Still galaxy A55 on april security patch.other low budget phone also getting june security patch 

My galaxy A34 draining battery very fast.anyone facing this kind of issue

when unlocking phone using fingerprint its lagging and phone slow downing for 2 to 3 second in galaxy A53. If I disable fingerprint unlock and its working .pin/password/pattern unlocking also working smoothly .

My galaxy A53 is different option in settings about phone in software section.my brothers phone not showing like this regulatory option.what is this regulatory?Cover image

Any galaxy A73 user ?can some one please tell me the performance of the phone.