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50 lines
1.8 KiB
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50 lines
1.8 KiB
ReStructuredText
Factory Reset Button
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====================
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.. seo::
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:description: Instructions for setting up buttons that can remotely invalidate all ESPHome preferences stored in flash and reboot ESP.
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:image: restart.svg
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The ``factory_reset`` button allows you to remotely invalidate (reset) all ESPHome :ref:`preferences <preferences-flash_write_interval>` stored in flash memory and reboot your node.
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After reboot all states, parameters and variables will be reinitialized with their default values. This is useful:
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- for devices preflashed with ESPHome to reset behavior back to factory state
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- in case of moving a device to a new environment or starting a new use-case (e.g. reset counters or state)
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- for privacy concerns when giving away a device
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.. note::
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**USE WITH GREAT CAUTION!** All credentials, global variables, counters and saved states stored in non-volatile memory will be lost with no chance of recovering them.
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Even raw reading of flash memory with ``esptool`` will not help, since data is physically erased from flash memory.
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For devices configured using :doc:`captive portal </components/captive_portal>`, this will reset WiFi settings as well, thus making such devices offline.
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You'll need to be in close proximity to your device to configure it again using a built-in WiFi access point and captive portal.
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.. figure:: images/factory-rst-ui.png
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:align: center
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:width: 80.0%
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.. code-block:: yaml
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# Example configuration entry
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button:
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- platform: factory_reset
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name: Restart with Factory Default Settings
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Configuration variables:
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------------------------
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- All options from :ref:`Button <config-button>`.
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See Also
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--------
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- :doc:`shutdown`
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- :doc:`restart`
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- :doc:`safe_mode`
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- :doc:`/components/switch/factory_reset`
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- :doc:`template`
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- :apiref:`factory_reset/factory_reset_button.h`
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- :ghedit:`Edit`
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