Here’s how to put an iPhone into recovery mode and get it out of recovery mode in iOS 8. (It also works for phones running iOS 7, and you can also do this with an iPad. The video above shows the process in iOS 7, which is the same as iOS 8.)
See also how to enable iOS 6 recovery mode along with more information about recovery mode versus DFU mode.
1. First, make sure iTunes is up to date on your laptop, PC or Mac. Then, connect a USB cable to your computer, but don’t plug it into your iPad or iPhone just yet.
2. Turn off your iPhone or iPad by holding the sleep/wake button until the red bar appears: swipe to the right to shut down your device.
3. Connect the USB cable and continue to hold the home button.
4. You will see the Apple logo appear, and this will change to the recovery graphic:
5. You can now release the home button. Your iPhone or iPad is now in recovery mode, and iTunes should be displaying a message to say as much.
You can also see:
[http://www.erasephone.com/ios-data-eraser.html|iPhone data eraser]
[http://www.erasephone.com/tutorials/delete-everything-from-iphone-ipad-ipod.html|Delete browsing history on iphone]