Bosch BME280 - For App 3.0 Board; Figure 11: Boot Mode Detected; Figure 12: Firmware Upgrade Completion

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Figure 11 : Boot mode Detected
 Select the default firmware update file (*.fwu2) from the DD2.1 UI installation directory in the folder Firmware.
 Click Flash.
 Once firmware upgrade is complete, restart the application board, and DD2.1 UI.
3.2.2 For App 3.0 Board:
To upgrade the firmware of DD2.1 UI to match the current version, follow the steps below:
1. Click Menu -> Settings-> Firmware Upgrade. The following window appears:
Figure 12 : Firmware upgrade completion