nokia lumia 920 apn settings

[sorockin]

i am having trouble with the apn settings for a nokia lumia 920 running windows phone 8.1.
i have tried the setting below and they work for internet, but not for mms. any ideas what else i could try?
Internet APN:
APN: tfdata
User name: (blank)
Password: (blank)
Proxy server (URL): (blank)
Proxy port: (blank)

*MMS APN:
APN: tfdata
User name: (blank)
Password: (blank)
WAP gateway (URL): mms3.tracfone.com
WAP gateway port: 80
MMSC (URL): http://mms-tf.net/
MMSC port: 80
Maximum MMS size: (blank)

[ST-Yvonne]

Hi sorockin! My name is Straight Talk Yvonne. Let me continue to help you. I've sent you a private message. Please check your Forum inbox. The Forum inbox is located at the upper left corner of this Forum beside the User Control Panel (1 new message). Thanks.

[Gill]

I have tried just about every APN setting I could find on the internet and still cannot send a picture on my 920.

[ST-Mary Ann]

Hi Gill! My name is Straight Talk Mary Ann. I’m going to try to help you now. We need to take this issue offline so I can address it further. I will contact you directly with a private message. Thank you.

[Gill]

I have lost data on my Lumia 920. Are there new settings required?

[ST-Jean]

Hi Gill! My name is Straight Talk Jean. For us to address your concern, we need to take this issue offline. Please check your Forum inbox for a message.