Fingerprint sensor calibration needed errors

[saminadeem123]

Hi samsung my mobile samsung a30s problem fingerprint sensor calibration needed please help me 

[MZYR]

The only and simple ways you can do are :
Remove all fingerprint record and re-add again.
Wait for an update or security patch.
Reset your phone.

If above doesn't resolve your problem then your phone is an old model depends on it's usage/handling.

[saminadeem123]

Thanks but not solve problem

[RanaRana321]

Hi Samsung my A51 says it needs fingerprint sensor calibration if you can help me than please help me