What is root? Root is getting root access to your tablet. Many apps require it, and when you do root your tablet, you can do so much more stuff. Like, set up a firewall so you can block apps from using 3G/4G LTE or Wifi, or block it from using data at all. Also, it is 100% legal. Does root break my tablet? I don't understand why people believe it does, but it does not. There is a 0.001% it does, and that is because they end up doing something they shouldn't. Does root void my warranty? You may want to contact your provider for this. In most cases, it does. I know Verizon does. But, for other carriers, it may not. So, before you proceed anymore with thread, you should consult your carrier if it will void your warranty. And yes, tablets can get 3G and 4G. My Motorola Xoom has 3G. Now, if something does happen to your tablet, you can simply un-root your tablet and return it. What is unlocking? Unlocking your tablet is unlocking its bootloader. By default, it's locked. But, there is a way to unlock it's bootloader. When your bootloader, you can flash modified themes, flash unofficial ROMs, like CM7, CM9 and MIUI. Depending on your carrier you have, unlocking it might have your warranty voided.. This is also 100% legal. unlike jailbreaking. Does unlocking my tablet break it? No. But again, there is that 0.001% that it can break your tablet. And that only happens when you do something, you shouldn't have. Like, flash a ROM that isn't compatible with the version your tablet is, or get it stuck in a bootloop. Is unlocking it free? Yes. Unlocking your tablet is free. There may be one or two that may cost money. Does unlocking void my warranty? It might, depending on your carrier. From personal experience with Verizon, it does FOR VERIZON USERS. There may be 1 or 2 carriers that allow it. Again, if something does happen to it, then you can simply re-lock it and return it. If you have any questions related to unlocking or rooting your tablet, PM me. I will answer any and all questions you have.