I have a s21 ultra and it's frp locked I bought it online and it ended up being frp locked I tried flashing and doing everything else but it doesn't work do
FRP LOCK ON Can't ODIN firmware... Lord help me. | XDA Forums
100% Fixed: SW REV. CHECK FAIL (BOOTLOADER) DEVICE All Samsung Mobiles and Tablets (2020) - YouTube
Galaxy S8 SM-950F Stuck on Logo, FRP LOCK: On OEM Lock: On | XDA Forums