If you own a iOS device you may have encountered this problem atleast once, where your phone is stuck at Apple logo. This usually happens when you press the power button abnormally. But its not a big issue or not too hard to get your phone back to normal you just need to follow a few step.
1. Install iTune in your PC.
2. Connect the USB cable of the phone with your PC but don't plug the other side of the cable with your phone just now.
3. Press and hold the home button on your device.
4. Now connect the USB cable with your phone and keep holding the home button.
5. Now your device will turn on and you will see iTunes sign instead of apple logo. Now open iTunes in your PC.
6. Click "Restore and Update"
7. Your phone will be out of recovery mode and will be usable now.
1. Install iTune in your PC.
2. Connect the USB cable of the phone with your PC but don't plug the other side of the cable with your phone just now.
3. Press and hold the home button on your device.
4. Now connect the USB cable with your phone and keep holding the home button.
5. Now your device will turn on and you will see iTunes sign instead of apple logo. Now open iTunes in your PC.
6. Click "Restore and Update"
7. Your phone will be out of recovery mode and will be usable now.

