HTC 8s hard reset

Performing a HTC 8S hard reset 8s WP8 factory reset

Performing a 8s factory reset using phone buttons

Warning! All data will be lost!
1. Turn the power off.
2. Press and hold the VOLUME DOWN button, and then briefly press the POWER button. Release the VOLUME DOWN button when you see an icon on the screen.
3. Then press the following hardware buttons in this sequence: VOLUME UP > VOLUME DOWN > POWER > VOLUME DOWN.

or
Reset Windows Phone 8s by HTC
On the Start screen, slide to the left.
Tap Settings > about.
Tap reset your phone, and then tap yes.
Warning! Always turn off your device before installing/replacing the battery and SIM card.
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