How to Root Sony-Ericsson Xperia Arc S On Official Ice Cream Sandwich Firmware

Today I'll show how you to root the Xperia Arc S on latest Android Ice Cream Sandwich firmware. Rooting will improve your user experience as you would be the super-user and would be able to overclock the device; not only that, you would be able to uninstall/freeze manufacturer/carrier bloatware, install custom ROM’s like Cyanogen Mod, MIUI etc. Follow the instructions precisely to root your Sony-Ericsson Xperia Arc S.

Things to know First

• The instructions provided here are only for Sony-Ericsson Xperia Arc S.
• This tutorial will root your Xperia Arc S on official ICS firmware.
• We are not at all responsible for any damages caused to you or your Gadget while you follow our instructions.
• Rooting will void the warranty of your phone.

Requirements

• A computer running windows.
• Backup all your Phone Data. Read our guide on how to take a complete backup of Android Gadgets.
• Enable USB debugging on your phone by going to "Settings > Applications > Development > USB debugging". Make sure the USB Debugging option is ticked. 
• At-least 70% of Battery juice (charge !) remaining.
• Make sure that USB drivers of Xperia Arc S are installed on your PC.

Step by Step Instructions

• Firstly, you have to download the Xperia Arc S rooting package from here.
• Now, extract the contents of the downloaded package. Make sure you have the following :

1. A folder labelled files.
2. A batch file labelled "runme.bat".

• Now connect your phone to PC.
• Now double click on "runme.bat" and wait for the rooting process to complete. 
• Reboot your phone after the rooting process completes. 

Voila ! You have successfully rooted your Sony-Ericsson Xperia Arc S On Official Ice Cream Sandwich Firmware. Enjoy the rooted ICS firmware with the bunch of cool features.

Good-Luck !