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Buy a pair on Taobao or buy it at the local hardware market, and you can change it by yourself, you need a cross and a pair of needle-nose pliers!
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You can change to the same model, or the same model of the upgraded version.
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Can be replaced, last year my house was stolen, the lock was destroyed, and the unlock was replaced. What is locked in their hands now is faster than 'opening the door in Huang Hong's sketch'.
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If you can change it, you can change it when you put it on.
I've also seen the locksmith upstairs, and the lockpicking is super fast, and my lock is done in 1 and a half minutes.
In fact, it doesn't work to change any lock and break down the door violently. >>>More
It can be exchanged. You'll have to remove the lock cylinder and take it to the hardware store. Or a store specializing in locks. >>>More
You can directly change the lock cylinder, the standards for this part should be unified, buy a lock cylinder yourself, and let the master change it
You can find a lock repairer to prepare the lock cylinder by yourself or the master to prepare.
It depends on what type of security door your home is, and it can basically be replaced now.