USB thumb flash format steps

Step 1: EAI80 connects a type C cable with a NB then connects a battery then connects a serial cable with EAI80 GPIO pin6, pin8, pin10.

Step 2: Open the terminal then login root then command: ls /dev/ttyUSB* (for checking ttyUSB0 and ttyUSB1)

Step 3: Type minicom (press enter), press CTRL-A Z W then press space button and reset button both simultaneously then press enter.

Step 4: Type help (checking upgrade mode)

Step 5: Command: usb format (press enter) go (press enter)

Saving image from EAI80 flash to USB thumb flash steps

Step 1: Command: minicom –D /dev/ttyUSB1 –b 115200 press CTRL-A Z W then press space button and reset button both simultaneously press enter.

Step 2: Command: usb save 1:bpi.bin (press enter) -> go (press enter) Remove type C cable -> insert the thumb flash (start saving)

Step 1: Command: usb restore 1:bpi.bin (press enter) go (press enter)