Delete all file methods in your address book at once:
1, the iphone connected to the PC
2. Open itunes
3, above: "Summary"/Information/"Application"/"ringtones"/... In that column, click the "Info" bar.
4, point into the "Information" column, in the "Sync Address Book and Outlook" in the front of the options bar, usually hit the "small Right hook", click Cancel "small pair hook"
5. The System pop-up dialog box prompts itunes to no longer sync the address book to the iphone. Do you want itunes to delete the contacts that were previously synchronized to the iphone?
6, under the dialog box has two option buttons: "Delete Address Book" and "Do not delete address book."
7, click the "delete Address Book" button.
8, at this time in the "Sync Address Book and Outlook" in the previous options bar, do not play "small right hook".
9, then the excitement of the moment to appear ...
10, click the bottom right Corner "apply" button again
11, finally click the "Sync" button.
iphone How to bulk delete Address Book
1 First, the small series is today through the software to help delete, the software is "QQ Address Book." If you do not download the "QQ Address Book" Friends can first download a "QQ Address Book", Download a good click on open. (as shown in the following figure)
2 Enter the "QQ Address Book", click "Contact" to enter, inside will be their own iphone phone address list, and then click on the upper right Corner "..." menu bar. (as shown in the following figure)
3 Click the "Bulk Delete Contact" button in the expanded menu bar. PS: If you want to delete individual contacts can be selected, if you want to empty the iphone contact, click the "Select All" button. (as shown in the following figure)
4 Select the contact person and click the "Delete" button in the upper-right corner to delete. (as shown in the following figure)
5 After the deletion, we can see the "QQ Address Book" Inside the Contact people all deleted. Then you go back to the iphone system Address Book, the contact has been emptied in bulk. Is it simple? If you want to bulk clear the iphone Address Book friends immediately!
How can the iphone delete the phone this time?
1. Enter the iphone settings-General---Restore-erase all content and settings
2. After the reboot, we can see that the phone book was deleted once, but in this case, the other content is not, so this method does not recommend that you use
3. We can delete itools or 91 through third party software, open the information management owner to delete
4. Sync an empty address Book with itunes
5. Download related app software directly delete, such as QQ address book, etc.