T-Mobile has 'no plans' to roll out Windows Phone 8.1 to devices older than Lumia 521 and 925

[Windows Central]

We've got some sad news for those of you rocking an older Windows Phone device on T-Mobile today: if you own anything older than a Lumia 521 or 925, you won't be seeing an update to Windows Phone 8.1.

Full story from the WindowsCentral blog...