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How would you change code to pair each phone rather than having to enter password each time? I live in condo with five apartments on the floor, so hallways are very quiet..
Reverse the setup by mounting the lock on the jamb with long screws. Then attach a plate with matching hole for the bolt (some slide bolts come with a transverse plate) on the edge of the door, The intruder would have to shear the screws in the door