saw this and it worked to get me LTE data back:
Check for a PRL and Profile Update
Select About Phone
Select Update PRL And Profile
Tap Phone, then Keypad
.Enter ##UPDATE#(##873283#) on the phone keypad
The device will display Starting Service Update.
Tap OK.When complete, the device will display Service Update Complete.
Hello, mainecrab! Thanks for sharing that with us! We appreciate it!