TUTO: Install Jelly Bean on your Xperia Arc using ParanoidAndroid Rom

Don’t say no, I can still hear it.

So you will conquer by learning that ParanoidAndroid Rom will bring you a completely different user interface. New features like a faster web browser, Google voice recognition, and of course the smoothness and stability of Jelly bean.

We will see together how to install it on your lt15i.

Warning :

• The instructions you are about to follow are intended for use at Sony Ericsson. Xperia Ark.
• Read and understand the entire Tutorial before actually following the instructions.
• This operation involves risk. Moyens I/O cannot be held responsible for any problems encountered.

• Then go to Mounts and storage and choose Format / system.
• Let’s go For installing rom.
  • choose Install zip from sd card
  • then choose choose zip from sdcard
  • Browse the contents of your memory card and Rom ParanoidAndroid
  • Verify by doing Yes – Download ParanoidAndroid.zip
• Do the same for Google Apps.

Wait for the installation to complete and then reboot system now to restart your phone.

Congratulations you have installed ParanoidAndroid Rom, now you are running Jelly Bean 4.1.1.

Source: XDA Developers