Although we do tend to get somewhat carried away with the exciting features any potential new smartphone can offer us, our sensible side forces us to consider some of the very basics, like signal strength. Without the ability to yield substantial network coverage, your expensive handset can often be rendered useless, and although you might have thought your signal was relatively adequate already, there's no harm in seeing if you can achieve better. Resident carrier update hacker Joseph Brown has, having previously released a hacked carrier update for T-Mobile offering an overall stronger signal to consumers, done the same kind of thing again, but this time, for certain iPhone and iPad devices on AT&T.
