So, latest code: uart = UART(1, 9600, timeout=3000, rx=17, tx=16) uart.write('+++\r\n') print(uart.read(100)) uart.write('AT\r\n') print(uart.read(100)) uart.write('AT\r\n') print(uart.read(100)) uart.write('ATZ\r\n') print(uart.read(100)) time.sleep(2) uart.write('AT+CGATT=0\r\n') print(uart.read(1...