How to Flash Stock ROM on Samsung Galaxy J6+ Using Odin

Checking Current Software and Model

• 💡 Check your current software version and model number in Settings > About Phone > Software Information.
• 📌 Note the build number (e.g., J610FNXU5CTI1) and remember you can only flash the same or a newer version.
• ⚠️ Flashing will erase all data, making the phone like it was just purchased.
• ⚠️ If the phone doesn't boot, you can check the current version in Recovery Mode by holding Power + Volume Up.

Downloading Necessary Tools

• 💻 Download the latest Odin (v3.14.4) and Samsung USB drivers from hardreset.info.
• 🔍 Find the correct stock firmware for your model (J610FN) on sites like samfw.com.
• ⚙️ Select the appropriate CSC/country code (e.g., XEO for non-branded Poland version) and choose the firmware version.

Preparing for Flashing

• 📂 Extract the downloaded Odin and Samsung USB drivers using WinRAR or similar.
• 🖱️ Install the Samsung USB drivers and restart your computer for proper recognition.
• 🔌 Extract the firmware file after it finishes downloading.

Entering Download Mode and Flashing

• 📲 Connect your phone to the computer via USB while holding both Volume Up and Volume Down keys.
• 👍 Press Volume Up to confirm entry into Download Mode.
• 🖱️ Launch Odin and ensure your device is recognized (you should see numbers in the log).
• 📁 In Odin, load the extracted firmware files: BL, AP, CP, and CSC (use the CSC file, not HOME_CSC, for a clean flash).
• ▶️ Click Start to begin the flashing process.

Verification and Setup

• ✅ A green "PASS" message in Odin indicates a successful flash.
• 📱 The phone will restart; wait for the initial setup process to complete.
• 🔧 You can unplug the USB cable after the phone boots up.
• 📊 To verify, go back to Settings > About Phone > Software Information to check the new build number (e.g., J610FNXXS6CUI3).