Jelly Bean AOKP Build 1 for Galaxy S2 i9100 is Here

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The first official public release of the famous AOKP custom ROM, now based on Jelly Bean Android 4.1, was released a few days ago for a few devices, and now it has been ported over to the Galaxy S2 i9100.

AOKP brings to you all the features of pure stock Jelly Bean – such as the smooth as butter interface, Google Now aka the voice recognition based information and search app, improved and actionable notifications, faster browser, improved accessibility features, offline voice typing, etc. – along with its own customization features that allow you to tweak the interface to your liking, as well as featuring fast performance.

Keep in mind that this is not an official Samsung ROM. It’s a custom ROM that is under development and may have a few bugs and issues and some things may not work properly and some stock Samsung ROM features will not be available.

Let’s see how AOKP Build 1 can be installed on the Galaxy S2 i9100.

Compatibility

This firmware and the guide below are compatible only and only with Galaxy S2, model number I9100. It’s not compatible with the I9100G or any other device. Check your device’s model number 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.

How to Install AOKP Build 1 ROM on Galaxy S2 I9100

  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 note down your network’s APN settings, which are required to make mobile data work. Go into Settings » More » Mobile Networks, click on the APN that is in use, then note down the setting for each field. While APN settings should be automatically restored from network, you can enter them manually if needed to make mobile data work. You can also find your APN details → here.
  2. Install the stock Android 4.0.3 XXLPQ firmware on your phone by following the guide → here.
  3. Install Clockworkmod (CWM) recovery on XXLPQ by following the guide → here.
  4. Download the latest version of the ROM from its development page.
  5. 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: gapps-jb-20120726-signed.zip   
  6. Copy the 2 downloaded zip files from step 4 and step 5 to the internal SD card.
  7. Turn off the phone and boot into Clockworkmod recovery. For this, press and hold these 3 buttons together until the screen turns on: Volume UP + Home + Power. Phone will boot into CWM recovery.
    Use volume keys to scroll up and down between options and power key to select an option in recovery.
  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 _____.zip on the next screen. The ROM will start installing.
  10. After ROM installation completes, select choose zip from sdcard again, then select the gapps-jb-20120726-signed.zip file to install the Google apps package.
  11. After the installation is complete, select go back then select reboot system now to reboot the phone and boot up into AOKP ROM. The first boot can take up to 5 minutes, so be patient.
    NOTE: To go back to a stock Samsung ROM again, you can flash the XXLPQ firmware by following the guide linked in step 2 above, or flash to the latest Android 4.0.4 Samsung ROM by following this guide.

AOKP ROM Build 1, based on Android 4.1 Jelly Bean is now installed and running on your Galaxy S2. Visit the development page for more info and to get the latest updates on the ROM. Share your thoughts on the ROM in the comments.

Try out other Jelly Bean Android 4.1 custom ROMs for the Galaxy S2 → here.

Abhijeet

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Abhijeet

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