Hi i have had my samsung galaxy s2 for 6 months now, yesterday i was messing around and noticed you could update so i did i now have android 4.0.4 im not sure what it was before. anyway my phone is running rubbish now internet is crap and i cant recieve messages?? and the messages i send are sending but the people arent recieving? is there anyway i can get the old android back without rooting. really wish i hadnt updated, thanks

