Remove the two screws from the latch assembly on the side of the door.
How to change security door lock.
Most electronic locks come with two screws that you need to remove from the inner part of the door.
If your new lock is the same brand and model as the old one you may be able to keep your existing latch plate and strike plate.
Remove the strike plate on the door jamb as well.
The most comprehensive method of ensuring security it involves removing the existing lock from the door including the handle if it s a handle lock combo and then installing.
Do not skip this last step.
Turn over the lock so its keypad faces downward.
Use a phillips head screwdriver to unfasten the two or three screws located on the inside knob plate.
Buy a grade 2 or grade 1 door locks rekey the locks you ve bought to match your existing house key make sure your door does not need a lock extension kit remove the old lock replace the lock latch install the new lock body check for proper lock alignment.
You may also need to use a wire tool or a paper clip.
Remove the screws from the old lock on the inside of the door.
First remove the lock from your door following the manufacturer s directions.