and issues occur when you re register your fingerprint...
Then guys please clean and dry your fingers/thumb and try to register carefully scan your whole finger... it might help you and your finger may be registered...
After 7-8 unsuccessful attempts i have finally registered my fingerprints in my Device A50 after updating November Security Patch
issue has been solved try below method.. go to settings -> General Management -> Reset -> Reset Settings -> click on reset settings than try to add fingerprint.. this method helps 100%...
