Aqara can be very picky devices. I have gotten to stability w/them over time on both C7 and C8, since 2023 after my post above back in 2022.
Typically Aqara device stability is accomplished via adding repeaters to your hub that the Aqara devices seem to like. Those seem to include:
- SonOff USB Dongle P
- Tuya tiny USB repeaters
- Ikea plug repeaters (though I see you haven't had good luck w/these)
If you really want to use Aqara devices then you probably need to experiment w/adding some of the Sonoff or Tuya repeaters. There are lots of alternative devices that work fine on HE so unless you have a particular reason why you want to use Aqara, might be better to change to other more compatible devices.
