ST STM32Cube Quick Start Manual page 23

Firmware Update – FFOTA for STWIN.box
DATALOG2 and PDetect are not the default firmware,
so they need to be downloaded on the board by the
user.
The default firmware for STWIN.box enables Bluetooth
pairing via NFC and fast firmware over-the-air upgrade
through the ST BLE Sensor app.
By turning on Bluetooth and NFC on the smartphone
and placing the smartphone on top of the NFC
antenna of the STWIN.box, the smartphone reads the
Bluetooth pairing information and automatically loads
the ST BLE Sensor.
The above procedure is available only for STWIN.box. STWIN and SensorTile.box PRO default firmware do not
enable Bluetooth pairing via NFC.
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