The anti theft door diagonal tongue can t be opened with a key, and it s okay to remove the handle

First of all, rule out where the damage is. Try it with the key first, to see if the deadbolt can rebound (if the key has nothing to do with the rebound deadbolt, then go directly to the next step), if the key rebounds is not a lock cylinder problem, on the contrary, a trace of twisting can not move, it can be a lock cylinder problem, if the twist half of the situation does not move, it may be a problem with the mechanical structure of the lock cylinder lock body; >>>More

Adjust the position little by little, you can only try a little bit, if you still can't get it open, the last thing is to find a lock company, they will be very professional and quite clever will be you. >>>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

This should be stuck by marbles or key teeth, you can try to put the key outside and inside the top point, really can't top the hand to get a screwdriver to knock it, and then rotate the key is no problem, after the key is pulled out, then use the pencil end or graphite powder to get more points on the lock cylinder and the key, back and forth insert and pull the key is very good to open, which is caused by poor lubrication.

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.