Smartphones no longer commonly feature SD card slots for storage expansion. However, users can still easily utilize external physical storage options with their iPhone or Android devices, despite the absence of this traditional feature.

A long time ago, in smartphones that looked very different, there were SD card slots for expanding storage. That’s a long-lost feature, but it’s still surprisingly easy to use external physical storage with your iPhone or Android phone.

from Joe Fedewa
via How-To Geek