Flash Official Firmware on Samsung Galaxy

How to flash Samsung Stock Official ROM via Odin

Your Samsung device may experience following “symptoms”:
  • Device status will become “Custom/Modified”, instead of “Official”;
    • Go to Settings > About device > Status > Device Status > Custom
    • Boot into download mode and find out system status is Custom
  • Cannot receive OTA update.

And you may wonder…

  • How to restore phone status from “Custom/Modified” to “Official”?
  • How to receive OTA update after rooting?

There is one direct and most effective solution for both – that is to flash the Stock/Official ROM (original firmware) via specific tools.

This tutorial can also be followed to…

  • Restore your firmware when your device is soft-bricked;
  • In the event you think your stock ROM is faulty;
  • Flashback to a previous version on your Samsung device.

Flash Samsung Stock ROM (Official/Original Firmware) via Odin

Step 1: Download and install device driver software on your computer.

If you have used Kingo Android Root already, skip this step. Otherwise, do it manually. Following are ways to do this…

  • Visit Samsung official website to find the correspondent driver software.
  • Google the driver software of your device. Download and then install it on you computer.
  • Download or update Kies, part of which will install or update drivers.

Once drivers are installed or updated, it is highly recommended that you restart your computer.

SamMobile may be the best choice to download stock firmware of Samsung device. Or you can go to Samsung Updates, XDA Forum or Google to find the correspondent firmware of your device.

Click “Firmware” and enter your device model, Select country or type in certain info to filter, eg.Baseband version.

After downloading it (normally a compressed file), you need to extract/unzip it to a certain location of your PC. The file types that Odin uses are *.bin,*.tar and *.tar.md5.

GT-I8552 Stock firmware downloaded from SamMobile

Find the file you have downloaded and then unzip it to Desktop.

Unzip GT-I8552 Stock firmware downloaded from SamMobile

You will find a *.md5 file after extracting.

Step 3: Download and extract Odin on your PC.

You can download Odin V3.10.7 directly from SamMobileAndroidMTK is a fine alternative, it also offers a detailed list of Odin versions and downloads link. Or you can always Google “Odin download”.    After downloading it on your PC, extract it to Desktop or another location you’d prefer.Odin v3.10.7 downloaded from SamMobile

Odin v3.10.7 zip file.

After extracting, right-click to “Open as Administrator”. It may prevent certain issue from happening.

Run Odin v3.10.7 as adminitrator

Run Odin as administrator is recommended.

Step 4: Boot your Samsung device into Download mode.

Follow these steps to enter Download Mode/Odin Mode

    1. Power off your device
    2. Press and hold Volume Down key, Home Key and Power Key
    3. When your device vibrates, release Power key while keep holding the Volume Down key and Homekey

Boot into download mode

Warning before entering into download mode

    1. Press Volume Up key to enter Download mode, which has a green robot figure and “Downloading… Do not turn off target!!)

Boot into download mode

Now you are in download mode.

Step 5: Connect your device to PC.

You device should be automatically recognized by Odin. At the lower-left of Odin interface, it should show a message that says “Added!” and in the meantime you should see a light-blue box at the ID:COM section stating “COM:3” (the number depend on which USB port you have plugged the device cable and is irrelevant).

Connect device to Odin

Device is connected to Odin.

Step 6: Click “PDA” or “AP” to add tar.md5 file that you have extracted and then “Start”.

Whether it is “PDA” or “AP” depends on the version of Odin that you used. But the md5 file goes to either “PDA” or “AP”.

Add md5 file to Odin

Add *.md5 to Odin.

After adding the file, click “Start” to begin the flashing process.

Click start to flash stock rom

Click “Start” to flash.

WARNING DO NOT REMOVE OR OPERATE ON YOUR DEVICE UNTIL FINISHED OR FAILED IS SHOWED ON ODIN.

Starting to flash stock rom via Odin

Ongoing flashing process. Do not remove your device.

When the flashing process is done and if everything goes well, you should see a big green box saying “RESET” or “PASSED” (depends on the version of Odin is used). By now, the device should be rebooted and it is safe to remove/unplug your device.

Succeed to flash stock rom via Odin

Flash succeeded.

If failed, what should you do?

Try these things first:

  • Update your device driver software to the latest.
  • Restart your computer.
  • Run Odin as Administrator.
  • Try a different cable (original one or the one with better quality) and USB port (the main port recommended)
  • Re-download the firmware file, make sure it is intact and match your device model

Use Odin to Flash Samsung Galaxy Stock Firmware

Requirements

  • Windows PC
  • USB data cable
  • Find Odin Firmware Files
  • Extract the Firmware Files
  • Install the Right Drivers
  • Install Odin on Your PC
  • Put Your Phone in Download Mode & Connect to PC
  • Flash the Firmware Files

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