Samsung Galaxy Grand 3 Max SM-G720AX firmware flash file stock ROM
Here you can download Samsung Galaxy Grand 3 Max SM-G720AX firmware flash file stock ROM. It is an original SM-G720AX firmware (stock ROM) and does not void the warranty of Samsung device.
Note: if firmware for your country is not available you can install any firmware from the given list. Except those which comes with their carrier name. Also read how to install Samsung firmware.
How to flash Samsung Stock Firmware via Odin
Before flashing Samsung firmware:
➨ Battery must be charged more than 30%.
➨ Install Samsung USB Drivers on Windows PC.
 Boot your Samsung device into “Download Mode“:
- Switch off your Samsung Device.
- Press ” Volume Down + Home + Power ” buttons together, hold for 5-8 seconds, a Warning message will appear on the device screen.
- Press Volume-Up to accept the Warning Message and device will start in Download Mode.
 Download and extract the firmware file and get the flashable .tar.md5 file.
 Next, download and Run the Odin.exe (Samsung Flashing Tool) on PC and Connect the device via USB cable to the PC. The Odin detects the Samsung device and shows an “ID:0/***> Added!!” text in the message box.
 Click on the “ Start button ” at the Odin window and wait till ends the process. You’ll see a “PASS!” text message in green Colour.
 Finally, the Samsung device will automatically reboot after full Odin process. Now disconnect it from PC and wait about 10 minutes to boot.
Fix Bootloop on Samsung Devices
Occasionally, after flashing Samsung stock rom, it might do not boot. If the Samsung device stuck on boot animation for more than 10 minutes then follow these instructions:
- Run Recovery Mode by pressing and holding the Volume Up+Home+Power buttons together.
- In Recovery Mode use the Volume keys to navigate between options and Power key to choose an option.
- Now, perform Wipe Data/Factory Reset and Wipe Cache Partition task then tap Reboot option.