T-Mobile started carrying the Sony Xperia Z smartphone earlier this year, around the time when Sony rolled out the Android 4.2 Jelly Bean update for the international variant of this very same smartphone. T-Mobile subscribers who own this device can rejoice today as the carrier has finally released a software update which bumps up the firmware version, unfortunately its just Android 4.2, a version of Google’s mobile OS that’s nearly an year old. Magenta has certainly taken a lot of time in testing this update, so only can only imagine when Android 4.3 might be rolled out, if things continue to move at this pace.

Nevertheless, the new software update is available for download right now. It weighs in at nearly 185MB, though there must be 200MB free on the device for the download to begin. Software version is bumped up to 10.3.1.E.0.191, which brings Android 4.2 Jelly Bean and all the changes associated with it. The roll out continues until December 18th. It is pushed over-the-air, so head over to the Settings app followed by the About phone menu and tap on Software update to begin. For those who feel adventurous, there’s an unofficial Android 4.4 KitKat ROM out already for the Sony Xperia Z.

Filed in Cellphones. Read more about Android 4.2, T-Mobile and XPERIA Z.

Key SpecsXperia Z
Display Diagonal5"
Processor/Soc NameMDM9215M /, 4-core, 1.5 GHz
Street Price (Approx)~ $350
Search low Xperia Z price (Amazon)
Max. Total Storage Capacity80 GB
Megapixels13.1 MP
Battery Capacity (mAh)2330 mAh
Complete product dataSony Xperia Z Full specs and details
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