How to remove a bedroom door lock video

The required tools are:A Phillips screwdriver and a set of corresponding door locks. The specific operation is as follows:

1.First, remove all the screws on the original door lock, as shown in the picture below:

2.Then remove the two screws holding the door lock, as shown in the picture below:

3.After that, you can remove the whole door lock, as shown in the picture below:

4.Then push out the door lock's lock cylinder, as shown in the picture below:

5. Then push the lock cylinder to be replaced back to the door hole, as shown in the following picture:

6. Then lock the fixing iron piece, as shown in the following picture:

7. Finally, re-lock the screws that fix the door lock, as shown in the following picture:

8. So the security door lock is changed, as shown in the following picture: