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Asked, in this case, you can completely open it for you by the person who repaired the lock. Don't force it, just make a phone call and they'll be there right away, and they can fix it for you right away, don't worry.
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It's good to find a lock picker to help you adjust it, sometimes you can't get it yourself.
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
It is possible that the block inside the lock cylinder is broken. Open it to see, and if it's this problem, change the lock cylinder. At present, the highest level of anti-theft is the C-level blade lock, which can be found on a certain treasure, and the price is about half cheaper than that of a physical store. For example, Baodi C-class blade lock cylinder.
Call 110 and find a qualified locksmith who can guarantee that you will enter without breaking the door lock.
Go to the decorative materials market to find a lock that specializes in selling locks, and the price is generally about dozens of yuan. Don't go to the locksmith company to give you a dead expensive one.
1. How to replace the broken door handle of the anti-theft door. >>>More