How to Manually Update Samsung Galaxy A71 via Odin Without Data Loss

Checking Current Software Version

• 💡 Settings → About phone → Software information is where you can find your current software version.
• ⚠️ If the phone won't boot, you can check the version in Recovery Mode by powering off and holding Power + Volume Up.
• 🚀 When entering Recovery Mode, connect the phone to a computer; it may take a few tries.

Downloading Necessary Tools

• 💻 Visit hardreset.info to download the latest Odin app and install Samsung USB drivers.
• ⚠️ It is highly recommended to restart your computer after installing the drivers for proper recognition.

Finding and Downloading Firmware

• 🔍 Search for "SMA715F firmware" to find the correct firmware for your device model.
• 🎯 Select the firmware that matches your country or CSC code (e.g., XEO for non-branded Poland version).
• 📈 Ensure you download a version that is the same or newer than your current software version; older versions will not install.

Preparing for the Update

• 📂 Extract the downloaded firmware files to a dedicated folder.
• ⚙️ Launch the Odin app and click OK.
• 📁 Load the BL, AP, and CP files from the extracted firmware folder into their respective slots in Odin.

Flashing Firmware with Odin

• 📲 To enter Download Mode, turn off the phone, then hold both Volume keys and insert the USB-C cable connected to your computer.
• ⚠️ Press Volume Up once to confirm entering Download Mode.
• 💻 Odin should recognize the phone, indicated by numbers in the interface.
• 🔑 Crucially, select the HOME_CSC file (not CSC) to preserve your apps and data.
• ▶️ Click Start to begin the flashing process and do not unplug the cable until Odin shows "Pass".
• ✅ Once complete, the phone will reboot with the updated software.