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.
- Why does my Lumia only show phone number of caller or SMS sender, although the contact name is listed in People hub?
- My Lumia touch screen is not responding or is responding the wrong way
- My Lumia's battery does not get fully charged
- I am not receiving audio when playing music or games on my Lumia phone
- How can I prolong the battery life of my Lumia phone?