For a complete recovery or full update, select "allcode+bootloader" .
If using a USB adapter, verify the PL2303 or CH340 drivers are correctly installed on your PC. RS-232 Receiver Upgrade Instructions | PDF - Scribd Download File ALI_RS232_LOADER_UPDATE_V1.2.0.rar
Switch on the receiver's power at the back. The progress bar in the tool should start moving. For a complete recovery or full update, select