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If the key is not wrong and the key can be inserted to the end, take out the key, see clearly the side with the small round groove engraved, insert the key, press the key gently upwards towards the side with the small round groove, and then turn the key; If you can't open it, press the key gently downward towards the side with a small round groove, and then turn the key.
After repeated trial and error, the door can usually be opened. If the key can't be inserted to the end, you can only ask the master.
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30-50 yuan to find a lock picking company. Most properties have telephones.
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Be skillful, or ask someone else for help.
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Try to pull out the key a little bit and twist it.
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Look for a lock phone, 50 yuan can do it. It is best to find the property to provide a lock phone to avoid theft.
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Find a lockpicking company
You can find a lock-picking company, and then find a lock-picking company to replace the locks after opening.
It is possible that water vapor enters the keyhole, sticks to more water vapor, freezes, and causes the keycore to deform, it is best to soak the key with hot water, and then open it, and remember to go home and get a hair dryer to blow the keyhole after opening.
1. Because the safety bolt button inside the door is loose, the safety bolt is shaken down by excessive force when closing the door, and the lock cylinder can be rotated with the original key, but the door cannot be opened. >>>More
Go to the administrator fingerprint and reset it.
Call 110 and ask for professional lockpicking help. 110 linkage has this line.