I have been getting an SMS Error for approximately one week, since last Saturday when I had a large software upgrade. The error happens when I text certain people, specifically people synced through Facebook. The details of the error are "SMS Error, Cause Code 34, Error Class 2." I have spoken to 5 or 6 tech support people and I have done a hard reset, soft reset, they have opened a ticket with upper techs, I have taken it inside a store....I am getting very annoyed, needless to say. There was a suggestion that the problem is that when I sync my contacts with Facebook, it adds a +1 to the number. This is the default format in Facebook as I checked my own profile. This is probably the issue but I want it fixed. I cannot edit the contact information of those I have from FB and when I try to link it to a new contact that does not have the +1, it still defaults back to the FB one. Is anyone else having this issue? I know I could just suck it up and use normal contacts, but this is supposed to be one of the phone's features and if it isn't working then I want a new one. I have had the phone 3 months and I have not had any issues until this last update I downloaded.