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Clarify development tools needed for each option
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content/Hardware Support/Nano Family/Reset-the-Arduino-bootloader-on-the-Nano-ESP32.md

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@@ -3,7 +3,7 @@ title: Reset the Arduino bootloader on the Nano ESP32
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id: 9810414060188
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---
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Learn how to reset the default Arduino bootloader on the Nano ESP32 using Arduino IDE.
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Learn how to reset the default Arduino bootloader on the Nano ESP32.
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These are some reasons you may want to reset the bootloader:
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In this article:
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* [Option 1: Using the bootloader mode](#bootloader-mode)
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* [Option 2: Use the Esptool programmer option](#esp32-download-mode)
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> [!TIP]
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> Before you begin, it is recommended to have the latest version of the **Arduino ESP32 Boards** or **esp32** boards package installed using the Board Manager.
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* [Option 2: Use the Esptool programmer option in Arduino IDE](#esp32-download-mode)
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## Option 1: Using bootloader mode {#bootloader-mode}
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The quickest way to reset your Arduino Nano ESP32 is by activating the bootloader mode.
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The quickest way to reset your Arduino Nano ESP32 is by activating the bootloader mode and uploading any sketch.
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Follow these steps:
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2. Check the on-board LED near the RST button:
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* **If the LED pulses slowly in green[^colors]:** The board is in bootloader mode. Go to the next step.
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* **If the LED is off:** Repeat step 1 or try [Option 2: Use the Esptool programmer option](#esp32-download-mode).
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* **If the LED is off:** Repeat step 1 or try [Option 2: Use the Esptool programmer option in Arduino IDE](#esp32-download-mode).
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3. Select Arduino Nano ESP32 in Arduino IDE or the Cloud Editor.
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4. Upload any sketch to restore the standard Arduino bootloader.
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## Option 2: Use the Esptool programmer option {#esp32-download-mode}
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## Option 2: Use the Esptool programmer option in Arduino IDE {#esp32-download-mode}
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> [!TIP]
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> Before you begin, it is recommended to have the latest version of the **Arduino ESP32 Boards** or **esp32** boards package installed using the Board Manager.
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Follow these steps:
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* Ensure you are uploading the sketch by selecting **Sketch > Upload Using Programmer** and not by clicking the regular Upload button.
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[^colors]: On some earlier versions of the Nano ESP32, the LED will be blue instead of green, and yellow instead of purple.
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