Customers need 35 MB free memory. Customers can uninstall apps, delete pictures, or move apps and pictures to the SD card. We highly recommend syncing contacts with Gmail™ before upgrading your device, as well as backing up pictures and other data to your microSD card. If your contacts are not appearing after the upgrade, go to Contacts > Menu > Display Options > ___@gmail.com > Select: All other contacts. See Android Upgrade section.
Each phone has a specific amount of memory available installing App, taking photos, or emails may use up the available memory and need to be moved or removed to create enough space to upgrade Muve Music.