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Flash Firmware Samsung a72 + lock bootloader
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Installation requirement


  • The mobile with more than 50% of batteries to avoid blackouts and irreparable damage.
  • Have a good usb cable.
  • A PC or laptop at hand.
List of compatible phones

Android 11 / 12 /13

SM- A725F,

SM- A725M

Flashing firmware on a Samsung A72 or any other Android device can be a complex process, and it should be done with caution because it can potentially brick your device if not done correctly. Ensure that you have a good reason to flash firmware, such as fixing a serious software issue, and make sure you’re using the correct firmware for your specific device model. Here’s a general overview of how to flash firmware on a Samsung A72:

Before you start:

  1. Backup your data: This process will erase all data on your device, so make sure to back up any important files, contacts, and data.

  2. Charge your phone: Ensure that your device has enough battery to complete the flashing process.

  3. Download the firmware: Find the correct firmware for your Samsung A72 on the Samsung official website or a trusted source. Make sure it’s the exact firmware version for your device model and region.


  • A Windows PC with the necessary drivers installed.
  • A USB cable to connect your phone to your PC.
  • Odin tool (Samsung’s official firmware flashing tool).

Steps to Flash Firmware on Samsung A72:

  1. Install Samsung USB Drivers:

    Make sure you have the appropriate USB drivers installed on your PC. You can download these drivers from the official Samsung website.

  2. Download Odin:

    Download the Odin flashing tool from a trusted source and extract it on your PC.

  3. Boot Your Phone into Download Mode:

    • Turn off your Samsung A72.
    • Press and hold the Volume Down, Bixby (if applicable), and Power buttons simultaneously until you see a warning screen.
    • Press the Volume Up button to enter Download Mode.
  4. Connect Your Phone to Your PC:

    Connect your Samsung A72 to your PC using a USB cable. Make sure Odin recognizes your device (you’ll see a COM port ID in Odin).

  5. Load the Firmware in Odin:

    • In Odin, click on the «AP» button and select the firmware file you downloaded.
    • Ensure that only the «Auto Reboot» and «F. Reset Time» options are selected in Odin.
  6. Start the Flashing Process:

    Click the «Start» button in Odin to begin the flashing process. This will take a few minutes, and your phone will reboot during the process.

  7. Wait for the Process to Complete:

    Do not disconnect your phone during the flashing process. Once it’s complete, Odin will show a «Pass» message.

  8. Factory Reset (optional):

    After the firmware is flashed, you may want to perform a factory reset to ensure a clean start. You can do this from the phone’s settings.

  9. Set Up Your Phone:

    Your device will reboot, and you can set it up as a new device or restore your data from your backup.

Keep in mind that firmware flashing can be risky and should only be done if you are experienced and confident in what you are doing. If you are not comfortable with these steps or are unsure about any aspect of the process, it’s advisable to seek professional help or assistance from a Samsung service center to avoid damaging your device

Tutorial sin root TWRP

Tutorial con Twrp

Desbloquear bootloader

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