How to open the security door and repair the structure inside

The first step is to use the key in your hand to push hard twice on the outside, and if the key inside is horizontal, it can be pushed out. The problem is easily solved, and the jack can be twisted out. >>>More

This is the easiest, the general safety is loosened, the knob is opened, the lock is necrocuted, and you use a screwdriver to disassemble the inner lock and open it all at once. >>>More

At that time, I spent money to find someone to change it, and called him to ask him to come and reinstall it; If it's your own, reload it too; The initial diagnosis should be that the lock cylinder is not installed correctly or the lock cylinder model is not suitable.

The anti-theft door is equipped with an anti-theft lock, which can resist abnormal opening under certain conditions within a certain period of time, has a certain safety protection performance and meets the corresponding anti-theft security level. Generally speaking, the part of the lock body that can be controlled by the key on the outside, if you are inside, how to lock it, of course, can be opened. In fact, many locks can be seen that there is a small lock inside the door, and there is no keyhole outside, so you can't open it outside. >>>More

The door is locked on the outside may not be able to open, you need to see what kind of door it is, if it is inside and outside can be used with a key, 32313133353236313431303231363533e58685e5aeb931333433663065 can be opened; If it is a double-safe door or the door has only a small lock inside, it cannot be opened. >>>More