[Q] Sony Xperia X10 Mini (E10i) July 2010, upgrade from 2.1 to ICS

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http://forum.xda-developers.com – hello! how i do i upgrade my Sony xperia x10 Mini (not pro) i bought last july 2010. my current firmware is 2.1. i want to upgrade/jump it to 4.04 if possible. I dont know how. I dont understand the terms: rooting, flashing, etc. please make me understand. thank you. please comment nicely, :angel: if you dont want to help just ignore, you dont have to scold me for being a noob. i need help thats why im here. :confused: what i see online is the xperia x10 mini 2011 mostly. (HowTos)