Motorola MOTO E Troubleshooting Manual page 8

When you insert an SD card for the first time, you can choose to either use the card as Portable
Storage or Internal Storage.
Portable Storage
Select this mode if you frequently swap your
SD card between devices, use your SD card
for media storage only.
You have a Class 2, 4, or 6 card.
If you frequently swap cards, use SD card to
transfer content between devices and do
not download many large app, we
recommend configuring your card as
"portable".
Only pictures and media can be stored on
the card.
Downloaded applications, their data, is
always internal. they can not be moved to
the card.
The card is readable by other devices.
(another phone, Mac, PC, digital camera)
Content on the card is not encrypted by
default.
Internal Storage
Select this mode if you want to completely
extend your device storage with the card, and
need the card to store large applications,
games, and their data.
You have a high-speed card (UHS-1)
If you want to store large games on the card, if
your device storage is always filling up, and
you plan to always keep this card in the
device, we recommend keeping your card as
internal.
The SD card can become your device primary
storage
Downloaded applications, their data and
media can be moved to the card
The card is not readable by other devices.
(another phone, Mac, PC, digital camera)
The card is always encrypted, and can not be
decrypted on any other device.