Hello,
Some points for your considerations:
- Which project are you using ?
Did you use any of the examples available for Sensor-tile ?
https://www.st.com/content/st_com/en/products/evaluation-tools/solution-evaluation-tools/sensor-solution-eval-boards/steval-stlkt01v1.html
- This sub-forum is for BLE-Mesh. Are you talking about Mesh project ? In this case the App to be used shall be the Mesh App and Not Blue MS App