Flash / Read / Erase / OTAUpdate ESP32 - ESP8266 - ESP32S2 - ESP32S3 - ESP32C2 - ESP32C3 - ESP32C5 - ESP32C6 - ESP32H2 - BW16 boards from android app over USB (UART and OTG supported).
Automatic bootloader mode (configurable)
Supports many baudrate and compression disable mode
Serial Monitor for both text and plot.
How to operate:
Select your device from the list, you can disable Bootloader auto mod if not supported by your device
Browse and select your firmware / bootloader / partition scheme files from your smartphone memory,
Set the offset for each binary file you want to flash (you may see them in the output of esptool compilation...)
Put your device into Bootloader mode (use BOOT-RST buttons)
Hit the flash/erase button to flash them to your attached ESP32/ESP8266/ESP32S2/ESP32S3/ESP32C3/ESP32C5/ESP32C6/BW16 via USB.
Before the flash/erase begins, you can cancel operation (may need to wait before the procedure completely cancel)
Tested on : ESP32 WROOM32 - ESP8266 miniD1 - ESP32S2 - ESP32S3 - ESP32C3mini - ESP32C5 - ESP32C6 - ESP32H2 - BW16
Check my other app that uses this feature : ESP32NetworkToolbox
Latest Version
4.2.7Uploaded by
Julian Orzuza
Requires Android
Android 7.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Apr 24, 2026
New features:
- OTA updates: host OTA server, in order to let ESP download new firmware over Wifi, or connect over Wifi to post OTA update to ESP device. (see esp-idf examples)
- UI: You can now choose how many lines are displayed in flash and read pages
- Save and load flash / read /ota configurations
- Speedup Flash/Read Process
- Read/parse/display file informations
- Monitor: added search feature
- Fixed/Improved files preferences handling
- Improved adSize
- Fixed ESP32S3 erase/flash error
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