How to erase Apple iPhone 4 data completely?

Need to delete contacts, calendars, reminders, documents, photos, or any other information on your Apple iPhone 4? All you need is a workable Apple iPhone 4 data erasing app. Keep reading and learn how to wipe information from your Apple iPhone 4 permanently and thoroughly via using such a data clearing program for Apple iPhone 4.

Here's what you need

FoneEraser (It is available for Windows, simply download the proper version depending on your computer.)

FoneEraser can erase contacts, messages, call history, photos, music, videos, settings, and other files on your Apple iPhone 4 permanently and thoroughly. Learn how to wipe information from your Apple iPhone 4 using this handy app.

Step 1: Install and run this software on your PC, and connect your Apple iPhone 4 to your computer via USB cable.

Step 2: Click "Low" from the middle column to choose the erasing level that you want to use to erase your Apple iPhone 4 files. There are three levels - low, medium, and high. You can freely select the level according to your need. We would recommend choosing "High (Three Times)" for a good performance.

Step 3: When ready, you can click "Start" button to erase your Apple iPhone 4 data. A pop-up message will appear and ask if you are sure to erase your Apple iPhone 4. Click "Yes" to confirm.

The erasing process will take a few minutes. Once finished, you will find all files and settings on your Apple iPhone 4 have been erased completely.