links

http://www.phonearena.com/phones/Samsung-Galaxy-Tab-2-10.1_id7535

http://www.gsmarena.com/motorola_razr_hd-4970.php

about how to root your android mobile phones

http://www.tomsguide.com/us/Root-Your-Android-Phone,review-1688.html

http://www.howtogeek.com/115297/how-to-root-your-android-why-you-might-want-to/