If you need any more help with the process, You Tube may be your best resource as you get to see what you need to do. It's a Lenovo a7000-a and it uses Contact Manager as a phone app.However, with root/administrative permissions, you can quite literally do whatever you want on your device, even brick it.

This requires a couple of steps, so read carefully! Cyanogen Mod, for example, is known as a custom ROM, as it’s Android with lots of neat tweaks that can only be applied with the entire code sitting in front of you.

Changing ROMs requires “flashing” them, which can be seen as writing the ROM to your device’s memory.

ROMs need to be made for each specific Android device model, as they all contain different hardware, and must be customized for them.

Cyanogen Mod offers support for plenty of popular devices, but some are still left out because there are so many different Android devices in the market and not all are equally popular or physically capable.

A lot of people can agree that the Android operating system is pretty awesome.

Not only is it great to use, but it’s also free as in open source, so that it can be modified by anyone.This is why custom ROMs, like Cyanogen Mod, can exist.But how the heck can you install those ROMs onto your device? If you haven’t done anything to it yet, then you’re running your device’s stock ROM.Finally, you’ll need to boot into your recovery (how do to that depends on the device), and use it to erase your device and then flash files to it.This is the part where you’re actually doing the installation, so it’s very important to follow all instructions.This package includes the Google goodies we all love.