Aside from biometric forms of authentication, includingfingerprintandfacial unlocksystems, the humble Personal Identification Number (PIN) remains the go-to method of preserving sensitive files on both mobile and PC. The oddAndroid pattern unlock aficionadonotwithstanding, most of us rely on punching in PINs on at least a semi-regular basis.

Back in the day, 4-digit PINs were the standard. These days, however, most operating systems default to asking for a more secure 6-digit PIN during the device setup process. The reason for this is clear: put simply, longer PINs are harder to crack into, and they do a better job at securing the contents of your various electronic gadgets.

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Why should I switch over to a 6-digit PIN?

It’s all in the name of security

A 6-digit PIN may only be 2 numbers longer than the typical 4-digit PINs that we’re oh-so familiar with, but the slightly longer string of digits makes a world of difference when it comes to the robustness of your security setup. Mathematically speaking, and putting aside other variables, a 6-digit PIN has one hundred times the number of possible combinations than a 4-digit PIN does.

There areconflicting studieson the real-world significance of using a 6-digit PIN over a 4-digit one, with many researchers citing the human tendency to rely on highly predictable strings of numbers. Regardless, opting for a 6-digit code is always going to be a safer bet, and it provides that little bit of extra peace of mind as you go about your day.

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How to switch to a 6-digit PIN on iPhone and iPad

The process is the same across both iOS and iPadOS

To switch your existing 4-digit PIN over to a 6-digit PIN on iOS or iPadOS, follow these steps:

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How to switch to a 6-digit PIN on Android

Most Android skins make it easy to switch over

To switch your existing 4-digit PIN over to a 6-digit PIN on Android, follow these steps:

Note that some Android phone makers customize the Android interface to one degree or another. The basic process is similar across brands like Samsung Galaxy, Google Pixel, and OnePlus, but exact verbiage and organization of settings varies on a per-brand basis.

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How to switch to a 6-digit PIN on Windows

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To switch your existing 4-digit PIN over to a 6-digit PIN on a Windows-based PC, follow these steps:

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How to switch to a 6-digit PIN on macOS

The steps for macOS diverge from those of iOS and iPadOS

To switch your existing 4-digit PIN over to a 6-digit PIN on macOS, follow these steps:

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A lock and passcode rendering.

6-digit pin steps for iOS and iPadOS