In the board all the leds are connected for 4g stat (Directly to the A7670 chip), power on, and the other 2 for GPIO ERR and GPIO ACT (in the UART0 of the ESP32) so in this case you cant use this leds.
In the board all the leds are connected for 4g stat (Directly to the A7670 chip), power on, and the other 2 for GPIO ERR and GPIO ACT (in the UART0 of the ESP32) so in this case you cant use this leds.