This problem occurs when we flash the ROM that does not match the device in terms of the version Baseband, Or when flashing a custom ROM by a custom recovery (TWRP) Or by the stock rom For example, Samsung A205FN Root U4 9 Frp Off Oem Off File a language has been added to it In this case, the encrypted number will check the status of the system When the system does not match the number, this error will occur, A red write will appear in the recovery mode