Can't send/recieve MMS messages. I also cannot connect to 4G or LTE. Any ideas?

A

AC Question

It's an HTC One M7 Unlocked on T-Mobile network. Details below.

*** LOCKED ***
M7_UL PVT SHIP S-ON RH
HBOOT-1.57.0000
RADIO-4T.28.3218.04
OpenDSP-v32.120.274.0909
OS-6.11.841.9
eMMC-boot 2048MB
Dec 18 2014, 18:18:03.0

Is there any way to get this onto T-Mobile 4G LTE and get it to be able to send/receive MMS messages? I have read some about people changing their RUU to fix the MMS issue, but when I try to run the install wizard it gives me Error 170 saying that my phone isn't connected to the PC, but it is.
 

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