The internal memory of your smartphone or SD card is insufficient. In the first case, you can convert your SD card into an internal memory source – as we will show you below.

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.

Using An SD Card As Internal Storage Added with Android Marshmallow, Android supports changing how the phone uses an inserted SD card from external storage to an effective extension of internal ...

Adoptable storage gives users the potential to use a memory card as internal memory, which comes as a huge bonus to anyone without enough built-in storage.

Ever wonder how much space your apps and files are taking up on your SD Card? DiskUsage Android app will help you see exactly how much space.