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Look what the lock is, I've broken it before, and then I used needle-nose pliers to clip it out, you try.
It's really not good, or when you look for a change of lock, get it out, or do it yourself, the ability is not bad, and you can disassemble it yourself.
Look at it yourself.
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Try grinding the pencil lead into powder and pouring it into the keyhole, or filling it with some oil.
Hello, this left and right twist and pull down, if it doesn't work, you can only contact the repair shop master to help, thank you.
Add some oil to the keyhole and soak it for a few minutes.
It should be caused by serious wear and tear of the lock cylinder, and the best solution is to replace the lock cylinder. >>>More
Pour some oil to lubricate it first, and the vegetable oil you eat at home can be used, and then try it in a few days. >>>More
Generally, there is a problem with the bullet inside, it may be displaced, or it needs a professional to reset, and you can't do it without tools.