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Living With Smart Lock U400? We Want Your Story
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64
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3516
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February 19, 2026
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U400 - Troubleshooting Calibration Issue
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1
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12
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February 19, 2026
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No notifications from U400 lock when door is locked or unlocked
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3
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25
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February 19, 2026
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Created automatization to open the main door, but does not work
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2
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30
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February 19, 2026
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Faulty U200 - How to check ticket?
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2
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29
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February 18, 2026
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Aqara U100 Knob Cover Replacement and Removal Tool
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1
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14
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February 18, 2026
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Awesome response to replace latch u100
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1
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22
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February 17, 2026
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U400 keeps failing to communicate with hub and BT
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1
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29
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February 17, 2026
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Antena conector for u400 smart lock
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5
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30
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February 17, 2026
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U400 lock status on tiles
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1
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23
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February 16, 2026
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U400 Review - 2 Weeks with the New Lock
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4
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84
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February 16, 2026
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Should the U400 in Aqara app via a M100 have configuration like via bluetooth?
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2
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14
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February 15, 2026
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How to reset U300 lock without the admin password but have physical keys
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2
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26
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February 15, 2026
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U400 Auto Lock Chime Notification
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5
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80
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February 15, 2026
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My favorite smart device
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2
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25
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February 15, 2026
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Can't pair U200 via Matter to Google Home
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7
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56
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February 14, 2026
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A visit to Aqara HQ: Some personal impressions
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7
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120
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February 13, 2026
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Experience using U400
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1
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21
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February 13, 2026
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My (mostly positive) experience with the U400
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1
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37
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February 13, 2026
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Worth upgrading from U100 to U400?
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11
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182
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February 12, 2026
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Few questions before buying the U400 SmartLock
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6
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58
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February 11, 2026
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Aqara U200 lock new remote feature planned?
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3
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53
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February 11, 2026
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Is it possible to add an indicator sound for lock/unlock on the Aqara Smart Lock U400?
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2
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28
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February 11, 2026
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Living in the Netherlands and using Aqara U400
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13
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227
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February 10, 2026
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U100 Smart lock often blinks RED lock Symbol
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1
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12
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February 10, 2026
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U400 Automations
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1
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89
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February 10, 2026
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U400 Lock + Mini Switch - Creating a "Door Buzzer" Button
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3
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43
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February 10, 2026
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My experience with the U400 and my grandma loving it!
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1
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17
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February 9, 2026
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U400 - Homey Uses - Ask me any ill test it
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1
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19
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February 9, 2026
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U400 smart locks and Bluetooth
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5
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21
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February 9, 2026
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