Here’s an updated way to unroot your HTC Evo 4G by using RUU. RUU basically can return your HTC Evo 4G back to completely stock just in case you need to return your Evo to Sprint for some reason. E.g. You broke your Evo 4G and you bought Sprint warranty.
How to unroot your HTC Evo 4G:
1. Reboot your HTC Evo 4G into bootloader mode by turning the phone off then pressing the power button while holding down the volume down button.
2. Select “Fastboot” and hit power button.
3. Connect your Evo 4G to your computer and make sure “Fastboot USB” comes on the Evo 4G.
4. Just download the RUU file and run.
5. That’s it!
Download HTC Drivers
Download Windows 32-bit drivers here
Download Windows 64-bit drivers here
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