[HELP]Xperia Arc LT15i stuck on SONY after installing Xperia Ice Bean

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http://forum.xda-developers.com – Hi After attempting to install Xperia Ice Bean on my Xperia LT15i awhile ago then reboot the phone, I am now astuck on SONY Logo. Itried giving n 10 minutes to wait for the tools to be installed however, I still got this SONY logo. I performed full reboot by removing the battery and still getting the same. Now, I'm trying to revive my phone by installing the stock ROM of ICS 4.0.4. Can somebody help me on this. I'm so nervous already that I might not be able to revive my phone. Please I need your help guys ASAP. Thanks, I can donate some of my cash to your build if I reviv (HowTos)