How to Restore AT&T Galaxy Note 5 to Stock Firmware

The Galaxy Note 5 is the latest flagship phone from Samsung and sports the latest TouchWiz UI. Although Marshmallow update is on the way, the AT&T variant has received a new OJ1 firmware upgrade. This update brings many security and stability fixes. It incorporates support for Gear VR features and Android for Work. Additionally, Samsung Knox has been updated to version 2.5.1 and other such general fixes can be seen.

Although firmware file for AT&T variants may get complicated, here we are with the full Odin restore file for the Note 5 SM-N920A variant. If for any reason you have installed a custom ROM or have heavily modified the firmware, then you must restore the firmware to stock, in order to receive future updates from Samsung.

Going through this procedure will restore everything to stock including the stock recovery. So any changes to your device like root, Custom Recovery, and others will be lost. As it will perform a clean install, all your apps, data will be lost.

To update your phone to the latest firmware, you will need the Odin software for flashing purposes. It can be useful in flashing a range of things including firmware, custom recovery, CF-Auto-Root and more. Odin performs a clean install that means, it removes the old firmware and flashes a new one.

Warning: We won’t be liable for any damage to your device whatsoever. We at Droidviews, won’t be held responsible if you brick your device. Reader’s discretion is advised.

Requirements

• Make sure you have the perfect device and variant. This guide is compatible with AT&T Galaxy Note 5 variant only and it will take your device to firmware version N920AATT2AOJ1.
• Make sure you have fully charged your Galaxy device or at least up to 60% of the battery.
• Enable USB Debugging on your phone.
• Make sure you have Samsung drivers installed on your PC.
• Download the 7zip software to extract the zip file to get the firmware file which is in .tar.md5 extension.

Download Section

Firmware for AT&T Galaxy Note 5

Odin Software — Download | Odin3 v3.10.7 or older

Backup Your Apps and Data
This process will wipe all of your data and apps. It is recommended that you backup your apps, contacts, messages, photos, videos and any other important data stored on the internal storage of your phone. Get some of our useful backup apps from the DroidViews archives. This will help you backup your device data easily.

Restore AT&T Galaxy Note 5 to Stock N920AATT2AOJ1

• Download OJ1 firmware for your Galaxy Note 5 from the download section. If it is a zip file, extract it to get the firmware files with .tar.md5 extension.
• Now turn off your phone and boot it into the Download Mode. To do this, turn off your device and then press and hold Volume Down + Home + Power buttons simultaneously for 2-3 seconds. When you see the warning screen with a yellow triangle sign, press the Volume Up/Down key to enter Download/Odin mode
• Download the required Odin.zip file and extract the file on your PC. You will get the Odin3_v3.10.7.exe file. Run the file as administrator to get the Odin window.
• Connect your Galaxy device to the computer using the USB cable.
• When you connect the device, the ID: COM port on Odin will turn Blue. You’ll also see“Added!!” message to indicate a successful connection.
• If in case, Odin doesn’t detect your device, troubleshoot the following:
  • Reboot your phone and turn off USB Debugging and turn it on again.
  • Try reinstalling the Samsung USB Drivers.
  • Try changing the USB cable and connecting to other ports.
• Now click the buttons on Odin window and add the firmware files simultaneously. Take a look below:

AP_N920AUCU2AOJ1_CL5921265_QB6487430_REV00_user_low_ ship.tar.md5
BL_N920AUCU2AOJ1_CL5921265_QB6487430_REV00_user_low_ ship.tar.md5
CP_N920AUCU2AOJ1_CL5921265_QB6487430_REV00_user_low_ ship.tar.md5
CSC_ATT_N920AATT2AOJ1_CL5921265_QB6487430_REV00_user_ low_ship.tar.md5

• In the Options section, make sure that only the Auto Reboot and F. Reset Time boxes are checked. (Do not, in any case, check Re-Partition box)
• Before you proceed to firmware installation on Odin, make sure everything is set according to the screenshot.
• Now, click the Start button on Odin to begin firmware installation.
• Once you get a PASS! message on Odin, your device will restart. It’s the green signal that indicates a successful installation. In case you get the Fail! message, go through the guide and requirements carefully.

Once you have successfully booted into the firmware, you can now enjoy your new firmware.

If you come across boot loop, then this may occur sometimes when you have installed a new firmware. To solve this, remove the battery (if removable) and then put it back again. Boot into recovery by holding Volume Down + Home + Power. In Recovery, select “wipe data/factory reset” then select “Yes” This will delete all user data. Now select Reboot to System. If you want a detailed tutorial for these steps, head over to the link below.

• Perform Data Factory Reset on Samsung Galaxy Devices

For a detailed guide on how to install the firmware on Samsung Galaxy device, get to the following link:

• Install Stock Firmware on Samsung Galaxy Devices Using Odin

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