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Add 5 sec button press for WiFi hotspot explanation to WiFi Updating docs #503

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Add 5 sec button press for WiFi hotspot explanation to WiFi Updating docs #503

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Add 5 sec button press for WiFi hotspot
osirisinferi Dec 28, 2025
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Addressing requested changes
osirisinferi Dec 28, 2025
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2 changes: 1 addition & 1 deletion docs/software/updating/wifi-updating.md
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Expand Up @@ -12,7 +12,7 @@ template: main.html

**Build** your firmware file, either via the ExpressLRS Configurator or PlatformIO. The ExpressLRS Configurator will open a folder for you where the correct firmware file was created and should be named like `<target name>-<version>.bin` (e.g. for the Happymodel ES24TX, the file will be `HappyModel_ES24TX_2400_TX-2.0.0.bin`). Meanwhile, PlatformIO should create the file within the `\src\.pio\build\<target name>\` folder.

Put your device in WiFi Updating mode. For TX modules, this is accomplished using the ExpressLRS Lua Script. Simply select `WiFi Update` from the script and it should start the Update Hotspot. For receivers, power the receiver and wait until `AUTO_WIFI_ON_INTERVAL` time has elapsed and the LED on the receiver is blinking fast.
Put your device in WiFi Updating mode. For TX modules, this is accomplished using the ExpressLRS Lua Script. Select `WiFi Connectivity` followed by `Enable WiFi` from the script and it should enter WiFi mode. For receivers, power the receiver and wait until `AUTO_WIFI_ON_INTERVAL` time has elapsed or hold the boot button for 5 seconds (keep holding past the 'binding mode' at 1.5 seconds). Once the receiver has entered the WiFi mode, the LED on the receiver will be blinking fast (single color LED) or pulsing green/yellow (RGB LED).
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@mha1 mha1 Jan 7, 2026

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  1. Some receivers don't have a boot button. I think this is what @CapnBry meant by "if available". I'd prefer to add his comment.

  2. Some receivers have a boot button but it's really just a boot button and is only active while pressed during power on to enter the bootloader for UART flashing. The pin used for the boot button on those receivers is repurposed by the firmware, meaning pressing or long pressing the boot button won't do anything. No bind mode, no WiFi mode selection. Example: Radiomaster ER4.

I think you should add a note that the described feature may not work on all receivers even if they have a boot button.


Connect to the hotspot that the device has created. For TX modules, this hotspot should show up as **ExpressLRS TX** while for receivers, the hotspot will have a name such as **ExpressLRS RX**. They have the same password: `expresslrs`.

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