Tips & Tutorials

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 custom firmware from the tutorial below. Your Nexus 4 should be already rooted and ClockworkMod recovery should 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 the tutorial now.

Update Nexus 4 with CM10.1 Android 4.2 Jelly Bean Custom Firmware 9

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 😉

NOTE: Since this is a nightly build, make sure you know that after installing 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.

About the author

Haris Nadeem

He lives on everything Android; has countless devices, apps and games to play with everyday. Currently serving as the Chief Editor at Team Android.

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