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How to update your Samsung Milky way smartphone and install official firmware

Samsung Galaxy smartphones are among the all-time Android smartphones in the market. When information technology comes to the software update front, the Korean OEM is doing a pretty decent job besides, keeping its average consumers on new and contempo security patches through regular updates. Notwithstanding, one thing that's non always easy to come by on Samsung Milky way devices is the stock flashable firmware you lot can flash to either downgrade, upgrade, or restore your phone.

In this tutorial, we'll show you how to manually locate the appropriate update package for your Samsung Milky way smartphone, download information technology onto your PC, and finally flash the target device with the updated firmware.

Tabular array of Contents:

• Types of Samsung firmware
• How to download Samsung firmware
  • Recovery-flashable package
  • Odin-flashable package
• How to install Samsung firmware
  • Sideloading through recovery
  • Flashing via Odin
• Verification

Types of Samsung firmware

Unlike well-nigh Android devices, Samsung Galaxy smartphones and tablets don't have a true fastboot interface for firmware flashing. The Korean OEM developed their own firmware flashing tool known equally "Odin", named after the king of Gods in the Norse mythology. Odin communicates with a special software component called "Loke" which seems to exist named after another important character in Norse mythology (often translated as "Loki"). Loke runs on Samsung devices while in download fashion and provides the functionality necessary to perform a flashing functioning.

Interface of the Odin flashing tool

Odin firmware files are like the factory images for the Google Pixel lineup, just compressed into one unmarried annal and made like shooting fish in a barrel to utilize via a GUI tool instead of a control line tool such as fastboot.

Samsung's FUS (Firmware Update Server) also offers incremental also as full OTA nix files, which are meant to exist installed using the stock recovery environment.

How to download Samsung firmware

Before we get started with transmission download, you should cheque to see if the update has already been sent to your device over-the-air. An OTA update is super like shooting fish in a barrel to download and install. You'll ordinarily get a notification when an OTA update is available. If non, hither'southward how to bank check for the update on your Samsung Galaxy device:

• Go to Settings.
• Scroll downwardly and tap Software update.
• Tap Download and install.
• Follow the steps to install the update if one is available. If non, information technology will say your phone is up to appointment.

If your telephone reports its software is up to engagement, just you know an update is bachelor for your model, we can have advantage of the manual download methods.

Download the recovery-flashable parcel

Capturing the OTA package on Samsung Galaxy devices is a bit of a tricky job, as you need to set up upward a package sniffing tool beforehand to excerpt the download URL.

• Configure the bundle sniffing tool on your phone or PC.
• Start the update download from the built-in updater on your telephone but don't suspension information technology.
• Go back to the sniffing tool, first it, and locate the URL that starts with fota-secure-dn.ospserver.net.
• Download the .bin file using the extracted URL and rename the extension to .zip.

Download the Odin-flashable package

Samsung maintains many region-specific and carrier-specific update channels. As a consequence, you have to make up one's mind the exact consumer software customization code, A.K.A. the CSC value of your device before downloading the Odin firmware. Go on in mind changing the CSC of an existing device or cross-flashing a different firmware is possible, just explaining such modifications is out of the telescopic of this tutorial.

• Download Telephone Info Samsung from the Google Play Shop. This is to find what your currently active CSC value is. If yous already know what it is, skip ahead to pace 3.

• Open Phone Info Samsung and go to the CSC Lawmaking tab. Information technology should evidence an option that says Active CSC code. Note down this 3 graphic symbol code equally you will need it for a later on step.

• You can also use a Samsung-specific Android hugger-mugger code — *#1234# — to determine the CSC code. The agile CSC lawmaking tin be seen afterwards booting the stock recovery too.

• Download Samsung Firmware Downloader. This fantastic tool is created by none other than our ain Zachary Wander and it works for downloading all Samsung Galaxy firmware files.
  • Annotation other tools exist that offer like functionalities. Notwithstanding, Samsung Firmware Downloader is open-source and cross-platform, making it more versatile than the others.
• Open the downloader and enter your model number where it says Model. This volition kickoff with SM-. You need to make sure to include the SM- or information technology won't download your files. Next, under the region section, enter your 3-character CSC value from earlier. Then click Check for Updates. This volition discover the latest firmware for your device.

• If no update is showing, this could be because the carrier you lot're using doesn't use Samsung's servers for updates and therefore doesn't store annihilation where Samsung Firmware Downloader can download information technology. If this is the example, try searching for the firmware of your option on the device-specific sub-forum. It will ordinarily be uploaded there.
• Click Download and select a file location. This will outset the download and decryption. This can accept a while depending on your network speed and CPU speed. Samsung Firmware Downloader will tell yous when the decryption has finished and the file is ready to exist used for flashing.

How to install Samsung firmware

Depending on the firmware type, the installation procedure may require a PC. Odin, for instance, requires Windows, so go on that in heed while trying to update the firmware on whatever Samsung telephone.

Sideloading through recovery: Using Android Debug Span (ADB)

• Make sure you have the latest version of ADB installed.
• Rename the downloaded .bin bundle to update.cipher.
• Now reboot to the recovery style. Inside the stock recovery environment, you lot can scroll downward using the volume buttons and select an entry using the Power button.
• Select utilise update from ADB and connect the phone to the PC using a working USB cable.
• In the Command Prompt/Concluding window, run the post-obit command:

                adb devices            

• Look to encounter that the daemon has started and that your device is constitute. Then run the post-obit command:

                adb sideload PATH_TO_update.goose egg            

• The update process volition commencement and you should see a percent counting. Once the process is completed, the phone volition reboot itself, update the apps, and log into your dwelling screen.

Sideloading through recovery: Using an SD card

• Rename the downloaded .bin parcel to update.zip and copy it to the root directory of your SD menu.
• Now reboot to the recovery fashion, navigate to the pick utilize update from external storage, and press the Ability button to select it.
• Now select the file named update.nothing in a similar way.
• The update volition start. Leave it till information technology completes as the process takes some fourth dimension.
• The phone will reboot by itself and load the updated firmware.

Flashing via Odin

Warning: Odin isn't actually intended for regular users, only since it's an official tool from Samsung, your phone will permit information technology to load the necessary files for flashing the firmware without unlocking the bootloader. However, using it incorrectly can nevertheless harm your device. Proceed with caution.

Grabbing the right version of Odin is the first stride. Due to the fact the tool is never meant to be used by consumers, Samsung doesn't host it on a public download portal. Fortunately, XDA Senior Fellow member realbbb maintains a repository of verified copies of the Odin tool. He too offers patched variants of Odin (known as "3B patched") that are capable of bypassing a number of stop conditions while cross-flashing.

Download Odin (both unmodified and 3B patched) — XDA Thread

• Catch the latest Odin package from the aforementioned thread and unzip the file to somewhere you lot can remember.
• Make certain y'all take the latest Samsung Android driver package installed.

USB interfaces exposed by a Galaxy smartphone afterward installing the Samsung Android driver

• Power off your telephone and kick into Download Mode:
  • Quondam Samsung Milky way devices: press Power + Abode + Volume down for about 5 seconds.
  • New Samsung Galaxy devices: printing Ability + Bixby + Volume downward or Bixby + Volume down for near five seconds.
  • You tin besides employ the following ADB control when the device is booted and connected to a PC:

                      adb reboot bootloader                

  • Some of the current generation Galaxy devices feature a placeholder Fastboot interface. If your telephone goes into the Fastboot mode after using the above ADB command, then you have to perform a hard reboot to get back to Android and opt for the following command to admission the Download mode:

                      adb reboot download                

• You should see a screen with a large download icon in the middle and a confirmation dialogue regarding binary flashing. Printing the advisable button to go along to the actual download style. If you have the proper drivers installed, you should see a new device popping upward in the Device Manager window.

The download mode interface of a Samsung Galaxy device under Windows

• Open Odin on your PC past running the exe as administrator. In the ID:COM department you should come across a teal box that says Added!. This is your device connected in download mode.

• The master section of Odin has buttons for BL, AP, CP, CSC, and USERDATA. These signify corresponding firmware files:
  • BL: Bootloader
  • AP: Collection of Android system partitions
  • CP: Core Processor, i.e. the modem firmware
  • CSC: Consumer software customization
  • USERDATA: Pre-installed apps and services for carriers
• You may not need all five of these files. It depends on what y'all're flashing.
  • Old Samsung Galaxy devices: selection the single .tar.md5 file every bit AP.

• • New Samsung Galaxy devices: select the appropriate binary for each slot.

• Note that flashing a HOME_CSC binary as CSC doesn't wipe your data. Yet, in case you desire to first afresh (e.g. you have installed a custom recovery like TWRP and a custom ROM like LineageOS and you want to go back to stock firmware), and then select the CSC binary in the CSC tab. Information technology'll completely wipe the /information sectionalisation and the internal storage of the device.

• If all looks right (and you accept triple checked everything) click the Start push. A progress bar will be displayed in Odin as well as on the phone.

• The process will take a while and the phone may reboot a couple of times. Don't unplug it before the process is complete. When the process has been completed, you will see a "PASS!" status higher up the ID:COM section.

• Enjoy the updated firmware on your phone!

Verification

Once the phone boots to the home screen, open Settings from the app drawer or the gear icon in the Quick Settings carte du jour. Then, curl to the bottom of Settings, select Virtually Telephone and choose Software data. Next, observe theBuild number entry and locate its value. Information technology should exist the same equally the Odin firmware package you lot downloaded earlier.

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That's it. As yous can run into, manually updating the firmware of your Samsung Galaxy smartphone isn't that hard, but it's non a completely straightforward method either. Hopefully, this tutorial fabricated the process easier for you to understand and follow.

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Source: https://www.xda-developers.com/how-to-update-samsung-galaxy-smartphone/

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