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Find some WD-40 spray in or take some pencil ends, anyway, just increase lubrication, see if you can pull it out, if it doesn't work, just call it unlocking.
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There's no way to change the lock.
Call to find the one who picks the lock. Don't break it to make it more troublesome.
If you really can't fix it, find a professional door lock! This way your lock cylinder can still be kept, if you stiffen it yourself. It is possible that the lock cylinder is also broken. >>>More
With the development of science and technology, many people are equipped with anti-theft doors at home, but they will also encounter various problems when using them, so what should I do if I can't take out the anti-theft door key? >>>More
Is the door open or not? If it's open, just buy a lock and replace it, if it's not open, call the door to unlock it.
Horizontally, vertically pulled, some key directions are more alternative, and you can only use a drill to drill off the lock cylinder.