Try holding the two buttons in together until it reboots . If that doesnt help you may have to flash the firmware . See this post for the latest firmware
https://drive.google.com/file/d/1xa7e_4byI8UrTvZ62eMj_C_YVtalB57_/view?usp=drivesdk
Try holding the two buttons in together until it reboots . If that doesnt help you may have to flash the firmware . See this post for the latest firmware
https://drive.google.com/file/d/1xa7e_4byI8UrTvZ62eMj_C_YVtalB57_/view?usp=drivesdk