# ZFlasher STM32

> ARM and RISC-V MCU flashing by Android

Canonical page: [https://chrome-stats.com/d/ru.zdevs.zflasherstm32](https://chrome-stats.com/d/ru.zdevs.zflasherstm32)

## Overview

- **ID:** `ru.zdevs.zflasherstm32`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ZDevs
- **Category:** TOOLS
- **Downloads:** 235,720
- **Rating:** 4.47 / 5 (1,061 ratings)
- **Version:** 2.6.0
- **Last updated:** 2026-08-21
- **First published:** 2017-03-02
- **Publisher country:** RU
- **Size:** 4.28 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=ru.zdevs.zflasherstm32)
- **Website:** [http://zdevs.ru](http://zdevs.ru/)
- **Privacy policy:** [http://zdevs.ru/zf\_privacy\_policy.txt](http://zdevs.ru/zf_privacy_policy.txt)

## Description

ZFlasher STM32 is a powerful Android app designed for flashing a wide range of ARM, RISC-V, and STM8 microcontrollers. Requiring a device with USB Host (OTG) support, it enables programming popular MCU series such as STM32, GD32, AT32, CH32, MM32, and more directly from your Android device. Compatible with various flashing tools including ST-LINK, J-Link, CMSIS-DAP, and bootloaders, it provides versatile support for embedded development and debugging.

With extensive MCU compatibility covering numerous STM32 sub-series and other manufacturers like Nordic, Renesas, and N32, ZFlasher STM32 offers a convenient and mobile solution for embedded system engineers and hobbyists. Its interface simplifies the flashing process on-the-go, making it an essential tool for developers working with microcontrollers across multiple architectures.

## Rankings

- #146,968 — Overall

## Permissions and access

### Permissions

- `com.android.vending.BILLING`
- `ru.zdevs.zflasherstm32.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users find ZFlasher STM32 useful for flashing STM32 devices via DFU and view it positively, but growth is hindered by donation-based gating (limited flash sizes without donation) and payment issues. Some report LIBUSB errors and nuisance bootloader prompts, plus a lack of clear setup guidance. Overall, it works well for those who can donate or meet the requirements, with a value-for-money reputation despite onboarding and reliability caveats.

### Pros

- DFU-based flashing works reliably for STM32 devices.
- Generally useful tool for STM32 flashing tasks.
- Donations unlock larger flash sizes and additional features.
- Receives strong positive feedback from users (excellent, awesome, nice).

### Cons

- Size/feature limits are gated behind donation; 32kB (or 32-byte) limit without donation.
- Donation payments can fail (Visa issues) or be unavailable in some regions (e.g., India).
- LIBUSB read/write errors and device compatibility reliability issues.
- Annoying bootloader pop-up prompts that appear even with 'Always open' enabled.
- Setup and purpose are unclear for some users; onboarding could be improved.

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Source: [Chrome-Stats](https://chrome-stats.com/d/ru.zdevs.zflasherstm32)