Comments on: GSM "Upgrade" Kills Treo 680, Centro Phone Calls
Worse, however, is the corporate buck-passing that appears to be taking place. The carriers concerned are blaming Palm, whereas Palm has essentially EOL'd these phones and has no intention of releasing further ROM updates that may fix the issue. A post on the T-Mobile forums with information from a base station engineer explains the situation in much greater technical detail here. The long and short seems to be that a fix is not coming anytime soon from either party - leaving consumers, as usual, holding the sharp end of the stick.