The Battery drain of my S10+/S10 increased after updating the firmware for Biometrics security patch. Why?
Recently Samsung has released new firmware for better improved Biometrics(Fingerprints) security.
This update is available on notification panel and you should manually reboot your device for avoiding
battery drain fast issue after downloading new firmware in order to complete Biometrics patch installation.
Please check your firmware version on following path :
Settings > Biometrics and security > Biometrics preferences > Version
You should reboot your device to completely finish new firmware(184.108.40.206) update.