Your phone supports an optional microSD card up to 512 GB.
A Class 2, 4, or 6 card is sufficient.
Your phone uses the card as portable storage for media files: photos, videos, and music. Because it's portable, you can easily swap the card and its content between devices. After you insert the card, be sure to update settings within media apps (like camera, music, and podcast apps), so they use the card to store content you create or download.
You can't store apps on the SD card because it is portable 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 and a SIM card:

Or, to use two physical SIM cards (not available on all models):

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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