ContribucionesMost RecentMost LikesSolutionsRe: msg code 2300 I went to a TMobile store yesterday and the associate logged into my account on the TMobile app and found that the messages box was marked to block messages. One click and it was resolved. Re: msg code 2300 I also have the same issue. If the message and recipent are green, I get the 2300 blocking code. It just started a week ago. i have latest updates, 2 party authentication, everything else works. Have he problem with single and group recipients