iPhone password can be secure if you know this tips

The problem arises when 10 thousand likely to shrink sharply to 24 possibilities only. Why can? Try to activate the code, then lock again, then after the screen lights off, you tilt the phone, and saw your fingerprints on the screen that shows the combination of an activation code.

iPhone password can be secure if you know this tips

So no one can guess by using this way, there is one useful tips, which use a number twice. That way, the likelihood will increase from probability of 24 to 36.

It is not too significant, but can at least try.

IPHONE typically uses a unique four-digit (0-9) to be an activation code when locked condition. Of the four different numbers, there are 10 thousand possibilities to penetrate.