Why did the WiFi notification light flash 5 times and then emit a steady light for 2 sec during setup? Nicholas McCann July 12, 2021 09:12 Updated This indicates a successful firmware update has been completed. For further details on Mitte Home nofications please see our Notifications overview article. Related articles How do I insert the CO₂ cylinder? What is a cartridge flush and how often do I need to perform it? How do I perform a cartridge activation? Can I use a 4G / 5G connection with my Mitte Home? How do I update the device firmware? Comments 0 comments Please sign in to leave a comment.