You can only sync your device with one iTunes library at a time because iTunes always keep the libraries on iPhone and on computer the same. It means that the library on computer is different from the library on iPhone. Updating iTunes or reinstalling OS might also make the library “changed”. It could be because you have changed iTunes library. This warning could also appear even when you sync iPhone on your own computer. When you connect iPhone to another computer and launch iTunes, you would be warned that iPhone data will be erased and replaced because you are syncing iPhone with different libraries. Why your iPhone is synced with another iTunes library? How to prevent automatically sync with iTunes? How to drag and drop songs to iPhone with iTunes?Ĥ. How to save music library and safely sync iPhone?ģ. Then provides an alternative way if it can't be solved.ġ.Why your iPhone is synced with another iTunes Library?Ģ.

Don't worry, we will explain why this problem happens, and help you out of this problem. Do you want to erase this iPhone and sync with this iTunes library'?

However, sometimes, when you connect your iPhone with your computer, it may note you that ' The iPhone is synced with another iTunes Library.

It can help you to transfer your iTunes library to iPhone, so you can enjoy music, videos, Podcast anywhere. ITunes is a traditional music player and media file management for iPhone, iPad, iPod Touch.

Sync iphone to new itunes