SamMobile , Updato, or specialized GSM forums. 3. Flashing Procedure Using Odin3
If you receive a "SW REV CHECK FAIL" error, it means you are attempting to flash a lower binary firmware on a higher U5 version. If you can share: samsung-j327a-u5-flash-file-firmware
If you are flashing to remove a Google lock, you may need the combination firmware to enable USB debugging, followed by flashing the stock firmware, or use a tool to bypass it. SamMobile , Updato, or specialized GSM forums