Select from options: Continue writing the next sentence.

How to reset a cell phone
Back up your iphone before resetting.
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.

Select from: a). 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 : Open the settings app and select " icloud. b). To backup your phone, download a backup application and open it. Then, slide the " reset " switch to the off position. c). You can usually reset your iphone using a usb flash drive. You can have the data rebacked up at any time during your time on the device, but it will likely take up to two months to fully recover from a phone reset. d). Do this by right-clicking on your phone and selecting " back up. " Backup your phone by pressing and holding the home button and then selecting " backup data.
Answer:
a).