T-Mobile has now flipped the switch on Lumia Cyan update for Lumia 521. As per the tips received, T-Mobile Lumia 521 has started receiving the much-awaited update and the update brings “inflight texting support” other than all changes that come with Windows Phone 8.1 OS and Lumia Cyan firmware.
You can read about the plethora of new features and changes that Windows Phone 8.1 and Lumia Cyan brings and which you can read at our dedicated page
T-Mobile has released Lumia Cyan for Lumia 925 last week and our sources told us that it was due soon for Lumia 521 and we have it rolling out now.