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Xperia Z1s 14.4.B.0.37 firmware Android 4.4.4 KitKat update rolling for T-Mobile US users

Sony has finally rolled much awaited Android 4.4.4 KitKat update on T-Mobile Xperia Z1s C6916 for US users in form of 14.4.B.0.37 firmware via PC Companion. Xperia Z1s was launched at CES 2014 event with android 4.3 out of the box. Sony has not updated the latest build on its product page yet.

14.4.B.0.37 firmware brings features like new Xperia home launcher, new Xperia themes, customized Xperia Keyboard, transparent navigation and status bar, white status bar icons, new Sony Media apps, new bootanimation, more responsive touch screen and features like answering machine in call settings. Compatibility with Sony SmartBand SWR10 is also there now.

Xperia Z1s 14.4.B.0.37 firmware Android 4.4.4 KitKat update

Below you can see the Xperia Z1s 14.4.B.0.37 firmware Android 4.4.4 KitKat update notification on mobile.

14.4.B.0.37 firmware about phone details below.

Image Credits : troby86

Note : We noticed that still bootloader unlocking is not allowed on Xperia Z1s C6916 on KitKat update.

We will soon try to post the 14.4.B.0.37 firmware ftf for manual flashing.

If you have already updated your Xperia Z1s C6916 on 14.4.B.0.37 firmware, let us know your views on it. Liked the new features. Drop your comments below.

Tags: 14.4.B.0.37 firmware14.4.B.0.37 firmware boot loader unlock not allowed14.4.B.0.37 firmware changelog14.4.B.0.37 firmware ftf14.4.B.0.37 firmware rolling14.4.B.0.37 firmware screenshots14.4.B.0.37 firmware updateAndroid 4.4.4C6916 14.4.B.0.37 firmware ftfDownload 14.4.B.0.37 firmware ftfXperia Z1S
Anurag Kumar: Blogging as a hobby. Sales & Marketing Professional. MBA (IB) from IIFT Delhi (2015-17). Founder & Editor-in-Chief of GizmoBolt.com ( formerly XperiaGuide.com ) , TipsySafarnama.com & TipsyChai.com. Follow at Facebook I Twitter I Google Plus | LinkedIn | Instagram. Contact at anurag@gizmobolt.com for feedback and sending tips. Donate Us.

View Comments (3)

  • why my phone does not have the 4.4 update kitkat although I have sony pc connected company ?????????

  • Before the update to 4.4.4, I was able to save or delete files to the external memory card with third party applications, now it is only possible with the internal manager... I'm reverting back to 4.3 That's a feature I cannot loose.

  • My phone updated to 4.4.4 and no i cant use the root exploit jcase and beaups set up how do i revert?

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