Update LG Optimus G to Android 4.2 Jelly Bean via CyanogenMod 10.1 [Canadian Only]
At long last, the wait is over, the Android 4.2.1 Jelly Bean based CyanogenMod 10.1 has been arrived for the LG Optimus G finally but just for Canada yet, thanks to a senior XDA developer chadouming. Keep in mind that the developer isn’t sure that this build will work on a carrier other than Telus, so don’t try on any other models, event don’t try Nexus 4 ROM on your phone.
The below guide shows you how to install CyanogenMod 10.1 for Optimus G, your Optimus G must be rooted, have unlocked bootloader and ClockworkMod recovery installed. Back up everything because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.
Step #2: Copy both zip files to the internal storage of your phone.
Step #3: Turn the device off.
Step #4: Reboot the device into recovery mode by holding down volume up and power buttons, it will take you to bootloader mode. There select recovery option to enter in recovery mode.
Step #5: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup select “Backup and Restore”, and then select “Backup” again.
Step #6: Return to main menu by selecting “Go Back”.
Step #7: Select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded ROM zip file that you’ve transferred in above step and confirm installation.
Step #8: Repeat previous step and install Google Apps package in the same manner.
Step #9: Select “Go Back” to go to main menu.
Step #10: Perform wipe, select the wipe data/factory reset, and confirm on the next screen.
Step #11: Select “Go Back” after that select “Reboot System Now” to reboot the phone.
That’s it, you’re done, the CyanogenMod 10.1 is now installed on your Optimus G, enjoy! If you experience any error, do comment and you can also visit the original thread of XDA link is given in first step.