SUPPORT New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile Network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan Neftlix on Us HotSpot plans Voicemail Use Mobile HotSpot All plans support topics Tutorials Troubleshooting Unlock your device Change your SIM T-Mobile eSIM All device assistance topics Account Hub I-Billing Home Office Internet Collaborate Line permissions All business support topics

Learn how to format and insert or remove the SD card on the Sony Xperia Z1s and SD card.



Transfer files

See SD card & device file transfer to transfer files between a device, SD card or computer.


Format SD card

  1. From any Home screen, tap Apps > Settings > Storage.
  2. Under SD card, tap Erase SD card > Erase SD card. Follow any additional prompts.


Insert / remove SD card


  1. To remove the memory card slot cover, insert a fingernail into the gap between the bottom edge of the cover and the phone, then pull out the cover.
  2. Insert the memory card into the memory card slot with the gold-colored contacts facing as shown.

  3. Using a fingernail, push the memory card further into the slot until you hear a locking sound.
  4. Push the memory card slot cover back into position so that it is fully latched.



  1. Turn off the phone, or unmount the memory card from Settings > Storage > Unmount SD card.
  2. Remove the cover of the memory card slot, then press against the edge of the memory card and release it.
  3. Draw the card outward to remove it fully.

Was this helpful?