Due to increased complaints about missing and/or poor connectivity with firmware v2.2.0, here is a downgrade link to v2.1.8
To downgrade to v2.1.8 (use the relevant IP)
http://192.168.178.xxx/ota?url=http://archive.shelly-tools.de/version/v2.1.8/SHTRV-01_build.gbl
A little patience and a second attempt may be required