New Samsung Galaxy devices: press Power + Bixby + Volume down or Bixby + Volume down for about 5 seconds.Old Samsung Galaxy devices: press Power + Home + Volume down for about 5 seconds.Power off your phone and boot into Download Mode:.USB interfaces exposed by a Galaxy smartphone after installing the Samsung Android driver Once the process is completed, the phone will reboot itself, update the apps, and log into your home screen. The update process will start and you should see a percentage counting.Then run the following command: adb sideload PATH_TO_update.zip Wait to see that the daemon has started and that your device is found.
In the Command Prompt/Terminal window, run the following command: adb devices. Select apply update from ADB and connect the phone to the PC using a working USB cable. Inside the stock recovery environment, you can scroll down using the volume buttons and select an entry using the Power button. Make sure you have the latest version of ADB installed. Sideloading through recovery: Using Android Debug Bridge ( ADB) Odin, for example, requires Windows, so keep that in mind while trying to update the firmware on any Samsung phone. Samsung Firmware Downloader will tell you when the decryption has finished and the file is ready to be used for flashing.ĭepending on the firmware type, the installation process may require a PC. This can take a while depending on your network speed and CPU speed. This will start the download and decryption. Click Download and select a file location. If this is the case, try searching for the firmware of your choice on the device-specific sub-forum. If no update is showing, this could be because the carrier you’re using doesn’t use Samsung’s servers for updates and therefore doesn’t store anything where Samsung Firmware Downloader can download it. This will find the latest firmware for your device. Next, under the region section, enter your three-character CSC value from before. You need to make sure to include the SM- or it won’t download your files. Open the downloader and enter your model number where it says Model. However, Samsung Firmware Downloader is open-source and cross-platform, making it more versatile than the others. Note other tools exist that offer similar functionalities. This fantastic tool is created by none other than our own Zachary Wander and it works for downloading all Samsung Galaxy firmware files. You can also use a Samsung-specific Android secret code - *#1234# - to determine the CSC code. The active CSC code can be seen after booting the stock recovery as well. Note down this 3 character code as you will need it for a later step. 
It should show an option that says Active CSC code. Open Phone Info Samsung and go to the CSC Code tab.
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