A :
* BLE LIB code --There is already an OTA program in the BLE LIB code, so users don't need to add any programs.

* OTA file –If you want to do OTA action, you need to convert the hex file into an OTA file. For the method, please refer to the OTA development manual in the corresponding IC, BLE LIB code \ OTATool directory in the FTP to deal with.

* OTA App –If you complete the OTA file, please see the OTA development manual, which will guide you how to use the OTA App to do OTA.

If the above operations are unclear, please contact AMICCOM's agent