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Tell me the brand of the security door and the shape of the key. Anti-theft door. Inside and outside can not be inserted at the same time, the side of the back plug can not be turned, and there should be a lock plate lock cylinder and the cover plate of the handle is not in a straight line, you put the handle snail loose (do not remove) and then move left and right and then use the key to try, if moved to which seat the key can be turned, and then the snail.
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It may be stuck, try against the door, or it will be a lock cylinder problem.
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e came to Dongguan in S
If the installation is less than a year to find the merchant who sells the door to you, if it is more than a year to find a lock company.
If you lock the door with a hairpin or chain indoors, the thief has no choice but to break the door to open it.
Hit bai through the cat's eye
There are several DU prerequisites for opening the security door, let's take a look at it below. >>>More
First of all, don't break the key, find a hammer to smash the lock around, the action is subject to not destroying, and then turn the key. The lock is out of order, and it shakes the man.
You ...... windowGenerally, some people don't lock up.