Music and other itunes content will need to be re-synchronized from itunes or re-downloaded from icloud after resetting. There are two ways to backup your iphone data : [substeps] Open the settings app and select " icloud.
[header] How to reset a cell phone [title] Back up your iphone before resetting. [step] Resetting your iphone will delete all of the data that's stored on it. Backing up your iphone will allow you to restore your data after resetting.