You may be in the market for a good iPhone unlock. Everyone likes to save money roaming overseas. Some of us just can't stand our current wireless carrier and want to break free. Turns out there's more than one solution available.
Two of the top competing software packages have been released and they are very similar. Even their names, purplesn0w and ultrasn0w are so alike it can be confusing. Turns out that geohot, the developer of purplesn0w, released his source code.