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In case you need to flash the bootloader on the UNO R4 Minima, you can follow the steps below:
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**Step 1**
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Install the [Renesas](https://github.com/arduino/ArduinoCore-renesas)core.
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Install the [UNO R4 Board Package](https://github.com/arduino/ArduinoCore-renesas)as described in the [Getting Started Guide](/tutorials/uno-r4-minima/minima-getting-started).
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**Step 2**
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Navigate to: "C:\Users\YourWindowsUserName\AppData\Local\Arduino15\packages\arduino\hardware\
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renesas0円.5.0\bootloaders\SANTIAGO"
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**Step 3**
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Identify the **dfu.exe**
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Identify the `dfu_minima.hex`
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**Step 4**
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Install the Renesas flash programmer ([download page](https://www.renesas.com/us/en/software-tool/renesas-flash-programmer-programming-gui))
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***The Renesas flash programmer is currently only available on Windows.***
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**Step 5**
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To flash the bootloader:
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- Select dfu.exe.
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Flash the bootloader using the Renesas programmer:
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- Select `dfu_minima.hex`.
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- Connect your board.
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- Short the BOOT and GND pin found on the UNO R4 Minima.
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- Go to the Connect Settings tab.
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- Select the COM port in the Tool > select the port shown in the IDE.
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- Press start.
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***For more details check the `README.md` or the [GitHub page](https://github.com/arduino/ArduinoCore-renesas/tree/main/bootloaders/UNO_R4).***
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