The battery is faulty, and is pushing the casing outwards. Now the phone only cycles on/off. See significant marks to screen as well. SPARES & REPAIRS ONLY.
Samsung Galaxy S21 5G - FAULTY, BATTERY BAD
Faulty Samsung Galaxy S21 5G - 128GB - White - Damage
Faulty Samsung Galaxy S21 5G - 128GB - Pink - cracked
Samsung Galaxy S21 5G - 128GB Grey Faulty Screen Not Working FRP Issue
Samsung Galaxy S21 5G - 128GB Pink Faulty Screen Not Working FRP Issue
2x Samsung Galaxy S21 5G Navy And Pink Faulty