Updating a firmware to format tool
Please note that a correct firmware is one that matches your device model and the country/region from where you purchased and using it.
To do so, find out your device model by going to Settings If your phone is not SIM-locked or carrier-branded, you can install any unbranded firmware that matches your device model regardless of CSC match.
You download firmwares for all Samsung Galaxy device from one of the following sources: On most Android devices we need to get into the Bootloader/Fastboot mode to flash factory images or firmwares.
Samsung Galaxy devices feature a Download Mode that prepares your device to receive data from your computer via a dedicated flashing tool called Odin.
Here’s how you can boot your Samsung phone or tablet into the Download Mode.
In case you have installed Samsung Kies, make sure the program is closed while you use Odin or flash the firmware or it might interfere with the procedure.
Download Samsung USB Drivers Usually, flashing a firmware, rooting and installing a custom recovery leave your phone’s apps, data, and settings untouched. Therefore, we strongly recommend that you backup your apps, contacts, messages, photos, videos and any other important data stored on the internal storage of your phone or tablet.