I use 2 of them with Zigbee2MQTT using this coordinator. It takes a while to interview (get basic information) them, but they work. My suggestion is to switch to Z2M (more control over devices/Zigbee network), and if the issues persist RMA the devices. I've done it a few times - Ikea simply sent me replacements, that why makes them better than off-brand Zigbee devices from China.
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I have a couple of Styrbar remotes, but I have connected them through the IKEA gateway and use the IKEA integration instead. So maybe they use some zigbee quierks, that ZHA is not aware of, for the battery level and firmware. I have not seen a firmware update for mine (I've had them a couple of years).
What dongle exactly and have you updated the firmware on that?
I have an old conbee II & they pair up just fine. I use a blueprint to take action on the zha events they fire when buttons are pressed.
Thank you, updating the firmware was the issue. Added this to the Original Post. :-)
Magic :)
As Sonoff doesn't seem to offer invoices, I'm not sure if it is a ZBDongle-P or -E, but I will check out updating its firmware, good thinking!
I've been using Styrbar remotes with ZHA and ConBee II USB stick. At some point I had an issue with some new device and had to upgrade the ConBee firmware, but I don't remember which one. Probably the old ikea motion sensor.
Please be aware that there has been some major regression in styrbar firmware released last year. Not sure if all the issues are fixed by now.