Tips & Tutorials

How to Install Nexus S I9020 Android 4.2.2 CM10.1 RC2 Jelly Bean Custom Firmware

Samsung and Google stopped supporting the Nexus S I9020 after the final Android 4.1.2 Jelly Bean roll out, but thanks to this new CM10.1 RC2 release, nexus S can now be updated to Android 4.2.2 Jelly Bean — with a very stable firmware. There are a number of custom ROMs that offer AOSP based firmwares with amazing features, the latest Android 4.2.2 and a whole load of system tweaks. But we have always come to love CyanogenMod the most in the end because of their stability and performance when compared to all the other ROMs. If interested in Android 4.2.2 for other phones, check out our new Custom ROMs section. This is clearly one of the advantages of rooting your Android phone (read: Benefits of Rooting an Android Device). You can update Nexus S I9020 to CM10.1 RC2 Android 4.2.2 Jelly Bean custom firmware using the tutorial below. This is not an official release by Samsung/Google, but just a custom ROM which would require a custom recovery like ClockworkMod in order to flash the ROM zip and Google Apps zip files on your phone.

In this tutorial, we will tell you how to install CM10.1 RC2 Android 4.2.2 Jelly Bean ROM on Nexus S I9020 with complete steps and instructions. We also have a set of important tips that you have to keep in mind before proceeding to the tutorial on the next page. Don’t forget to backup your phone as you will have to wipe all your data during the installation process. The following tips are important as they will help the installation procedure to go smooth without any issues. Let’s get on with the tutorial now.

CM10.1 RC2 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 (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 😉

CM10.1 RC2 Android 4.2.2 Jelly Bean ROM Details:

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.

There are tons of useful articles and how-to guides on Team Android for the Samsung Nexus S, but we think you might be interested in the following posts:

  • Android 4.2.2 Custom ROMs: For a complete collection of Nexus S I9020 custom ROMs, click here!

Like this CM10.1 RC2 ROM based on the latest Android 4.2.2? We love it too and we know you are looking forward to install it on your phone now. Now please read below for important tips on how to make sure your installation goes smooth and you do not end up with any problems.

Samsung Nexus S USB Drivers

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

Download Samsung Nexus S 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:

Samsung users can also back up data using Samsung KIES. If you backup data manually, you get more options what to choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Nexus S backup data to HTC One X.

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

A few more optional tips that you should remember:

1. Having problems connecting your Android phone 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 phone goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your phone 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 phone 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 S I9020 to CM10.1 RC2 Android 4.2.2 Jelly Bean custom firmware.

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.