Using The Microsdxc Card As Portable Or Internal Storage; Set Up The Microsdxc Card As Portable Storage - Zte BLADE MAX 3 User Manual

Using the microSDXC card as portable
or internal storage
You can use your microSDXC card as portable storage when
there's already content such as your media and other files so that
you don't lose them.
If your microSDXC card is new or doesn't have content you want
to keep, you can also set it up as an extension of the internal
phone storage, and this requires formatting that prevents the
microSDXC card from working with other devices.
CAUTION:
As part of the internal storage, the microSDXC card may have
data on it that is necessary for some apps to function normally.
Therefore, do not remove or replace the card randomly.

Set up the microSDXC card as portable storage

When you install a microSDXC card that has not been used on
your phone before, the phone will mount the card as portable
storage by default.
To remove the microSDXC card from your phone:
If you need to remove the microSDXC card used as portable
storage while the phone is on, you must unmount it first.
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