Install M919UVUFNH7 T-Mobile Galaxy S4 4.4.4 Stock Firmware

T-Mobile Samsung Galaxy S4 SGH-M919 Android 4.4.4 firmware build number M919UVUFNH7.  It is the first OS upgrade to 4.4.4 from 4.4.2  M919UVUFNB4.  The M919UVUFNH7 brings the T-Mobile Free Inflight Texting support.

The M919UVUFNH7 can be downloaded via OTA (over-the-air) or by using Samsung Kies. But for those who are running a rooted device from previous 4.4.2 M919UVUFBNB4 update, or any ROMs and might change your mind and wants that sweet 4.4.4 KitKat update now, this is for you fellas since you cannot get this update as simple as it can be unlike those who are still running on 100% pure official firmware.

The stock firmware below is only for those who did not get this update through ‘OTA’ over-the-air or even Kies and had faced issues like “Software Update Failed” or “This device is not supported with kies” and any similar errors.  So again, if you want to have the 4.4.4 KitKat update installed on your TMO Galaxy S4 just simply grab the 4.4.4 M919UVUFNH7  stock firmware below, for this is your other last resort.   One more thing, the 4.4.2 update now equipped with a secured bootloader which similarly found on 4.3 updates, some circumstances is that you cannot revert back to the older software update version, for this breaks the bootloader image once gets re-written. So make sure to be aware with that if you are planning to install any ROMs that still based on 4.4.2 , or 4.3. If you are also rooted then you’ll lose root once the 4.4.2  installation has made, that’s because official firmware wipes-out any modification you have installed in your device.

Disclaimer: This method is used by Android developers and advanced users only. If ever this is your first time heard about this procedure, please make a careful research first before proceeding. We shall not be held any responsibility if anything happens to your device from using this guide. Proceed at your own risk!

Warning: This stock ROM is only compatible for Samsung Galaxy S4  with SGH-M919 (T-Mobile)  specific model only. Do not ever try to use this firmware on other Samsung Galaxy S4 variants.

FAQ’S:
Q: Will I lose root once using this method?
A: Yes, this will restore your device into official firmware.
Q: Can I install root again once upgraded to this version?
A: Yes, this firmware build can be rooted, but be aware about the new KNOX security platform hidden inside the system that  completely voids the warranty of your device once gets tripped by means of rooting or installing any custom recovery. This sets “KNOX warranty Void: 0×1 from 0×0″ (You can see this when you set your device in download mode). This cannot be reset by any hacking method except by Samsung service personnel using a special reset tool of-course and or changing the entire PCB board.

M919UVUFNH7 Firmware Build Details and Screenshot

Device Name: Samsung Galaxy S 4
Model number: SGH-M919
Country: U.S.A.
Carrier: T-Mobile
Android version: 4.4.4
Baseband version: M919UVUFNH7
Kernel Version:  3.4.0 – 2437203
Build number: KTU84P.M919UVUFNH7
AP: M919UVUFNH7
CSC: M919TMBFNH7
CP: M919UVUFNH7
Build Date: 27, August 2014
Release Date: 10, September 2014

M919UVUFNH7-T-Mobile-Galaxy-S4-M919-KitKat-update

Prerequisites:

Before you proceed prepare these necessary things as follows so you’ll not screw-up your phone:
– If your phone is currently rooted or runs with custom ROM, including custom recovery and modified kernel and any other unsigned system images. You must have reverted back your Galaxy S4 to the official 4.3 M919UVUFNB4 firmware,  unless or otherwise you’ll only get “Authentication” error or failure upon installation.
– Create a back-up all your personal data, like: Contacts, Messages, Applications, Pictures and Videos, so that you will not lost it just in-case something might went wrong after the update.
– Make sure that your Galaxy S4 battery is fully re-charge to ensure stability and to get rid pf power failure issues while updating.
– Close all softwares, such as KIES suite, Antivirus, firewalls, to prevent the possible conflicts.
– Prepare a personal computer or laptop with Windows OS.

How to get the OTA update M919UVUFNH7 for Rooted Galaxy S4 M919

You must unroot or return back your T-Mobile Galaxy S4 M919) to official Android 4.4.2 update build M919UVUFNB4, follow this guide here, – Install M919UVUFNB4 Android 4.4.2 firmware on T-Mo Galaxy S4 M919.
The stock firmware has been there for a while for those who have had root, custom ROM and recovery and wants to return back their Galaxy S4 to complete stock or official firmware. Once installed and completely returned to pure stock 4.4.2 you can then simply run the OTA update via Setting>>Device>>Check for update, to get the M919UVUFNH7 4.4.2 KitKat. You should then fine taking the OTA update from there. Below are the other resources to get the official 4.4.2 firmware.

Upgrade T-Mobile Galaxy S4 SGH-M919 to Official Android 4.4.4 KitKat M919UVUFNH7 (Firmware via Odin method)

Odin Flashing Procedures:

Odin downloader –  Odin3_v3.09 
USB Driver – Drivers are here
Stock Odin Firmware M919UVUFNH7: Download

1) Extract the downloaded firmware or stock ROM. Use winzip, 7zip,winrar or any decompressing program you have in your computer.
2) Run Odin Downloader v3.07 flasher program.
3) Just click on the PDA button then select and load the binary image.
‘M919UVUFNH7 _M919TMBFNH7_M919UVUFNH7_Home.tar.md5′
DO NOT check ‘Re-Partition’ option.
leave these checked: Auto Reboot and F.Reset Time checkboxes.
4) Reboot the Galaxy S4  into Download Mode: Turn it Off first. Now Press and hold the Volume Down, HOME and Power ON button at the same time). You will then presented into a “Warning Message” screen, just press the Volume Up to continue. Once the Android robot and a “Downloading” message appears.
5) Connect USB data cable to Phone. The ID:COM box will highlight and turn to a bluish color when the phone is properly connected and already recognized with Odin.
6) Tick the ‘START’ button when all is set and ready to begin flashing.
7) DO NOT Interrupt, touch nor do anything when the phone is already in flashing progress mode. You’ll messed up the phone if you accidentally interfere the installation. Wait until a word “PASS” appears on the left side of the Odin screen, it is an indication that the installation successfully completes. (If you get failed errors, check the USB connection condition, repeat the whole process)
8.Wait until the phone completely reboots, then unplug it from PC.
Do factory reset again after flashing.
This is only optional just in-case you’ll experience bootloop and lag issues after flashing.
Press and hold Volume Up+ Home+Power button, then select the Wipe Data/Factory Reset, to gain a fresh firmware installed.

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