Tips & Tutorials

Update Nexus 7 with CM10.1 M2 Android 4.2.2 Jelly Bean Custom Firmware

Nexus 7 (WiFi, groper) can now be updated with CM10.1 M2 release of CyanogenMod’s Android 4,2,2 Jelly Bean based custom ROM. The official Android 4.2.2 software update was released a few days ago, but we all know custom ROms like the popular CM10.1 is way always better that bring several new features and a better, faster and more stable ROM. You can now easily update Nexus 7 to CM10.1 M2 Android 4.2.2 Jelly Bean custom firmware with the tutorial below. This is not an official release by Google, but just a custom ROM which would require a custom recovery like ClockworkMod in order to flash the ROM zip file on your phone.

As you continue reading below, we will guide you through how to backup data, some other important tips and the entire process of how to install CM10.1 M2 Android 4.2.2 Jelly Bean on Nexus 7 with complete steps. Let’s get on with the tutorial now and make sure you backup your tablet as given below, because all the data will wiped during the installation process. Also make sure, your warranty will be voided when you install this custom ROM. The following tips are important as they will help the installation procedure to go smooth without any issues.

CM10.1 M2 Android 4.2.2 Jelly Bean

Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned in the tutorial 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 😉

CM10.1 M2 Android 4.2.2 Jelly Bean ROM Features:

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.

UPDATE: CM10.1 Milestone 3 ROM is now available for this tablet. Read the tutorial here!

For those who are interested, you can also install the stock Android 4.2.2 Jelly Bean (build JDQ39) on Nexus 7 with the following tutorials/guides:

ASUS Nexus 7 USB Drivers

You will need to connect your Android tablet with the computer. For that, please make sure you have installed the Android 4.2.2 USB drivers for ASUS Nexus 7 properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Download ASUS Nexus 7 USB drivers!

Backup and Other Important Tips

Done with the USB drivers? Perfect. The tutorial is on the next page, but first, please take a look at the following tips and important points you need to take care of. These are important, as we don’t want anyone losing their personal data or apps:

Always backup your important data that you might need after you install a new custom ROM, an official software update or anything else. Make a backup for just in case, you never know when anything might go wrong. See below for some tips on how to backup data:

If you already have a custom recovery (ClockworkMod, TWRP etc.) installed on your tablet, we strongly recommend you to also backup using that as it creates a complete image of your existing tablet set up.

A few more optional tips that you should remember:

1. Having problems connecting your Android tablet to the computer? You need to enable USB debugging mode. See here: How to Enable USB Debugging — for Gingerbread, Ice Cream Sandwich and Jelly Bean.

2. Make sure your Android device is charged up to 80-85% battery level. This might help you: How to Check Battery Percentage. Why? Because, if your tablet goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your tablet might get bricked or go dead permanently. No one wants that, right?

4. Most of the tutorials and how-to guides on Team Android are for factory unlocked Android phones and tablets. We recommend NOT to try our guides if your tablet is locked to a carrier, unless we have specified the carrier name or device model.

If you find the above tips useful and they were helpful to you, please consider giving us a +1 or LIKE to thank us!

All set and ready? Good. Now, let’s proceed with the tutorial on the next page and update Nexus 7 tablet to CM10.1 M2 Android 4.2.2 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.