Installing Your Aqara Smart Lock U100

Intermediate 30-45 minutes

What You'll Need

  • Aqara Smart Lock U100
  • Phillips head screwdriver
  • 4 AA batteries (included)
  • iPhone with Aqara Home or Apple Home app
  • Aqara Hub (optional, for remote access)

Step-by-Step Setup

  1. Check door compatibility: Standard US doors with 2-1/8" borehole, 1-3/8" to 1-3/4" thickness.
  2. Remove existing deadbolt: Unscrew and remove your current lock completely.
  3. Install the latch: Insert the U100 latch assembly into the door edge.
  4. Mount exterior assembly: Attach the fingerprint/keypad unit outside.
  5. Connect interior assembly: Feed cable through and secure interior unit with screws.
  6. Install batteries: Insert 4 AA batteries in the interior compartment.
  7. Open Apple Home app: The U100 supports native HomeKit - scan the setup code on the lock.
  8. Complete HomeKit pairing: Name your lock and assign to a room.
  9. Register fingerprints: Use Aqara Home app to add fingerprints for each user.
  10. Set up Apple Home Key (optional): Enable Home Key to unlock with iPhone or Apple Watch.

Key Features

  • Apple Home Key support - tap iPhone/Apple Watch to unlock
  • Native Apple HomeKit (no hub required for basic use)
  • 3D fingerprint sensor with liveness detection
  • Backlit keypad for PIN codes
  • Physical key backup
  • Auto-lock feature
  • ANSI/BHMA Grade 2 certified
  • Works with Siri voice commands

Troubleshooting

  • Home Key not working: Ensure lock firmware is updated. Remove and re-add Home Key in Wallet.
  • Fingerprint recognition slow: Re-register fingerprint. Ensure sensor and finger are clean.
  • HomeKit pairing fails: Reset lock to factory defaults and try again. Ensure iPhone is on same WiFi.
  • Remote access unavailable: Add an Aqara Hub or Apple Home hub (Apple TV/HomePod) for remote control.