Ever since my S22Ultra came out from Service center at PS and had been using since Sunday,  I tried a few ways to save the battery no improvement,  last resort is to switch 60Hz. Any advise?

Just received the S22Ultra yesterday and had been using Samsung phones for a decade. This is the first time having a brand new phone with this problem. Even using the Z Fold 2 A525G and the Note series never had this problem,  what's going on with Sa...