Obtain Firmware Version

FeasyBlue App

After establishing BLE connection between the FeasyBlue App and the FSC-BT909C , check the firmware version information on the Configuration page.

The profile of the Bluetooth module needs to enable the BLE (GATT) profile.

Example:

AT Command

Send the AT+VER command via UART to check the firmware version information of the module.

Example:

Send:     >>AT+VER
Response: <<+VER=BT909C,V2.2.1,20230103   //Example, please refer to the actual reading 
Response: <<OK