I have a Sprint HTC-EVO 4G. Today it's snowing, I'm in a downtown high-rise, and I'm only getting 3G. Would a booster antenna help (either now, or in general)?
In general, how can I know whether my 4G phone with a non-stock ROM still has 4G functionality? I've read in various forums and how-tos that rooting and flashing a new ROM on your 4G Android device ...
I bought an HTC Evo off someone and they had it rooted, but for some reason 4G isn't working. I'm not sure if it's because they rooted the phone and it now has wifi tether (idk to much about rooting ...
I have an EVO Shift, and often see an icon similar to 4G! (see enclosed picture with red arrow) in my android status bar. I have consulted with my carrier ad-nauseum, read the manual, rebooted, ...