Adoptable storage in Android 6.0: What it is, how it works

One of Android’s early advantages over the iPhone was the availability of removable storage. While Google still shuns microSD cards in the Nexus devices, many other Android phones still offer removable storage as an option. This was a bit of a pain to manage in the past, but that’s changing in Marshmallow with the addition of adoptable storage. With just a few taps, you can merge the card with your device’s built-in storage to expand your total capacity. If you don’t mind the drawbacks, of course. Check this article from Greenbot.com