Galaxy Nexus can now be updated to JRO03L Android 4.1.1 with the help of XenonHD 7.0 custom firmware which is now available for download with a number of tweaks, features and mods installed. This ROM is rock stable, blazing fast and butter smooth in performance. You can update Galaxy Nexus I9250 to JRO03L Android 4.1.1 XenonHD custom firmware now.
In this tutorial, we will tell you how to install JRO03L Android 4.1.1 XenonHD custom ROM on Galaxy Nexus I9250 with complete steps and instructions on how to backup your phone. Your GNex should be rooted and ClockworkMod recovery should be installed. Let’s get on with the tutorial now and flash a new custom ROM on the phone.
Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) 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 😉
JRO03L Android 4.1.1 XenonHD Features:
- JB 4.1.1 JRO03L
- Apex Launcher
- DSPManager (JB) added with all the binaries.
- Apollo Music player added and fixed for JB.
- Proper extended power menu.
- 180 degree rotation enabled.
- Navigation bar button pressing speed quickened. (Galaxy Nexus only)
- Digital clock widget added.
- Scrolling cache improvements.
- Support for caller display name.
- Developer settings as shortcut option.
- Added XenonHD wallpapers.
- Louder output on speaker for Maguro and Toro.
- Added Galaxy4, PhaseBeam and Holo spiral wallapers.
- Wi-fi scan time to 100 to save battery.
- Performance, battery life and other misc tweaks.
- Init.d support with added tweaks and scripts.
- SuperSU application for root.
- File manager added. (Compiled with JB SDK 10 by me :D)
- GPS and Camera fixed.
- Reflective soft keys.
- Build.prop tweaks.
- Battery life tweaks.
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:
- Backup your SMS messages. How? –> How to Backup/Restore SMS Messages.
- Backup Contacts, Gmail and Google Data. How? –> Sync with Google Sync.
- Backup Call History. How? –> How to Backup Call History.
- Backup WhatsApp Messages. How? –> How to Backup/Restore WhatsApp Messages.
- Backup APN Settings: GPRS, 3G, MMS Settings.
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 JRO03L Android 4.1.1 XenonHD custom ROM.