How to Unbrick AT&T Galaxy Note 3 SM-N900A

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It’s said that it is only through rooting an Android device that we can make the most out of it. There are hundreds of good root apps that can help you customize your device and improve its performance. The wish to get the best of the device we own often prompts us to involve us in activities like rooting  the device and installing a custom recovery on it.

Indeed, having a rooted smartphones has its own advantages but it also involves risk of various natures. While in most cases, the procedure of gaining root access goes successful, there are still chances that you might find your device caught in a bootloop. Sometimes, trying to install a custom recovery on a device with secured bootloader bricks the device and it refuses to turn on.

In many cases, the device keeps showing the boot/splash screen but the users are able to boot the device in Download Mode. If you can access Download Mode on your Samsung Galaxy device, it simply means that it is soft-bricked and there are still chances that you can revive it.

Today, we shall see how to unbrick AT&T Galaxy Note 3 SM-N900A from a soft-bricked state. Please note that to be able to use the method described below, you must be able to boot your Note 3 into the Download Mode. If you want to downgrade your AT&T Note 3, you can do it too but in that case, you will have to leave the Bootloader box (shown as BL in Odin) blank. Since the AT&T Note 3 comes with secure bootloader, it does not let flashing a lesser version that your device has.

Getting Prepared

Before we proceed to install the stock firmware on the AT&T Galaxy Note 3, here are a  few preparatory steps that you need to make:

Please note that after extracting the firmware zip file from above, you’ll find many files. Normally, Samsung firmwares come in singles with .tar.md5 extension. The firmwares provided on this page are multi-file because different components of the firmware have been separated. Inside each of the zip files, you will find the following components:

  • AP = Android Platform
  • BL = Bootloader
  • CP = Modem (radio)
  • CSC = Region & Network operator
  • PIT = Partition table

at&t-note-3-firmware

Unbrick AT&T Galaxy Note 3

If you have downloaded the firmware file for your AT&T Galaxy Note 3 and have already installed the Samsung USB Drivers on your computer, let’s now do the real action, but carefully!

  1. Boot your Note 3 into Download Mode. You can do so by turning off the device and then pressing the Volume Down + Home + Power buttons together for 2-3 seconds. When you see the warning screen, press Volume Up to enter Download Mode.
  2. Connect your phone to computer via USB cable.
  3. Go to Odin folder and launch the program. Wait till your device is detected by Odin and the ID:COM port turns blue and you see “dded!! message on it.
  4. Now click on BL/Bootloader button and select the file in firmware that begins with BL. Leave this field blank if the firmware build version you are going to install is lesser than the one present of your AT&T Note 3.
  5. Click AP/PDA button and select the file with AP in its name.
  6. Then click the CP/Phone button and select the file beginning with CP.
  7. Click CSC and select the file with CSC in its name.
  8. Then click PIT and select the file with .pit extension.
  9. Auto Reboot and F.Reset Time options are checked by default in Odin. Make sure that they are selected.
  10. Since we are using the PIT file here, you’ll have to select Re-Partition option too.
  11. Finally, click the Start button and wait till the firmware is installed on your device.
  12. Unbrick-ATT-Galaxy-Note-3-Odin
  13. You will see RESET/PASS! message and you phone will reboot automatically.

Wait till your Note 3 boots up. Done!

Gettings a Bootloop?

In case your AT&T Note 3 refuses to boot normally and it hangs on the Samsung logo bootanimation, here’s how you can fix the bootloop:

  1. Remove your phone’s battery, wait for 30 seconds and reinsert it back to its place.
  2. Now boot the device in Recovery Mode. Press and hold the Volume Up + Home + Power buttons together till the screen turns up and the Samsung logo blinks for two times. Release the Power button but keep the other two keys pressed till you see the recovery screen.
  3. Having entered the Recovery mode, scroll down to wipe data/factory reset option and select yes to confirm your choice.
  4. Then wipe cache partition.
  5. Finally, select reboot system now.

With the hope that this tutorial would have proved helpful to you in recovering in soft-bricked AT&T Note 3 SM-N900A, we put our guide to en end here. Please do not forget to your feedback or doubts via comments below. Cheers!

Also see

How to Update AT&T Note 3 to Lollipop and Root it

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