Why won't ZTE Maven send MMS?

It has great signal and default message settings but it won't send or receive mm messages. What can I do?

What's your network? Are you using an mvno such as straight talk? The phone is set up to work with AT&T for data and texting and MMS. I'd suggest looking up the specific settings for MMS for the network you're on if you're using a mvno. Check out http://www.unlockit.co.nz/ for your network.

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