You can check the amount of available memory, and other technical data in your phone by selecting Start > Settings > System > About.
- I cannot download or update apps from Store on my Lumia. How can I resolve this issue?
- I cannot end a call because my Lumia screen remains black
- My phone does not charge
- What type of wired headsets can I use with my Lumia phone?
- How do I remove my Lumia phone from the account settings at windowsphone.com?