Is the Aqara U400 Worth Upgrading From U100? A Honest Look for 2026
The Aqara U400 brings UWB unlock, Matter over Thread, and USB-C charging. But is it worth upgrading from your U100? Here’s what real users say.
smart lock upgrade
The Aqara U400 brings UWB unlock, Matter over Thread, and USB-C charging. But is it worth upgrading from your U100? Here’s what real users say.