Want to delete contacts from iPhone? This seems an easy task. There are multiple ways available for you to delete all contacts from iPhone and you can choose whichever way you want according to the purpose you want to achieve. And the most common and direct way to delete contacts from an iPhone may be simply tapping the "Delete" button. To do so:
1. Turn on your iPhone and launch the Contacts app;
2. Select an contact that you want to delete from your iPhone;
3. Navigate to the top right corner to tap the "Edit" option;
4. Now turn to the bottom of your contact and tap the button of "Delete Contact".
It seems that you have successfully deleted your contacts from the iPhone. However, believe it or not, these deleted contacts can still be recovered by other people who use special data recovery software. The storing principle of iPhone is that once you delete files from iPhone, they are just marked as deleted and become invisible. They are still here and can be recovered back as long as they haven't been overwritten by new data. If you want to delete all the contacts in your iPhone forever, you need to draw support from third-party software.
As I mentioned above, the only way delete contacts permanently from iPhone is depending on a professional data erasing application. To save your time to look for a suitable tool by trial and error, you can try my recommendation: Coolmuster iOS Eraser or iOS Eraser for Mac, which is fully capable of performing a quicker and easier contact erasing process on all iPhone models at once. It not only delete data from iPhone without recoverable, but also rewrite with radom data in order to cover the erasing track. In addition to contacts, text messages, videos, photos, account info, passwords and more can be deleted by this tool.
Below is the tutorial showing you how to wipe contacts from iPhone by using Coolmuster iOS Eraser. The Windows and Mac version are both available, so you should get the right version downloaded on your computer. Here, we will set Windows version as an example. Mac users can turn to the Mac version and refer to the same operations as below.
Step 1. Connect iPhone to Computer and Run Software
Launch the contact erasing program on your computer after you download and install it. Then, you will see its clear and user-friendly interface showing like below picture. Connect your iPhone from which you want to delete contacts to your computer via the Apple provided USB cable and the connected iPhone will be detected by the program automatically.
Tips: All iPhone models can be supported by this program, such as iPhone 6S Plus/6S/6 Plus/6/5S/5C/5/4S/3GS.
Step 2. Choose Lever of Data Erasing as Needed
Here are three levels of data erasing provided by the program. The first level will erase your iPhone data quickly to save your time. The second level will leave no traceability of data erasure and use random data to overwrite all existing and deleted data on your iPhone. The third level is the most secure option which will write over the data 3 times. You can directly use the default second level. Choose the contacts you want to delete for good.
Step 3. Start to Erase all the Contacts on Your iPhone
After choosing your wanted erasing level and the Contacts folder, you can click the button of "erase all data and settings" to delete all contacts from your iPhone. All task only costs you a few seconds.
Done! Congratudations that you have already deleted all contacts from your iPhone. No any data recovery tool can recover them from your iPhone. Sounds amazing? Just try it out by yourself now!