Speaking of data management, iPhone could be very different from Android. For new iPhone users, it takes some time to get used to it. Cases in point? The Contacts is the default app for contacts and phone number management on iPhone, but lacks important features.
Method 1. Delete multiple contacts on iPhone
You can batch delete multiple contacts at the same time in the Contacts app. Open the Contacts app on your iPhone. Use two fingers to swipe up or down to select two or more adjacent name cards in the list. If you need to select and delete several inconsecutive name cards, just tap with two fingers to select all of them one by one.
Once you have selected all name cards you like to get rid of, use just one finger to long press on one of them, a contextual menu pops up, you will have the option to remove all selected contacts in batch.

Method 2. Delete all contacts on iPhone
If you are here searching for a free app to quickly remove all contacts from iPhone or iPad in just one go, we suggest you the MCbackup app for iOS. It comes with both free and pro versions. To batch delete contacts on iPhone, you can just use its free version.
Run MCbackup on iPhone, you will see a big button to backup contacts on iPhone.

Backup contacts to email
As its name reveals, this is a iPhone contacts backup app. Go to make a backup of your data before you delete them. Read these instructions to backup iPhone contacts to email so you can easily transfer or restore the contacts to any other devices you like or even import them back to iPhone.
Delete all contacts in just one go
Once the backup file has been created, go back to its home screen, tap the Settings icon at the bottom right corner. Scroll down to the screen bottom, you should find the ‘Remove All Contacts‘ button with red background. Tap it, you will see a confirmation dialogue which reads, ‘All of the contact in your Address Book will be deleted. Are you sure?‘ If you are ready to remove all iPhone contacts, touch the OK button, then all contacts on iPhone will be deleted instantly.
