The security door can t be opened, how to remove the lock

Generally, it is dismantled from the inside, there are special iron sheet tools, you can also try to use a dollar coin to turn, it is recommended to remove the traditional cat's eye, replace it with the latest intelligent anti-theft cat's eye, home security is more guaranteed. >>>More

Summary. Hello friend, if you want to change the lock cylinder, just take a screwdriver and remove the outer handle. Remove the overall large screws on both sides of the security door, and after opening it, you can see the lock cylinder inside, he has two screws to fix, remove the two small screws, so that they can be replaced. >>>More

Isn't it a long time since it opened.

It's kind of connected. >>>More

It's easy to dismantle. No way. Or you'll find a lock. They'll get it for you. It's best to buy it at the place where the lock is changed. He can help you get it. It can also tell you.

It must be opened, and there is a fixing screw on the side of the door at the lock cylinder, which must be removed before the lock can be changed.