My Samsung Galaxy S2 will not let me change the APN so I can use all my data features

[bdmcb4212]

I use Straigh Talk and wanted a Galaxy S2 so I bought one from an idividual that was unlocked. It is a ATT tracfone and when I go to try and change the APN or create a new one by hitting the menu key it only asks if I want to reset to default. It I click on the ATT MVNO wap.tracfone one. I can view the setting but they are not highlighted and I cannot change them. The Use packet data is selected. I can use everything when connected to wi fi except picture messaging. When not connected the only thing I can do is phone and text, no emails or inernet. Please help me if you can.

 

[smith6806]

I have the same problem with my Tracphone Galaxy s2. It will not allow me to change the APN. Did you find a solution?
Thank you.