How to

How to turn SIM PIN on and off on iPhone

Learn how to enable and disable a SIM PIN on your iPhone. Securing your SIM card with a Personal Identification Number is a great way to add another level of security to your phone and make sure that even if the device itself becomes compromised, your cellular plan can remain somewhat protected.

How to filter App Store reviews

On iOS 10 and earlier, reviews could be sorted by app version. With iOS 11.3 and up, iPhone and iPad users have the ability to filter app or game reviews in App Store by four different categories, including the most helpful and most recent.

How to save an email as PDF

Learn how to turn an email into a PDF document on your iPhone, iPad, and Mac without having to use a third-party application. You will then be able to either share this PDF with someone, or save it locally on your device or your computer.

How to reduce the file size of a PDF on Mac

Learn how to compress the size of a PDF file on a Mac. By using the free Preview app that comes with every Mac, we will take a PDF document and reduce its file size in just a few clicks. This tutorial walks you through the entire compression process from start to finish.