This app resets your signal so that your iPhone will devote its resources to a new and stronger signal. It aims to give you the strongest possible voice/data signal at your current location.
Go for the best possible call quality and faster download times! Tell your iPhone to get back on the 3G network! It refreshes your wi-fi connection as well! Save time re-starting your iPhone or fiddling with utilities. Boost a weak signal with one touch!
Signal Booster is available from the Cydia Store for $0.99.