If for some reason you don’t like your custom ROMs or you want to return your rooted Epic 4G Touch back to Sprint for warranty, here’s how to completely unroot your Epic 4G Touch.
Step 1. Put your Epic 4G Touch into download mode by holding down Volume Down and Power button together for about 5 seconds. When you see the Warning screen below, hit the Volume up button.
Step 2. When you see the download mode like below, don’t connect your USB cable yet.
Step 3. Download Epic4GTouchUnrootEL29.zip and unzip, you will find a file ca