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@0xsys 0xsys released this 04 Aug 12:24
v1.1.0
abf5176

Marauder Mobile v1.1.0 — in-app ESP32 flasher

Flash and update your ESP32 Marauder from the phone itself — no PC, no
esptool, no cables to a computer. Marauder Mobile can now download the firmware
and write it to the board over the same USB-OTG connection it uses to control it.

What's new

  • In-app firmware flasher. A new Flash & Update flow writes the Marauder
    firmware to a connected ESP32 straight from your phone.
  • Two entry points:
    • Before connecting — a Flash / update firmware button on the connect
      screen, so you can flash a fresh or bricked board without a working session.
    • After connecting — a Flash & Update item in the main menu.
  • Downloads the firmware for you from the pinned release
    v1.12.3-jsonserial
    on 0xsys/ESP32Marauder, then flashes it over USB and verifies every byte
    against the device's own MD5 before rebooting into the new firmware.
  • Fast transfer. Uses a higher baud rate and compressed writes, with an
    automatic fallback to a plain, maximally-compatible transfer if the board
    rejects the fast path — so a flash never fails just for being fast.

How to flash

  1. Connect the ESP32 to your phone with a USB-OTG cable.
  2. Open Flash & Update (from the connect screen, or the main menu once
    connected) and pick the board.
  3. Confirm. The app downloads the firmware, writes it, verifies it, and reboots
    the board. Keep the cable connected until it finishes.

If flashing fails

Put the ESP32 into boot (download) mode by hand and try again:

  1. Hold the BOOT / IO0 button.
  2. Briefly tap EN / RST.
  3. Release BOOT — the board is now waiting for firmware.
  4. Start the flash again.

Compatibility

  • Target board: marauder_v4 (classic ESP32 / ESP32-WROOM). Other chip
    families (S2 / S3 / C3) use different flash offsets and reset timing and are
    not covered by this release yet.
  • Phone: Android 8.0 (API 26) or newer with USB host / OTG.
  • Internet: required the first time, to download the firmware image.

Install

  1. Download MarauderMobile-v1.1.0.apk from the assets below.
  2. Allow installing from unknown sources if prompted, then open the APK.
Assets 3
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