Since i changd my network to Vodafone i cannot get imessaging to work it keeps saying activation failed.
iPhone 4, iOS 7.1.2, imessaging will not connect since
Posted on May 8, 2015 2:33 AM
Q: how can i get my imessaging to work again after changing my network carrier
Take a look at this articles:
https://support.apple.com/en-us/HT201422
http://www.igeeksblog.com/fix-imessage-waiting-for-activation/