Xiaomi Smart Air Purifier 4 Compact Filter

Xiaomi Smart Air Purifier 4 Compact Filter

1. 1. Power Off: Turn off and unplug the air purifier.
   2. Open Base: Turn the purifier upside down and rotate the filter base cover counterclockwise to unlock.
   3. Remove Old Filter: Pull out the old filter.
   4. Install New Filter: Insert the new filter, align the marker, and turn clockwise to lock.
   5. Reset Filter: While on standby, press and hold the power button for 7 seconds until it beeps. 
      Xiaomi Smart Air Purifier 4 Compact Filter every 6–12 months by turning the unit upside down, rotating the base counterclockwise, and swapping the filter.