add Device Firmware Upgrade (DFU)

wemos · Aug 17, 2021 · 56bac05 · 56bac05
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diff --git a/docs/en/tutorials/s2/get_started_with_arduino_s2.rst b/docs/en/tutorials/s2/get_started_with_arduino_s2.rst
@@ -17,6 +17,16 @@ Configure Board
    :target: ../../_static/files/s2_arduino_config.jpg
 
 
+Upload Code
+-----------------
+* Make S2 boards into **Device Firmware Upgrade (DFU)** mode.
+
+  * Hold on **Button 0**
+  * Press **Button Reset**
+  * Release **Button 0** When you hear the prompt tone on usb reconnection
+
+
+
 Documentation
 -------------------------
   * `ESP32-S2 and ESP32-C3 Support <https://github.com/espressif/arduino-esp32#esp32-s2-and-esp32-c3-support>`_

diff --git a/docs/en/tutorials/s2/get_started_with_micropython_s2.rst b/docs/en/tutorials/s2/get_started_with_micropython_s2.rst
@@ -29,7 +29,12 @@ S2 MINI Firmware
 
 Flash firmware
 -------------------
-* Make S2 boards into flash mode.
+* Make S2 boards into **Device Firmware Upgrade (DFU)** mode.
+
+  * Hold on **Button 0**
+  * Press **Button Reset**
+  * Release **Button 0** When you hear the prompt tone on usb reconnection
+
 * Flash using esptool.py
 
   .. highlight:: bash