With really powerful processor clocked at 1GHz and large display, LG Optimus 2x really deserves to have phenomenal custom-built ROMs, and because developers noticed a huge number of requests from users of this device, they developed some of most amazing custom ROMs. If you want to have one of custom ROMs on your LG Optimus 2x device, the easiest way to do that is to install it using custom recovery such as ClockworkMod Recovery. With him any user can install custom ROMs with breeze and in this tutorial I will show you how to do that.
Before proceeding to below steps let me note that your device needs to be rooted and your battery level is not less than 70%.
Step 1: First visit Google Play Store at this link, download and install ROM Manager.
Step 2: Once the app is installed open from App Drawer.
Step 3: The first option which you will see should say Flash ClockworkMod Recovery, so make sure you tap on it.
Step 4: Now you need to select your device from the list by taping on your device name.
Step 5: The flagship process will begin and will last for around 5-10 minutes.
Step 6: Once entire process is completed, reboot your device and you are done.
Your Optimus 2X now has a custom recovery with name ClockworkMod Recover and you can install custom ROMs.