Yes I Can!

How To Install Drew Garen ICS Alpha Build 2 For Nexus S

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Step 1: Download preferred type of Drew Garen ICS Alpha Build 2 for Nexus S to your PC. On-screen buttons version comes with the on-screen buttons you see in Galaxy Nexus while the no-button version doesn’t.

Step 2: Transfer .zip file to your Nexus S’ internal storage via USB cable from PC.

Step 3: Boot into ClockworkMod Recovery mode. For this, you must turn off your device. Hold Volume Up + Power button simultaneously until you enter CWM mode.

Step 4: Format /system, /data and /cache from mounts and storage in main menu of ClockworkMod Recovery.

Also be sure to wipe data / factory reset from main menu.

Step 5: Go back to main menu and: install zip from sdcard > choose zip from sdcard > [name of file you transferred to your Nexus S in Step 2]

Step 6: Reboot device from main menu.