There is only one anti lock button inside the anti theft door, and the key cannot be locked from the

If you don't have a spare key, you can only find a lock company, but your anti-theft door is the kind of anti-theft lock, and if you don't have a keyhole outside, you can only change the lock.

Hello, after any security door is locked, the door can be opened outside with a key. Because when the key is turned, not only can the movable tongue be opened, but also the square anti-theft deadbolt of your reverse lock can be opened, so the key must not forget to pull out, I hope it can help you.

1. You can use the key in your hand to push twice on the outside, and if the key inside is horizontal and can be pushed out, the problem is solved. >>>More

The key Luling key can be opened inside and outside to prove that the lock cylinder is normal, and the rotary button of the small anti-lock inside can not be rotated, is there a small iron pillar that can not be locked, that is the anti-lock stuck staring at the stove. Solution, there are two screws on the inside handle of the door, and the doorknob will fall off, and then you will see that the small anti-lock knob inside sticks out an iron bar (scientific name pin) with a flat-mouth screwdriver to insert the pin into the position and turn it hard, and finally use a knife to scrape some toner on the pencil, blow it to the post of the small lock, and open it repeatedly with a screwdriver, and it's fine.

If you have a key, you can open it, unless the lock is faulty.