Your phone supports an optional microSD card up to 256 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 SIM tool into the tray hole and gently push to pop it out.

Insert or remove the cards as needed.
To use an SD card with one SIM card:

To use two SIM cards (dual-SIM models only):

To see if your phone supports two physical SIM cards, go to Settings > About phone > SIM status. If you see SIM Slot 1 and SIM Slot 2, then you can use two physical SIMs in your phone.
Push the tray back into the phone.

If you inserted two SIMs, you'll receive a notification to set them up. Swipe the notification down and tap it to manage dual SIMs. If you see 
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