*BACKUP YOUR DEVICE:
After the USB Drivers check, make sure you make a backup for your important data for safe side.Backup your Apps.
•Backup your APN Settings: GPRS, 3G, MMS Settings,etc.
•Backup your Contacts, Gmail and Google Data using Google Sync.
•Backup your SMS, Messages even WhatsApp Messages.
If you are using an Official firmware and Updating your device to another Official Update, then you can use Samsung KIES for backup.
For Custom ROM users, make sure you create a complete backup of your device.
•This guide is only for Installing M919UVUFNH7 Android 4.4.4 on T-Mobile Samsung Galaxy S4,don’t try on other devices.
•This process will Wipe all your Data.So make a Backup first
•Do it on you own risk and follow the steps carefully.
•First Download M919UVUFNH7 Android 4.4.4
and Odin on your computer.
•Extract the zip file and open Odin.
•Turn off your phone.
•Start your device in Download Mode by pressing Home + Power + Volume down button simultaneously.
•Once in Download mode connect your phone to your Computer using original USB cable and wait till the ID:COM section turn blue/yellow in the Odin.
•Now select the files that you have downloaded.
•Click on ‘PDA’ and select file named ‘CODE’
•Click on ‘Phone’ and select file named ‘MODEM’(Ignore if not such file found)
•Click on ‘CSC’ and select file named CSC’(Ignore if not found)Click on ‘PIT’ and select the .pit file. (Ignore if not found)
•Don’t forget to Enable Auto Reboot and F.Reset in Odin.Enable “Re-Partition” option only if you are using .PIT file.
•Click on “AP” / “PDA” and select the firmware file.
•Click on “Start” and wait till the process ends, it will take around 4-5 minutes to complete.
You have successfully Installed M919UVUFNH7 Android 4.4.4 Official Firmware on your T-Mobile Samsung Galaxy S4.
If your device don’t start properly or stuck in Boot Loop, then just turn it off, remove the battery and re-insert it.
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