Softwarebridge Fire HD 10

[Juergen (Jürgen Pansy)]

Most likely BLE connection issues with the Fire HD. It will certainly be faster with the dedicated hardware.
Problems like yours are the main reason why the software bridge has been discontinued.

Nuki Bridge app to be discontinued on 31 January 2021

We’d like to inform you, that with the end of January 2021 our Android software bridge will be discontinued and therefore is not available on the Google Play Store anymore. More information can be found on our blog: https://nuki.io/en/blog/nuki-news/update-on-the-nuki-android-bridge-app-with-the-end-of-every-era-comes-a-new-beginning/