NB! You need to be in physical proximity of the lock and have your Danalock account information.
Go to the Danalock-app.
Find the lock you want to upgrade under "Keychain". When it's coloured press "Device" in the bottom right corner.
3. Press "Firmware upgrade".
4. Let it finish loading and then press "upgrade firmware". NB! Don't go out of the app until it has finished.
5. It will take approximately 30 seconds before the lock can be used after upgrade.