Initial Steps to Install Firmware

1. Download Samsung USB Driver for Mobile Phones
2. Download Odin Samsung Flashing Tool

How To Install ROM Samsung Galaxy S6 SM-G920A (AT&T)

1. Download Samsung USB Driver for Mobile Phones
2. Odin –flashing software tool for Samsung Android smartphones
   2. Flashable firmware – the latest Samsung firmware update for your device
3. Download Odin devices might have trouble using this version of Odin, so if you own one, search for your device here).
4. Extract the content from Odin to your computer.




5. Download the latest firmware for your device.
6. IMPORTANT! Samsung Kies is not compatible with Odin. You have to make sure that Kies is not running in your system tray. It is recommended to uninstall Kies before using ODIN.
7. Download and install the Samsung USB Drivers.
8. With the device turned off, press ‘Power+Volume Down+Home’ to enter Download Mode. (If this key combination doesn’t work, just Google ‘Device Name+Download Mode’).
9. Connect your phone to your PC with the USB cable.
10. Right click on Odin  and click on ‘run as administrator’.
11. After flashing process starts and might take up to 5-10 minutes. So keep patience and wait
12. See detailed Instruction Samsung flashing Odin Flash Tool with images