1.Preparation:
Android OTA app: nRF Connect
OTA upgrade file: BT630_XXX_Update.zip
2.OTA Upgrade Steps:
(1) Upload OTA upgrade file into an android phone
(2) Open nRF Connect app to search and connect with the target device
(3) After getting connected with module, click the “DFU” at the top right
(4) Select the file type “zip” and click “OK”
(5) Select the OTA upgrade file:
(6) App will disconnect and then re-connect to update, wait until update process completed
