If your Android phone is running out of storage space, many phones will allow you to insert an SD card, which you can set as the phone's primary storage.

What can you do with a microSD card on Android? Can you store apps and games? What's the difference between internal and external storage? We answer all.

However, SD Express cards are backward compatible, meaning they will function in your Android phone, albeit at reduced speeds. That is assuming, of course, you even have an SD card slot.

A memory system that sticks Building a memory system on my phone has helped me capture more and use it in meaningful ways.

SD cards are faithful companions in cameras, mobile phones and many other devices. But how long do data really remain on SD cards?