You need to wait for a firmware update to your phone and then accept Extras+info app update. The extras+info app update installs the Storage Check app to the Lumia device. It will be visible in the Settings menu.
- I cannot download or get application updates when first starting the Store app on my Lumia. How can I resolve this issue?
- How can I transfer my contacts, calendar entries and to-dos to my Lumia (Windows Phone 7)?
- I have forgotten my Nokia account password
- How do I find the MAC address and other phone information of my Lumia phone?
- I cannot get a mobile network signal on my Lumia phone