As-Salam-o-Alaikum Guys....... First of all i bought my Nexus S I9020 recently.......... And though im a android NOOB.... But any way the software this is currently running on is Ndroid 2.3.1 and there is a update to 4.04 but whenever i try to update it it gives an error and doesn't continue so i wanted to ask the other method for upgrading to 4.1 or 4.04 Or what should i do to Officially upgrade it ? Need suggestions fast ...........