Hi
Oh,that is because the MCU firmware of your tone2 Pro is too old,you should update the MCU firmware by ST-Link.The method you can learn from this video.The MCU firmware you can download from here as the following picture shown.
Hi
Oh,that is because the MCU firmware of your tone2 Pro is too old,you should update the MCU firmware by ST-Link.The method you can learn from this video.The MCU firmware you can download from here as the following picture shown.