STM32 Utils

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507 reviews
Content rating
Everyone
50K+
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Content rating
Everyone
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About this app

Easy flashing of STM32 Chipsets on the fly. Choose among several available DIY projects with available firmware to start with or flash your own firmware.
Now available flashing option with only a Bluetooth module.

It requires:
- OTG-Cable + USB-To-Serial cable (see website) or HC-05 Bluetooth Module
- Firmware from your favourite project (.bin or .hex)

Connection instructions on the website.

Tested STM32 Boards:
- STM32F103C8T6 (Blue Pill)
- STM32F407 (Black Board)
- STM32F401 / 411 (Blue Pill)
- Nucleo STM32L053

Functions:
- Get chipset info
- Erase memory
- Write firmware
- Load firmware
- Enable/Disable Readout Protection (in Full Version)
- Bluetooth flashing (in Full Version)

Supported firmware file format:
- Binary (.bin)
- Intel Hex (.hex)
Easy Programmer for STM32 with generic USB-TTL adapters
Updated on
Aug 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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Ratings and reviews

484 reviews
A Google user
December 25, 2018
This APP will flash firmware on a STM32 board without the need for additional hardware. A simple USB to TTL cable is all that's required. And it's FREE!
107 people found this review helpful
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AliAkbarbaloch Baloch
March 24, 2022
First of I see the reviews this app according to but I want to know how it works better or not I mean his capacity behaving like positive or negative contains ads that ads useful and how difficult or easier to improve itself good enough it's best best for my device how quantities utils it's according you in my mobile phone act pro features it's meet 📱👍💯when I use it's working please share if anything to protect positive share is thanks
8 people found this review helpful
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Nitin Gaikwad
February 15, 2021
I'm not able to connect my device to the app for flashing.it says, No reply received, Reset button pressed? Can you help me out?
37 people found this review helpful
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What’s new

Added support for Android 15.
Content rating
Everyone
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App support

About the developer
World Relief International Co., Limited
support@martinloren.com
Rm A22 10/F PRINCE INDL BLDG 706 PRINCE EDWARD RD E 新蒲崗 九龍 Hong Kong
+86 135 6433 7488

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