Sometimes, updates aren't as sweet as they initially sound. Such is the case with Android 4.0.4, which recently rolled out to owners of the GSM Galaxy Nexus. According to an increasingly vocal swath of members at xda-developers (and confirmed by a listing on Google's own Support page), there are mysterious signal issues now troubling the device. For many users, there's an inexplicable loss of signal -- a complete inability to make or receive calls and text messages -- after applying the v4.0.4 update, thoug
