Tips & Tutorials

Update Galaxy Nexus I9250 to Android 4.1.2 AOKP Build 5 Jelly Bean Custom Firmware

Galaxy Nexus I9250 can now be updated to the recently released – Android 4.1.2 AOKP Build 5 Jelly Bean. This update of the AOKP build has bumped the software version to Android 4.1.2 from the AOSP release. You can update Galaxy Nexus I9250 to Android 4.1.2 AOKP Build 5 Jelly Bean custom firmware from the tutorial below. Your Galaxy Nexus should be already rooted and ClockworkMod recovery should be installed. Personally, I have moved on to this Android 4.1.2 custom ROM since it has so many new features.

In this tutorial, we will tell you how to install Android 4.1.2 AOKP Build 5 Jelly Bean custom ROM on Galaxy Nexus I9250 with complete steps and instructions on how to backup your phone. Remember, this is not an official firmware update. This is a custom ROM, based on AOSP release of the latest Android 4.1 Jelly Bean. Let’s get on with the tutorial now.

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We ( or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 😉

UPDATE: AOKP Milestone 1 based on Android 4.1.2 Jelly Bean is now available. Read the tutorial here!

Android 4.1.2 AOKP Build 5 Jelly Bean Features:

  • Custom NavBar for Tablets
  • NavBar widgets are back from ICS
  • Highly customizable Lockscreen Ring targets, with a shiny new editor in ROMControl! (also thanks to CM for the base of the framework part)
  • Alternate default app picker (like in GB)
  • Menu UI Overflow Toggle
  • Option to disable vibration for Notification expansion
  • RAM Bar in the Recents panel
  • Timeout and instant lock options for Slide lock
  • Tons of beautiful new icons by Kwes
  • VPN Traffic amount in human readable format

Make sure you have installed all your USB drivers for the Samsung Galaxy Nexus to connect it with the computer. Download Samsung Galaxy Nexus USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

Now, let’s proceed with the tutorial on the next page and update Galaxy Nexus I9250 to Android 4.1.2 AOKP Build 5 Jelly Bean custom ROM.