Install Cyanogenmod 9 Nexus S 4G (CM9 ICS 4.0.3)

by HFG +
in inspiration
— 7 Mar, 2012

Install Cyanogenmod 9 Nexus S 4G (CM9 ICS 4.0.3)

Nexus S 4G was released by Sprint Carrier in the US.Cyanogenmod 9 (CM9) has been ported to it.Almost everything works.Can be used on daily basis.It will be constantly updating.Here we will guide on you on how to install the latest version of ICS Cyanogenmod 9 Nexus S 4G easily.

Caution:
Advised to read every step with proper attention and thoroughly.Methods discussed are considered risky and tricky and may brick your device . Whatever you do is solely at your own risk, we are not accountable for any damage to your device.You have been warned.

Pre-Requistes:
1.Make sure that the phone is atleast 60% charged.
2. Back up all the phone data(contacts,messages,APN settings)
3.Sync all your contacts with your Gmail account
4. Now, enable USB Debugging Mode by going to Settings -> Applications ->Development -> USB Debugging)
5.Make sure Nexus S 4G drivers are installed.

6.Most Important,Ensure that you have CWM(Clockwork Mod Recovery) installed and your phone is ROOTED

Compatibility: This only works with the Sprint Nexus S 4G SPH-D720 Model.
To confirm you may go to Settings->About Phone.

Procedure:

Step 1:

To begin with we need to first download Cyanogenmod 9 Nexus S 4G version. Download it from here-> Cyanogenmod 9 Nexus S 4G version.

Step 2:

Now download this google apps.Download it from here->Google apps.If the link doesnt then open this link:- http://cmw.22aaf3.com/gapps/gapps_ics_4.0.3_v11.zip
You will have to flash the file separately to get the default google apps(like maps,market etc.) in your Nexus S 4G because they wouldn’t be preinstalled with the Cyanogenmod 9 Nexus S 4G ROM.

Step 3:

Now that you have downloaded both the required .zip files, Now transfer both these files in your internal SD ie internal device storage.

Step 4:

Now after doing that,to commence the process of installing Cyanogenmod 9 Nexus S 4G ROM, first switch off your Nexus S 4G and now boot in the CWM recovery. Press and Hold Volume UP + Power Button simultaneously, then wait untill the device boots up in cwm.
Note : In CWM, Volume up and down buttons are used to scroll up and down respectively while the power button/Home button is used to select the option.

Step 5:

Now go to “Backup and Restore” and perform the Nandroid Backup so that you could restore your files later .

Step 6:

Now do the “Wipe data/factory reset” and “Wipe Cache partition” from the main menu and also “Wipe Dalvik Cache” from the “Advanced Menu”.

Step 7:

Now go to in the menu “install zip from sd card” and then select “choose zip from sdcard” and then select the Cyanogenmod zip file you downloaded(From step 1) and click on yes to install.Now if you want the default google apps, select the .zip(from Step 2) and install.
Thus.Installation for ICS Cyanogenmod 9 Nexus S 4G will start

Step 8:

After the installation ,do a “Wipe data/factory reset”,“Wipe Cache partition” and “Wipe Dalvik Cache” again. Now select “reboot system now“ and your phone will reboot into the Cyanogenmod 9 Nexus S 4G version

Congratulations, you have successfully flashed the ICS Cyanogenmod 9 Nexus S 4G ICS !

You may also Check out the video tutorial to flash ICS Cyanogenmod 9 Nexus S 4G .Though its the Galaxy S i9000 shown in the video but the method remains same.