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Anonymous users2024-01-23Insert a suitable screwdriver into the keyhole, twist the lock cylinder with both hands and it will break, dial it out and discard, and then dial the paddle in the keyhole, and twist it with a screwdriver a few times to open it (like twisting the key).
Usually a security door has 2 A keys, 5 B keys, and 1 C key. The A key, also known as the "worker's key", is used by workers during renovation. At the end of the renovation, use the C key to turn around in the lock, and the A key will automatically become invalid, and you can only use the B key to open the door. >>>More
Yes, just use a tool to remove the outer handle, and then smash the lock cylinder to open the door.
This is to see if there is a ring in your keyhole, the direction is adjusted wrong, and there is a possibility if you look carefully, that is, the new lock, the marble is not lubricated, take a pencil and scratch it on the key a few times, or use a knife to cut off some foam, poke it into the keyhole, and try back a few times. >>>More
Not necessarily the door is broken! Generally, there is a small pimple on the inside of the security door, and if you twist it, the key on the outside will not be opened. It's the last level that locks it. >>>More
Wang Li couldn't open the lock because there was no original key, only a broken door, and he opened the lock after entering the door by hand.