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No, you need a key.
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No, the handle controls the deadbolt hair, but the fire door can.
The person inside opens the anti-lock knob and turns it 2 times upside down, and then the person outside opens the door with the key. If it can't be opened, the lock is inferior, or the key is not the original, you need to find a lock company to change the expensive lock!
The word insurance is automatic inside the lock. If you want to open it, you can only open it by manually pressing the insurance if the door is already open.
Can't open it. It takes about 100 to open the security door. It depends on the place. There will be different ones. You don't need to change the locks.
You are responsible for your own misconduct.
Use a magnet or glue dipped in glue into the key hole to take out the broken one.