Just a few days ahead when the CyanogenMod Team unleashed the CM10.1 for LG Optimus G E975, and now it’s the time for the Optimus 4X HD (also known as the P880) to get some tweaks of the CM10.1 official nightly build based on AOSP Android 4.2.2 Jelly Bean. There are two builds recently posted and anyone whom may wants to give it shot on their LG Optimus 4X HD P880 devices, can simply download from the official CyanogenMod website.
Download and Install CM10.1 for LG Optimus 4X HD P880
Warning: Installing custom ROM voids the warranty of your device, proceed at your own risk! we shall not take responsibility if some undesired outcomes may occurs onto your devices.
Put the cm-10.1-20130416-NIGHTLY-p880.zip and gapps-jb-20130301-signed.zip on your internal SDCard.
Reboot into recovery:
Select Back-Up with CWM Recovery
Make wipe data/factory reset, wipe cache partition, wipe dalvik cache, format system
Select option “install zip from sdcard”
Then select “choose zip from sdcard”
Flash cm-10.1-20130416-NIGHTLY-p880.zip CM10.1 rom.
Flash gapps-jb-20130301-signed.zip Gapps package.
Reboot into system
Get more further details at XDA, thanks to [xtribas].