You may also need to use a wire tool or a paper clip.
How to change security door lock.
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.
Do not skip this last step.
Remove the latch assembly doorknob.
Turn over the lock so its keypad faces downward.
First remove the lock from your door following the manufacturer s directions.
Remove the two screws from the latch assembly on the side of the door.
Check the back part to find the screws that are holding on the back cover.
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.
Most electronic locks come with two screws that you need to remove from the inner part of the door.
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.
Then remove each side s door knob by pulling them away from the door.