A 4-digit iPhone passcode is about as insecure as it gets, and this black box can figure yours out in just a few days. So it's time to consider better security.

Fourth, after tapping on “Passcode Options,” a menu with three options will appear. Tap on “4-Digit Numeric Code,” and enter a four-digit passcode when prompted.

Six-digit passcodes offer 1 million possible combinations instead of 10,000, making a passcode harder to crack.

While 4 digit passcodes are plenty secure and certainly more secure than no passcode, using the complex passcode option leaves intruders clueless as to how many digits to even guess adding an ...

Tips Simplify Apple TV app & content purchases with a 4-digit passcode, or disable password entry entirely Neil Hughes 12 Tue Nov 03 2015, 11:56 AM EST · 1 minute read ...

Apple does let people backslide. Tap Passcode Options, and you can pick the older 4-Digit Numeric Code. Most people never tap for options, however. Oh man, the @FBI is going to be pissed at this one.

May 1, 2014 - 5:00 pm Google today updated Google Drive for iOS with an optional passcode lock. The feature means you can now protect your documents with a 4-digit code.