Your phone supports an optional microSD card up to 128 GB.
The type to buy depends on how you'll format the card:
Portable storage (can use card in different devices): A Class 2, 4, or 6 card is sufficient.
Internal storage (card used only by phone): Use a high speed card such as UHS-1 type for best performance. Class 2, 4, or 6 cards are slower than your phone’s internal storage, so using them for internal storage would slow your phone's performance.
Learn more about the differences between portable storage and internal storage.
Insert the tool into the hole in the tray and gently push to pop it out.

Insert or remove the cards as needed.
To use an SD card and a SIM card:

Or, to use two SIM cards (dual-SIM models only):

Push the tray back into the phone.
When two SIMs are inserted, you see
at the top of the home screen. If you see
, troubleshoot the issue.
Select an issue to see troubleshooting steps.