MMS messaging on rooted Orange SF/ZTE Blade

[Guest murf95]

Hi folks, Anyone have any idea how to solve this problem. I rooted my Orange San Fransisco/ZTE Blade and debranded it from Orange. Now on Giff Gaff. However have never been able to send or receive MMS messages, despite changing APN etc. I will occasionally receive a message from O2 to tell me I have a MMS message which I can view online!!

The Giff Gaff APN is supposed to delete all O2 bits so why do i get messages from them. I know that Giff Gaff operates on the O2 network.

Please anybody got any constructive ideas??

Thanks in anticipation. Murf