Patent ID: 9489518
Filing Date: 2016-11-08
CPC Classification: G06F

Claim Text:
1. A method for unlocking a screen of a device, comprising: detecting an inputting operation on the device for inputting an unlock password, the inputting operation causing one character to be inputted to the device; performing, in response to the detecting, a comparison to determine whether all input characters corresponding to a password indicator displayed on the screen match a preset password; unlocking the screen of the device if it is determined that all the input characters corresponding to the password indicator match the preset password; detecting whether one or more input characters are deleted between two inputting operations; increasing a number of times that the unlock password is incorrectly inputted by one, if it is detected that one or more inputted characters are deleted between two inputting operations; determining whether the number of times that the unlock password is incorrectly inputted reaches a preset maximum number of times; and locking the device if it is determined that the number of times that the unlock password is incorrectly inputted reaches the preset maximum number of times.