I have an iPhone 3GS on iOS 5.1.1 baseband 6.15.00 and whenever i put location services on and go into the maps application then the signal goes low or says no service , can someone tell me how to fix this problem and i deleted redsn0w and cant remember which one i had used to jailbreak and install ipad baseband with but i just installed redsn0w 0.9.9b6 on my computer , what shall i do , plz can someone give me a list of easy instructions on how to fix this or a video without wrecking my iphone?