Your phone does not have a micro-SD card slot, but it provides the onboard storage as below:
- 4GB (Nokia Lumia 505 and 510)
- 8GB (Nokia Lumia 610 and 710)
- 16GB (Nokia Lumia 800, 900, and 925)
- 32GB (Nokia Lumia 920, 920T, 928 and 1020)
You may also have Microsoft SkyDrive cloud storage, which lets you access and share docs and photos virtually anywhere.
More information about SkyDrive can be found at https://skydrive.live.com