Install Cyanogen Mod 9 Android 4.0.3 Update in LG Optimus 2x P990

Sanjana February 15, 2012 0

LG Optimus 2x P990 users can shower all their love on their precious smartphone with an all new Cyanogen Mod 9 update. Yes you can now update your smartphone with the latest ICS Android 4.0.3 firmware in the form of Cyanogen Mod 9. It is to be noted that this is not the official update released by Samsung Electronics but nevertheless it supports the goodness of Ice Cream Sandwich. This updation procedure is only applicable for rooted phones but you need not worry as we have already covered the detail procedure on how to root your LG Optimus 2x P990 smartphone.

lg optimus 2x

We wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is not recommended for basic users but is for advanced users and is only applicable to LG Optimus 2x P990 smartphones that are network unlocked. Do not apply it in any other models of LG or in other device as it might not be reversible and may harm the device by blocking it.


You must backup all user data present in your phone since chances of data loss or corruption are there. Having a backup will enable you to replace the lost data if any damage occurs. Do not backup data using PC Suite tools as your phone wont get detected by PC Suite after applying this update since this is not an official update. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Download CM9 Android 4.0.3 Package

Steps to Update Cyanogen Mod 9 Android 4.0.3 Firmware in LG Optimus 2x P990:

Step-1: Root your LG Optimus 2x P990 first then download CM9 Android 4.0.3 Package from the Must Have section to your computer. Connect your phone to the computer via USB Cable and copy the downloaded zip package to your phone’s SD Card.

Step-2: After copying is over, remove the connected USB Cable and enable USB Debugging from the path “Settings > Applications > Development > USB debugging”. Make sure that USB Debugging option is ticked

enable usb debugging

Step-3: Power off the phone to enter into Recovery mode by pressing the Volume down rocker key and Power button simultaneously. In Recovery mode select “install zip from SD Card” > “choose zip from SD Card” and choose the ICS CM9 Zip file placed in your phone. It will take about 10 minutes for the entire updation process to complete.

Step-4: After the updation process is complete, the device will again land up in Recovery mode so select the option of “++++ Go Back ++++” > “Reboot system now” to reboot the phone. To check whether the firmware has been successfully updated or not navigate to Settings > About Phone > Firmware Version where it will display the firmware version as 4.0.3 Android version. In case any other version is being displayed then re-apply the entire procedure again from the beginning.

lg 2x update

Thus you can easily update your LG Optimus 2x P990 smartphone by following the steps mentioned above carefully.

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