If you’re searching for the exact firmware you’ll have to flash, it may be difficult to find online. For previous Samsung phones, the most effective option is to search within the related XDA Forum. There are many users who post the beta and stock firmware on these forums. If you happen to own a new Samsung flagship model, you are able to download the desired firmware from the
Extract the Firmware Files
After that, right-click then the Odin Firmware ZIP archive and then select “Extract all.”Within the archive you extracted you’ll find five MD5 files (pictured below).Make note of the place of these files as you’ll have to choose the files later.
Install the Right Drivers
Your computer needs drivers to connect to the Samsung phone.Samsung has an official website on which you can download the drivers you require.Download the drivers, then start this setup on your computer, and then restart your PC to ensure they’ve been incorporated.Don’t skimp on this step because it may cause problems in running on the Odin executable program.
Install Odin on Your PC
The Odin software is only compatible only on Windows therefore, you need you to have a computer available.Start by downloading the most current version of Odin.Download the ZIP file to download the most recent version, and then run the EXE file inside it to start Odin.
Put Your Phone in Download Mode & Connect to PC
If the device is off then hold power + volume down + home to go into Download Mode.Some older devices use a different button combination.To find the precise key combination that works for your device simply do a Google search for example “Galaxy S3 download mode.”Now you are able to connect your phone to your PC with a USB Data cable.
The latest Galaxy phones without a Home button may require separate button combinations to be able to enter download mode (Volume Down, Bixby, and Power).There is more information on the peculiarities of using Download Mode on these phones.
You must select HOME_CSCfile, not the CSC file.The USERDATA button is not required or necessary for this process.Check that the four files are loaded and that checkmarks are displayed at the top of each button.Click the “Start” button at the end of the Odin application once you’re prepared.
The flashing process begins and will take between 10 and 12 minutes.It could take a while for your device’s reboot to complete but don’t panic.If your device does finally boot up, it will have the firmware you want.If you’d like to confirm whether the correct firmware has been installed, visit Settings > About Phone and then Software Info.The firmware’s ID is in the section titled “Baseband version.”
Flash the Firmware Files
Return towards back to the Odin application.Click on the button ‘BL Select the file by “BL” inside your extracted firmware folder.Then, click on the ‘AP’ icon in Odin and select the AP file within the firmware folder you have extracted.Select the “CP” option and select the CP file within the folder of your firmware that you extracted.Click on the ‘CSC’ icon and select the HOME_CSC file in your folder of firmware that you extracted.