So i just got an S5 through Swappa at a great price(540.00) and bought an Straight talk sim (6.99). it took all of a 30 min to port my current Straight talk phone number to my new phone. I get LTE and MMS is working. I would definitely recommend this process to anyone. now we just need root.
This is my Apn settings - Thanks goes out to excaliber88
Name- Straight Talk AT&T (Can be anything you want)
APN- tfdata
Proxy- Not Set
Port- 80
Username- Not set
Password- Not set
MMSC- http : // mms-tf.net
MMS Proxy- 66.209.11.33
MMS Port- 80
MCC- 310
MNC- 410
Authentication Type- PAP
APN type- default,supl,mms
This is my Apn settings - Thanks goes out to excaliber88
Name- Straight Talk AT&T (Can be anything you want)
APN- tfdata
Proxy- Not Set
Port- 80
Username- Not set
Password- Not set
MMSC- http : // mms-tf.net
MMS Proxy- 66.209.11.33
MMS Port- 80
MCC- 310
MNC- 410
Authentication Type- PAP
APN type- default,supl,mms