T-Mobile announces that other than the Lumia 521 and Lumia 925, no other Windows Phones will receive the Windows Phone 8.1 update. So, if you are on T-Mobile and have the HTC 8x, you will not be getting the update. T-Mobile USA said the following in a response on Twitter to a question about the possibility of the HTC 8x getting the Windows Phone 8.1 update:

@Notobadad64 Hi! We have no plans to release a Windows Phone 8.1 update on devices other than the Lumia 521 and Lumia 925 at this time. *CF


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