The configuration above only setup internet. To setup MMS you have to follow the manual steps. Just skip the steps about setup internet.
This guide will show you how to set up MMS on your iPhone either by resetting your phone to default MMS settings or by setting up MMS manually.
Your phone will reset to default Internet and MMS settings. MMS problems should be solved at this point. Please continue the guide if you still cannot send/receive MMS.
Note: Only the values that are highlighted in yellow should be changed.
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http://mms1
10.151.0.1:8080