How long does it take to approve the review after the replacement certificate is submitted?

If you apply to replace the PID which is using OEM firmware, the system will approve it in 3s after submitting. If you want to replace the PID which is using customized firmware but generated from OEM PID, the system will also approve it automatically in 3s after submitting it. For other cases, using MCU common integrated firmware, for example, the review will be finished in 2 working days.