There are several ways to restart a Windows Phone 8 smartphone and remove it from its state of shock. If you remove the battery model allows simple, it is a quick way to do it: to remove the battery the smartphone will turn off. Re-enter and turn on the phone.Rebooted! However, only recommend this method if explained below does not work.
Windows Phone 8 has for its Lumia phones (works with 1020, 928, 925, 920, 820, 720, 620 and 520) a method to force this reboot, equivalent to pressing Ctrl + Alt + Delete on a Windows PC. Press the volume key as if you were down and the ignition for 10 seconds. When the smartphone vibrates, is that it is already restarting.
If your smartphone is HTC Windows Phone 8S or HTC 8X, restarting is different (but equally easy): just turn it off as you would normally, keeping the power button pressed for a few seconds and dragging down the screen appears. Wait 15 seconds before restarting.
The Samsung Aitv-S, another smartphone with Windows Phone 8, can also be reset. In this case, it is done by holding down the power button for at least 11 seconds.
The Huawei Ascent W1 also restart by pressing the power button until the phone turns off and back on after a few seconds.