How to open the security door without a key

You can find a professional locksmith who has registered with the public security organ to solve it!

It is recommended that you find a special lock picker to open it, if you force it yourself, it is not only easy to break the door but also time-consuming.

Find a locksmith to open it.

Teach you how to open a lock with a lost key.

The lock body of the theft door is broken, and it must be operated by professionals such as lock-picking companies or professionals of the anti-theft door, because the internal structure of the lock body is complex, and the lock body is connected to the upper and lower lock posts, and it will be more troublesome to dismantle it badly, so the general non-professionals should not move.

The anti-theft door has no key to see whether the key inside is on the main lock, if the main lock is on, the outside will definitely not be able to open, the locksmith is also helpless, can only violently unlock. If the key inside is only inserted and not locked, the handle panel on the outside can be removed and the lock can be unlocked by turning the diagonal tongue.

If you don't have a spare key, you can only go to a locksmith to open it for your safety, and remember to find a locksmith who has a qualified public security system for the record.