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Install Cyanogenmod (CM9) Nightly on Galaxy Nexus [Unofficial]

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Cyanogenmod 9 (CM9) for the Galaxy Nexus has been in the nightly stage for quite some time now. Nightlies are automatically generated builds of the ROM that are built every night incorporating all the changes made by the developers every day, letting users keep up with the latest changes and improvements. However, with the Galaxy Nexus, the nightlies aren’t very regular and are infrequently built.

Keeping that in mind, XDA modder swordrune10 has taken it upon himself to build regular CM9 nightly ROMs, until the official nightlies start getting built on a daily basis. However, these builds are only for the international GSM version of the phone, so don’t try them on the Verizon CDMA variants.

Read on to find how to install the Cyanogenmod 9 (CM9) ROM on your Galaxy Nexus.

Compatibility

This ROM and the guide below are compatible only and only with the international GSM Galaxy Nexus, model number i9250. It’s not compatible with any other device. Check your device model in Settings » About phone.

Warning!

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.

Pre-Installation Requirements/Tips

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  1. Important! A Galaxy Nexus (GSM Version) with Clockworkmod recovery installed.
  2. This procedure will wipe all your apps, data and settings (but it will NOT touch your SD card, 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.
  3. Make sure the battery is sufficiently charged. At least 50% is recommended.

How to Install CM9 Nightly ROM on Galaxy Nexus

  1. Download the latest version of the ROM from the original development page.
  2. Download the Google Apps package. This will install apps like Market, Gmail, etc. which are not included in the ROM.
    Download Link  |  Filename: gapps-ics-20120317-signed.zip
  3. Transfer the zip files downloaded in step 1 and 2 to your sdcard.
  4. Turn off your phone, then boot into Clockworkmod (CWM) recovery. To do this, press the following keys together: Power + Volume Up and Down. You will enter Fastboot mode. Here, press Volume Up twice till you see Recovery selected, then press Power button to boot into recovery. In recovery, use Volume buttons to navigate and the Power button to select.
  5. Perform a wipe:
    1. Select wipe data/factory reset, then select Yes on next screen to confirm. Wait a while till the data wipe is complete.
    2. Select wipe cache then select Yes on next screen to confirm.
  6. Now select install zip from sdcard, then select choose zip from sdcard. Scroll to the ROM file on the sdcard and select it. Confirm installation by selecting Yes – Install  _____.zip on the next screen. The ROM will start installing.
  7. After the ROM finishes installing, select go back to go back to the main recovery menu.
  8. Now repeat step 6, but this time select the Google apps package file gapps-ics-20120317-signed.zip you downloaded in step 2 to install the Google apps package. Confirm installation by selecting Yes on the next screen.
  9. After the installation is complete, select go back and then select reboot system now to reboot your phone.

Upgrading to Newer Builds of the ROM

Since the nightlies will come out regularly, follow the procedure given below to update to newer versions:

  1. Download the latest version of the ROM from the development page.
  2. Transfer the downloaded zip file to your SD card.
  3. Boot into recovery.
  4. Select install zip from sdcard, then select choose zip from sdcard. Scroll to the ROM file on the sdcard and select it. Confirm installation by selecting Yes – Install  _____.zip on the next screen. The ROM will start installing.
  5. After the installation is complete, select go back and then select reboot system now to reboot your phone and boot into the updated version of the ROM.

That’s it. You can install the CM9 nightly ROMs on your GSM Galaxy Nexus by following the procedure above. Visit the original 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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