- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Unsync/delete all music and resync
To delete all music go to Settings>General>Usage>Storage>Music>Tap edit in upper right and then tap the minus sign by All Music
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: Back up and restore your iOS device with iCloud or iTunes
- Restore to factory settings/new iOS device.
also
If Apple provides service under warranty, the terms of the warranty and applicable provisions of law will cover defects in materials and workmanship that arise during the remaining warranty or 90 days after iPod service, whichever provides longer coverage for you. If iPod service is provided outside of warranty, Apple warrants that the replacement iPod will be free from defects in materials and workmanship for 90 days from the replacement ship date.
