How to Delete All Contacts From iPhone Without Jailbreak | BackUp and Restore Contacts Without using iTunes
Earlier today we told you about an easy way to backup and restore all your iOS data. But if any iOS users want to backup and restore there contacts, export your contacts in .VCF and .XLS format. This app called “My Contacts Backup” can do exactly what you want. You can back up your address book in .VCF file format and restore them anytime to any of your iOS device. You can download this amazing app for free from App Store.
Delete All The Contacts From Your iPhone, iPad or iPod Touch Without Jailbreak:
You will have to install “My Contacts Backup” first in order to perform this task. Now tap and open My Contacts Backup -> Settings. Tap on remove all contacts to empty your address book.