Nexus S
How to install CM10.1 RC1 Android 4.2.2 Jelly Bean on the Google Nexus S GT-I9020. Samsung

The Google Nexus S, with the model number GT-I9020, has recently been added to the list of supported devices for the Release Candidate or RC version of CyanogenMod 10.1 aka CM10.1 custom ROM based on Android 4.2.2 Jelly Bean.

As noted by an Android Jinn report, although the CM10.1 RC1 build is a step towards releasing the final version of CM10.1, it’s more stable than the nightly builds. It also brings more functions and customization, compared to the official release.

The report added that the CM10.1 RC1 custom ROM is still under the development phase and may include bugs and performance-related issues. However, all such problems are expected to be resolved as development progresses.

Here is a tutorial explaining how to install CM10.1 RC1 Android 4.2.2 Jelly Bean on the Google Nexus S GT-I9020. But before trying out the process, users are recommended to take note of the following aspects:

- Backup your data

- Ensure the device has at least 80 percent battery power

- Ensure the USB Driver is installed for Samsung Galaxy S3 in your PC

- Enable USB Debugging via Setting > Developer options > USB Debugging

- Ensure your device is rooted and has ClockWorkMod Recovery installed

- Do not skip Nandroid backup as it’s very helpful if this custom ROM does not work the way you wanted

- In case you get stuck on boot or experience boot loop, perform wipe cache partition and wipe dalvik cache a few times more before rebooting

Note: IBTimes cannot be held responsible if anything goes wrong. Users should proceed at their own risk.


Step 1: Download CM10.1 RC1 Android 4.2.2 Jelly Bean ROM For Nexus S I9020.

Step 2: Download Google Apps.

Step 3: Connect the Nexus S to PC via USB.

Step 4: Copy all downloaded zip files to the SD card of your phone without extracting any of them.

Step 5: Disconnect USB and turn off your phone.

Step 6: Boot into ClockWorkMod recovery in your Nexus S by pressing and holding theVolume Up, Home and Power button together till you see Samsung logo on screen.

Step 7: Release all three buttons for half-a-second and hold them again. You will see ClockWorkMod recovery screen. Use Volume keys to browse between options in recovery while using Power key to select an option.

Step 8: Perform a Nandroid backup of your existing ROM. To do that, select Backup and Restore, then on the next screen, select Backup again. Go back to the main recovery menu after backup is complete.

Step 9: Perform the data wiping task. To do so, select wipe data/ factory reset, then select Yes on next screen to confirm your action.

Step 10: Come back to CWM recovery main menu and select wipe cache partition. After the wiping is over, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.

Step 11: Select install zip from sdcard and then select choose zip from sdcard. After that, locate the file and select it by pressing the Power button. Confirm the installation by selecting Yes – Install on the next screen. The ROM installation will begin.

Step 12: After the installation process ends, repeat step 11 but with Google Apps zip file to install the apps package.

Step 13: Perform data wiping once again. (Refer Step 9)

Step 14: Once the installation is complete, go back to the main recovery menu and select reboot system now. Now the device will boot up into the customized CM10.1 RC1 Android 4.2.2 Jelly Bean ROM. The first boot will take time.

[Source: Android Jinn]