Battery drain issues

[arjunajay]

Facing too fast battery drain after January security patch update. Does anyone else facing the same issue?

[ZUS]

Its happening to me as well after updating my S21 FE

[Samsung_specialist]

Kindly make sure to use an original charger, try to diagnose the battery from the settings > battery and device care > Battery. Otherwise, visit the service center

[Rojer30]

Just two days I use my new s21 plus facing battery issues while using mobile, battery draining fast . I am using original adapter and cable , please suggest solution