... .2. Change factory passwordFirst step: press "0" for 5 seconds,lock sounds "tick", red light lights up, release button at ... of registering temporary fingerprint:First step: press "1" for 5 seconds,lock sounds "tick", red light lights up;Second step: then ... been changed successfully.Register Fingerprint2.5.1 Register management fingerprintFirst step: press "1" for 5 seconds,lock sounds "tick", red light ...