iPhone Serial # Checker (3G & 3G'S)

This freesoftware by chevli is usefull to check your iphone's serial # if it is safe or unsafe to update the baseband from older to 6.15 especially in 3G's, can easily recognized the bootroom with your iDevice through color coding (green > safety & red > risky). It is tested for some advanced user's.

Download: iPhone serial # checker 

credit goes to chevli.