Homekit not working after iPhone upgrade

Hi everyone

after using Apple devices, today it was the really most annoying iPhone setup I‘ve ever experienced.

After several startovers, as apps didn‘t losd from a freshly made backup, I am now stuck with a not working Homekit environment.

All devices in the Home-App are not connected anymore but on the iPad they are still fully accessible. The Ikea Tradfri App also shows the connection in the iPhone jut the Homekit don‘t seems the same way. I am absolutely not down for resetting the whole stuff with all automations….

Can anyone help me? I‘m having several lamps from Ikea Tradfri, iPhone 14 pro with iOS 16.2 running.everything is up to date and I also tried to restart everything from iPhone to router to Gateways. The iPad immeriately establish connection - nothing on the iPhone.

I am totally annoyed, sorry if this is shining through 🥸

thanks!