Lumia 520 with T-Mobile MVNO's

[taltrap]

I wonder if anyone using Lumia 520 with any T-Mobile MVNO's, especially Lycamobile or Ultra Mobile. I've been advised that I should get Lumia 521 for better connection/coverage under T-Mo network but I really like to get 520 instead of 521.

 

[taltrap]

anyone?

 

[ReconVirus]

The 521 is the 520, just I uses T-Mobile brands for data