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If you can still get the broken key with a tool clip like a vice or needle-nose pliers, you can try it yourself and don't poke it inside! Don't try to glue it out.
If not, find a locksmith.
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Find a random unlocker on the small advertisement in the corridor.
In such a situation, don't panic, and don't dig with things. >>>More
Just go buy a lock guard.
If the security door is out of power, take the spare key to open it!
The anti-theft door lock is because you are still using the lowest anti-theft lock equipped by the developer, and now most people have replaced the smart door lock, and more people have changed the non-hole anti-theft door lock for security, and they don't need to use the key to open the door, fingers, passwords, and mobile phones can be used as keys to open the door, and you don't have to worry about the door lock and forgetting to bring the key.
Do you mean that the small button on the handle is folded or the small button of the lock body control is broken, if the former replaces the inner handle, it is good to replace the lock body.