Lock screen

The lock screen is what you see once you wake a device up. It tells you to slide from left to right to unlock your device, followed by an optional passcode prompt. Several methods of bypassing the passcode prompt have surfaced multiple times in its lifetime.

• Method for iOS 4.1
• Method for iOS 6.1
• Method for iOS 6.1.3
• Method for iOS 7.0(.1)
• Method for iOS 7.0.2

Bruteforcing

The passcode can also be brute-forced if the device is jailbroken, and the passcode is simple (four digits). It takes under 20 minutes to crack a 4 digit numeric passcode, this is the standard passcode for many users.

Passcode length	Compexity	Time
4 digits	numeric (0-9)	18 minutes
4 digits	alphanumeric (a-z & 0-9)	19 days
6 digits	alphanumeric (a-z & 0-9)	196 years
8 digits	alphanumeric (a-z & 0-9)	755 thousand years
8 digits	alphanumeric, complex (a-z & special characters & 0-9)	27 million years

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