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Official CyanogenMod 9 for LG Nitro HD [CM9] [Android 4.0]


Good news for all LG Nitro HD owners. The official CyanogenMod 9 (CM9) ROM – based on Android 4.0 Ice Cream Sandwich – has been released for it, by none other than the founder of CyanogenMod aka XDA Recognized Developer CyanogenMod. For those that don’t know, CyanogenMod is an aftermarket firmware for Android devices that brings the stock Android experience, along with improvements, fast performance and some very useful customization options not found in stock manufacturer ROMs.

Keep in mind that the ROM may have a few bugs and issues as it is currently under development. Also, since this is not an official firmware, some LG-specific features may not work the way they are supposed to.

Continue reading to find out how you can install CM9 on your LG Nitro HD.


This hack and the guide below are compatible only and only with the LG Nitro HD. It’s not compatible with other devices. Check your device’s model number in: Settings » About phone.


The methods and procedures discussed here are considered risky and you should not attempt anything if you don’t know completely what it is. If any damage occurs to your device, we won’t be held liable.

How to Install CM9 on LG Nitro HD


  1. This procedure will wipe all your apps, data and settings (but it will NOT touch your SD cards, so don’t worry about those). Backup your Apps and important data — bookmarks, contacts, SMS, APNs (internet settings), etc. This Android backup guide would help you.
    NOTE: Don’t forget to at least make a backup of your APN settings, which you can restore later if your data connection does not work after installing the ROM. Use the backup guide to find out how.
  2. Make sure you have ClockworkMod recovery installed on your phone.
  3. Download the latest version of the ROM from the development page.
  4. Download the Google Apps package. This will install apps like Play Store, Gmail, etc. which are not present in the ROM by default.
    Download Gapps  |  Alternate Link  |  Filename:
  5. Copy the downloaded zip files from step 3 and step 4 to the internal SD card. Do not extract them.
  6. Now, boot into ClockworkMod recovery. To do that, turn off your phone. Then press and hold the Volume Down + Power buttons till the phone asks you whether you want to factory reset. Then, tap the power button twice to enter ClockworkMod recovery. NOTE: This will not reset your phone, don’t worry.
    In recovery, use the volume buttons to scroll up/down and the home button to select an option.
  7. Perform a Nandroid Backup of your existing ROM, so that you can always restore it from recovery if something does not work out with this ROM. To perform a backup, select Backup and Restore –> On the next screen, select Backup again. Go back to main recovery menu after backup is complete.
  8. Select wipe data/factory reset, then select Yes on next screen to confirm. Wait a while till the data wipe is complete.
  9. Select install zip from sdcard, then select choose zip from sdcard. Scroll to the ROM file on the SD card and select it. Confirm installation by selecting Yes – Install on the next screen. The ROM will start installing.
  10. After ROM installation completes, select choose zip from sdcard again, then select the file to install the Google apps package.
  11. After the ROM finishes installing, select go back then select reboot system now to reboot the phone into CM9.
    NOTE: To go back to your previous ROM, boot into recovery (using procedure explained in step 6), select backup and restore then restore your previous ROM by selecting it from the list.

CM9 is now installed on your LG Nitro HD. Visit the official development page for more info and to get the latest updates on the ROM. Share your thoughts on the ROM in the comments.

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