Sony has finally started seeding out the long-awaited KitKat OS update (firmware build 14.4.B.0.37) for the T-Mobile Xperia Z1S (C6916) smartphone, adding a slew of new features & UI ameliorations like overhauled Quick Settings layout, transparent notifications bar, new themes & boot animation and Sony SmartBand wearable compatibility. Moreover, Sony promises that this update will improve overall system stability, call reception/quality and touchscreen responsiveness.

If you haven’t got the update via OTA yet, you can download its FTF file via the direct download links given below and then flash it manually on your Xperia Z1S LTE using the latest version of Flash Tool. [Read more…]