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Fix Bricked Galaxy S4 M919 or M919N (T-Mobile), Unbrick and Recovery Guide

If you have bricked T-Mobile Galaxy S4 SGH-M919 by messing-up from tweaking then you should try this solution that might saved your phone back to life. This solution is adapted from fixing Galaxy S3 but so it also did worked for Galaxy S4. A bricked phone are usually fixable, for some reasons that you messed up from flashing a wrong ROM – bootloader images from other Galaxy S4 variants which is not compatible for your device.

It was also bricked from  rooting process because you installed with a wrong root kernel images. Those are just the most common issues why you screwed up and ended-up bricked your Samsung Galaxy S4 phone in a wrong place and in and in unexpected

Symptoms of bricked Samsung Galaxy S4 (T-Mobile SGH-M919)

Here’s a couple issues you might be facing by now and wonder how to resolve it.
1. The phone boot and shows the Samsung screen for a split second and then it automatically turns off.

Somewhere stuck on these following boot screen.

1st boot screen: ‘Samsung’
2nd boot screen: ‘Samsung Galaxy S4’
3rd boot screen: T-Mobile splash screen
4th boot screen: pulsating ‘Samsung’

2.  It won’t  Power ON but it just shows the odin download screen with yellow triangle and firmware update warning.
3. The phone keeps on restarting (with vibrations) after the Samsung logo appears.
4. The phone is totally dead, unresponsive or no visible signs of life.

Does a bricked Samsung Galaxy S4 (T-Mobile  SGH-M919/M919N) can be fix or recover back to normal?
Yes and NO, there are two types of bricks – the softbrick and hardbrick.
The Softbrick – can be recovered if you can still access your Galaxy S4 Download Mode screen –  (Pressing VOLUME Down + HOME + POWER button). Try to press that button combination. If you can access the download mode option, then your seemingly quite lucky for  there’s a chance that you can recover it by yourself.

Hardbricks – refers to the phone as totally jammed, it doesn’t show anything, can’t access the download mode screen. The only solution for this is by called JTAG flashing, which is forcing to install the firmware back to the phone. The process is not too easy, this includes disassembling the phone, some soldering required and flashing by means of using a flashing device tool. So this method means that you cannot save your device all by yourself anymore. If you badly need  to have your Galaxy S3 back to life if you can’t recover it anymore with yourself is to bring it back to your dealer. Explain something  that might encourage them to have your phone fix for free or have an exchange for warranty.

I can still access the download mode!
Seems you’re still lucky! If you can still access the phone into download mode, then try this method below, this might help you to restore it back to normal. If not, then this guide is not useful for you anymore.

Fix bricked Samsung Galaxy S4 (T-Mobile SGH-M919/M919N) Flashing with Original stock ROM or Firmware

Now, if the phone still doesn’t respond after restoring the original boot image, this time we are going to flash its full packaged firmware by using Odin flasher tool and the original factory stock firmware itself provided by Samsung.
Grab one of these SGS4 M919 Original or Stock firmware version. If you still remember what Android version you run before the bricks occurred then choose that stock firmware file such as 4.2.2, 4.3 or 4.4.2 KitKat. There are two versions of T-Mobile Galaxy S4 – the M919 and M919N so make sure you to correct file.

(Extract or “unzip”  the firmware file after downloaded so that you’ll get the .tar.md5 file. Use Wirar,winzip , 7zip or any extracting software you have in your computer)

Again make sure the battery is fully charge (recharge the battery using external battery charger)
1. Run Odin on your PC desktop
2. Boot the Galaxy S3 into download mode screen for Odin.
Turn it off, once completely shut down  hold down the ‘HOME’ + ‘VOLUME DOWN’ buttons and press the ‘POWER’ button for about 2 seconds until a WARNING! Screen appears. Press the ‘VOLUME UP’ button to continue or enter Download Mode.
3. Connect the phone to PC via USB. Then make sure you can see as phone “Added” in Odin log box or highlight the COM:ID once the device is detected,
4. In Odin window, DO Not tick ‘RE-Partition’  only Tick ‘Auto Reboot’ and ‘F. Reset Time’ and nothing else.
5. Now load the file i.e “M919UVUEMK2_M919TMBEMK2_M919UVUEMK2_HOME.tar.md5” in Odin’s AP button.
6. Click on “Start” to flash the stock firmware
7. Wait until the flashing successfully finishes, you’ll just see a word ‘PASS’ in odin.

Fix bricked T-Mobile Galaxy Note 4 M919

If you have gone this far and your device booted-up, then your are lucky., and if not, there’s nothing I can do to add more but just recommend  you to contact or visit your nearest service center.

Sometimes you need to repeat this process one more time if you seen  bootloops, stuck on welcome screen logo.

You may then perform factory reset if necessary.
– Turn off the phone and set it into recovery mode
– Press volume “volume up, home and power buttons”
– Once in recovery mode, perform full wipe
– Select ‘wipe data/factory reset’
– Lastly select ‘reboot system’ now and and wait ’til your phone completely reboot in normal mode.

 

How to Avoid bricking your Galaxy S4 M919

Don’t Flash or use other variants  ROM and kernels. (If you find any instruction on the web or forum read it carefully or ask something that you don’t understand). Don’t ever use root kernels and system images or any other custom ROM builds for other Galaxy S4 variants for it is uses a different system images.

 

7 thoughts on “Fix Bricked Galaxy S4 M919 or M919N (T-Mobile), Unbrick and Recovery Guide”

  1. I have a galaxy s4 witch it had CM11. When i tried to go back to official it bricked. it says Firmware upgrade encountered an issue but i can still access download mode. Do you think i can use this tutorial to unbrick it? and what version do you think i should flash? the newest or the one i had before the custom rom? Thanks for you help.

  2. Just send it to flashy phones. Go to ebay and pick the 21$ one under jtag services. Put jtag services in search box.

  3. I want to flash the stock T-mobile rom to my SGH- M919V which is a Nextel Version of the phone, unlocked. Anything to watch out for or is this a direct path to soft brick
    Thanks

    1. Just to make sure and get rid of soft brick just look for Canadian stock firmware as it has the same build on your SGH-M919V version..

  4. Did exactly the instructions provided, but my phone just says “RECOVERY BOOTING….” with the Samsung Galaxy S4 logo forever. Please help!

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