I purchased the US roaming for $8. My phone is set with roaming turned on - it is connected to TMobile. But I am not receiving texts except when I am on wifi. Even got a message from Public Mobile that I was in the US and could purchase an add-on...
I had the same problem and I did this, but your suggestions didn't work. START gave me the message that it was an invalid response. YES2 said I've already reached the maximum number of purchases allowed.
Thanks everyone. Bought data too and now it is working. So, to be sure I understand, if I have iMessage on, then I have to have data in order to send or receive any texts. If I turn iMessage off, then my data is not used up from texting. Is that ...