STM32 Utils

Easy Programmer for STM32 with generic USB-TTL adapters

MartinLoren · com.martinloren.stm32utils

5.0 out of 5 (1 rating) 50K+ downloads v1.3.6 5.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 5.5 MB All versions

Signature matches the Google Play version Details

Watch the STM32 Utils trailer on YouTube

At a glance

Latest version: v1.3.6 (60)
Updated: Sep 2, 2026 (1 month ago)
APK size: 5.5 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: May 2, 2021 (at least)
Permissions: 12 (4 sensitive)
Website: stm32utils.martinloren.com
Developer contact: [email protected]

About this APK

STM32 Utils is an app by MartinLoren in the Tools category, listed since at least May 2021. It has no native code, so it runs on any Android processor.

It asks for 12 permissions, 4 of them sensitive, including approximate location, Bluetooth connect and Bluetooth scan. The app offers in-app purchases through Google Play.

What's new in v1.3.6

Added support for Android 15.

Description

From the listing uploaded by “appupdater”.

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)

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 2, 2026.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.

Store checks and file details

Developer signature verified Sep 2, 2026
Validated against Google Play Sep 2, 2026
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)9D:C6:8C:AB:18:AE:0A:B8:1F:A6:5F:8A:12:C7:AE:04:AF:9C:9D:24
File MD5f1b337e0414a0e59074558520b8e3508
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

STM32 Utils requests 12 permissions, 4 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Nearby wifi devices Sensitive android.permission.NEARBY_WIFI_DEVICES
Access location extra commands android.permission.ACCESS_LOCATION_EXTRA_COMMANDS
Full network access android.permission.INTERNET
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.martinloren.stm32utils.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Nearby devices android.permission.NEARBY_DEVICES
Usb permission android.permission.USB_PERMISSION
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Location android.hardware.location
Portrait screen android.hardware.screen.portrait
USB host android.hardware.usb.host
Wi-Fi android.hardware.wifi

STM32 Utils APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is STM32 Utils free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the STM32 Utils APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is f1b337e0414a0e59074558520b8e3508.