Firmware - mongoose-os-apps/shelly-homekit GitHub Wiki
Version: shows the current version installed.
Build: shows the date time and build number installed.
Update: [Check] button checks to see if there is any new firmware available.
Revert to Stock: [Revert] button: reverts the device to the stock Shelly firmware.
Update from file: allows you to select a zip file to manually update the firmware.
[Upload] button: this will flash the selected file you choose to the device.