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Backup iphone music song SMS Contact to computer before jailbreak or Upgrade Iphone systemFor iPhone users,
if you jailbreak or Upgrade Iphone system,you must
backup iphone music,SMS messages,Caontacs,Call list,video to computer,avoiding lost your important iphone data;if you want to enjoy any audio file on your iPhone, Tipard iPhone to PC Transfer will help you. This iPhone Transfer can help you
transfer files from iPhone to PC and PC to iPhone, including video, audio, contacts etc. And even iPhone 4 to PC, PC to iPhone 4.
How to backup music from iPhone to computer?
Step 1:
Download and Install iPhone to PC Transfer Ultimate.
After installation, you will see the the following screenshot.

Step 2: Connect your iPhone to PC via USB cable.
Once connected, the interface will show as following:

Tips:
1. The detailed information about your iPhone will be displayed in the Content Panel.
2. All the files on your iPhone will be shown in the left-list window.
Step 3: Choose the music.Click Music on the left display list, then the right side of the interface will display all your music files in details.

Tips: Check Type to choose all music or just check what you needed music from the drop-down list.
Step 4: Transfer music from iPhone to PC.Before transfer, choose the output folder from the choose-box.
Then, hit the
Transfer button. A transfer window pops up automatically.

After the transfer process finish, just click
OK.
Free download Tipard iPhone to computer TransferHere are some iPhone related guide,you can visit:
Transfer all iphone files to Mac for backupTransfer all iPhone files to computerTransfer iPhone SMS+Contact to computerTransfer mobile SMS and Contact to computer