looks like firm version 1.4, based on response, and compared to datasheet: AT+MQ XZX-BK3254-V1.1 AT+SPIN+1234 AT+MP PN: 0000 COM+SPIN+1234 BT_WP OK IA IA BT_WP AT+MP PN: 1234 AT+MN NA: TEST139 COM+SPIN EEROR COM+MPM0 //"MPM0" //Repeat All Tracks (TF/USB disk mode) correct: PLAY_ALL\n / error: ERR\n; from firmware 1.4: correct: PLAY_M0 \ n PLAY_M0 COM+MPM1 //"MPM1" //Single loop (TF/USB disk mode) correct: PLAY_ONE\n / error: ERR\n; rom firmware 1.4: correct: PLAY_M1 \ n PLAY_M1 AT+MP PN: 1234
looks like firm version 1.4, based on response, and compared to datasheet: AT+MQ XZX-BK3254-V1.1 AT+SPIN+1234 AT+MP PN: 0000 COM+SPIN+1234 BT_WP OK IA IA BT_WP AT+MP PN: 1234 AT+MN NA: TEST139 COM+SPIN EEROR COM+MPM0 //"MPM0" //Repeat All Tracks (TF/USB disk mode) correct: PLAY_ALL\n / error: ERR\n; from firmware 1.4: correct: PLAY_M0 \ n PLAY_M0 COM+MPM1 //"MPM1" //Single loop (TF/USB disk mode) correct: PLAY_ONE\n / error: ERR\n; rom firmware 1.4: correct: PLAY_M1 \ n PLAY_M1 AT+MP PN: 1234