Wednesday, 28 November 2012

Update Nexus 4 with CM10.1 Android 4.2 Jelly Bean Custom Firmware


CM10.1 for Nexus 4 is now available – an early build. CyanogenMod 10.1 is still in the works and devs are hard at work to bring the very initial builds of CM10.1 on every Android device. You can update Nexus 4 to Android 4.2 CM10.1 Jelly Bean customfirmware from the tutorial below. Your Nexus 4 should be alreadyrooted and ClockworkMod recoveryshould be installed.
In this tutorial, we will tell you how to install Android 4.2 CM10.1 Jelly Bean custom ROM on Nexus 4 with complete steps and instructions. Don’t forget to backup your phone as you will have to wipe all your data during the installation process. This is a custom ROM, based on AOSP release of Android 4.2 Jelly Bean. Let’s get on with thetutorial now.
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 ;-)
NOTE: Since this is a nightly build, make sure you know that afterinstalling this firmware update, your Android device can get FC errors, boot loops, several other bugs, apps might not work or worse, your phone might not boot. To fix, you will have to reinstall stock firmware or any other stable custom ROM.
Make sure you have installed all your USB drivers for the Samsung Nexus 4 to connect it with the computer. Download Samsung Nexus 4 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.
UPDATE: JellyTime Android 4.2 ROM is now available for Nexus 4. Read here for the tutorial.
Now, let’s proceed with the tutorial on the next page and update Nexus 4 to Android 4.2 CM10.1 Jelly Bean custom ROM.

HOW TO: Install Android 4.2 CM10.1 Jelly Bean ROM on Nexus 4

We have put together a detailed step-by-step instructions guide on how to install Android 4.2 CM10.1 Jelly Bean on Nexus 4. If you are used to installing custom ROMs on your Nexus 4, then this should not be any different for you.
However, for beginners, you need to root your Nexus 4 and install a custom recovery. Please Google that up if you are unsure and read the complete tutorial before actually performing it.
Just To Remember:
  • This Android 4.2 CM10.1 Jelly Bean tutorial is only for Nexus 4 and I am not sure if it will work on the other variants of the Nexus 4 on other carriers.
  • Make sure your phone is rooted and ClockworkMod recovery is installed.
  • Make a Nandroid backup of your previous phone set up before proceeding – for just in case anything goes wrong.
Complete Step-By-Step Instructions:
Step 1 - Download Android 4.2 CM10.1 Jelly Bean and Google Apps for Nexus 4 on your PC, if you haven’t already.
Step 2 - Connect and mount your Nexus 4 USB memory on your computer using the USB cable.
Step 3 - Now copy/paste the CM10.1 ROM zip and Google Apps zip files to your SD card. Make sure the files are in the SD card root.
Step 4 - Then turn OFF your phone.
Step 5 - Now to get in the Bootloader Mode. Turn ON the phone while pressing and holding the Volume Up + Volume Down and Power buttons.
Step 6 - Follow the navigation instructions on the screen. Select BOOTLOADER and then go to RECOVERY.
Step 7 - In ClockworkMod recovery, wipe data first. Then scroll down to “flash zip from SD card” and press the Power button to select it.
Step 8 - Press the Power button again and select “choose zip from sdcard”.
Step 9 -Now using your volume keys, navigate to CM10.1 ROM zip and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.
NOTE: Repeat this step for the Google Apps zip file as well.
Step 10 - After the installation completes, go to “+++++Go Back” and reboot the phone by selecting “reboot system now” from the Recovery Menu. The phone will boot now and it might take about 5 minutes to boot on your first time. So, please wait.
That’s it! Your Nexus 4 should have Android 4.2 Jelly Bean firmware installed on your phone! Go to Settings >About phone to verify.
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Have fun playing with it! If you have any issues, please fire them up in the comments below!
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