How To Add A New Passcode For Y2-SF Keyless Fingerprint Door Lock?

How To Add Or Delete IC Card?

How To Change Y2-SF Electronic Keyless Door Locks Old Password？

How To Delete Y2-SF keyless entry deadbolt One Or All Passwords?

How To Install The Y2-SF Smart Biometric Fingerprint Door Lock?

How To Reset The Y2-SF Keyless Entry Deadbolt?

How do I set up a left-handed or right-handed door on the keypad of my Y2-SF electronic keypad deadbolt?

How To Change the Default Administrator Password on the Keypad?

How To Use Y2-SF Smart Keyless Door Lock?

What’s Included With The Y2-SF Smart Fingerprint Door Lock You Bought?