Bell Z3 Compact on Virgin Mobile (Canada)

Hello,

First post ever here.

I finally switch from an Iphone to an Android (Z3 Compact) and so far I'm loving it!

I only have one issue that is a bit frustrating.

The phone I brought is Bell locked and my sim is Virgin Mobile, and everything works (including data) EXCEPT MMS.

I tried using the Virgin APN settings from several sites and still not luck.

Could it be something else than the APN? Or is my phone incompatible?

Sorry if its a stupid question, I am still an Android noob :)

Also excuse my english, it is my second language.

Any help would be appreciated