After another contact "disappeared" I did a factory reset. It was a pain as I had to set everything up again but it did fix it. I think there were just too many messages in the chat thread so now I try and delete on a regular basis so it doesnt happ...
I'm having the same problem it started 2 days ago, I have deleted the contact and then put it back in that didnt work. I have all the latest updates from Blackberry so that's not the issue. It's so frustrating, the contact is my sister and my most ...