Hello, I bought used 8800pro, the seller told me that he upgrade it to version 2.35 but he is not sure if he did it correct...When check the phone was working and all was fine, but I did not check wifi. At home whenever I try to connect to wifi it shows : fail. It does not show list of net at all. I even restore factory , but nothing is helping. I can connect to internet by the local GSM supplier. Do I have to reinstall android and maybe straight to 4.0 icecream version? if yes, how to do it? Thank!