How to Unroot the HTC EVO 4G (Sprint)

Perhaps you’re done playing with root and custom ROMs on your Android device? Regardless of the reason, it’s usually pretty easy to unroot your device and go back to the stock firmware.

Some of the reasons for unrooting your HTC EVO 4G (Sprint) are:

• Sending in the device for warranty (most, but not all unrooting procedures reinstate the manufacturer warranty if you had one before rooting).
• Starting over (simply undoing everything you did while rooted so you can have a clean slate to start over).
• Fix any issues (Maybe rooting messed something up? No problem, unrooting will take care of it for you).

Ready to get started? Here’s how to unroot the HTC EVO 4G (Sprint):

I. Before You Begin

1. You should have rooted your device using the procedure given here.

2. This should only work on Windows based PCs.

II. Downloading Required Files

1. Download Fastboot and save it to your Desktop.

Fastboot

2. Download the appropriate stock RUU for your device and save it to your Desktop.

Stock RUU

III. Relocking Bootloader on the HTC EVO 4G (Sprint)

1. Extract files from Fastboot by right-clicking on it and selecting Extract here.

2. Turn ON USB debugging on your device by heading to Menu > Settings > Developer options > USB debugging.

3. Plug in your device to your PC via USB cable.

4. Launch a Command Prompt Window on your Desktop by holding down Shift and right-clicking on any blank area on your screen and selecting Open command window here.

5. Type in following command into the Command Prompt Window:

adb reboot bootloader

6. Your device should reboot into bootloader mode.

7. Now issue the following command:

fastboot oem lock

8. Follow the on-screen instructions, if there are any.

9. Your bootloader should now be locked.

IV. Unrooting the HTC EVO 4G (Sprint)

1. Ensure that your device is connected to your PC via USB cable.

2. Right-click on Stock RUU and select Run as administrator.

3. Follow the on-screen instructions for flashing the stock firmware.

4. It should take some time to finish the procedure, so be patient.

5. Once the firmware’s been flashed, reboot your device.

6. You’re all done!

All set! You are now running stock firmware on your HTC EVO 4G (Sprint) and have unrooted it.

Want to try again? You can always reroot your device by heading to our Rooting How To’s section, finding your device, and doing the How to Root listed for it there.