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.
- Which Wireless LAN (WiFi) security standards are supported on my Lumia phone?
- Does my Lumia phone use an IP address when it accesses data networks?
- My phone does not vibrate properly
- I cannot connect to the internet using a mobile data connection on my Lumia phone
- I cannot send or receive multimedia messages on my Lumia phone