How can I update the firmware of the brennenstuhl®Connect WiFi smoke and heat detector WRHM01?

1. Open the brennenstuhl®Connect app
2. Open the device in the device list
3. Start the update for the smoke alarm device
4. Wake up the smoke alarm device from sleep mode by pressing and holding the test button until the red LED in the housing starts to flash
5. Update starts
6. Keep app open and observe the progress
7. If the update stops and the smoke detector is back in sleep mode, press and holding the test button until the red LED in the housing starts to flash
8. Update is completed and confirmed

If this does not work, please clear the app's cache. After clearing the cache, perform the above steps again.

Here's how to clear the cache:

1.                                                                                 2.

Wake-up of the WRHM01 by functional test: