DevImageWin

中文说明

A Windows GUI tool for iOS developers to enable Developer Mode and mount Developer Disk Image on USB-connected devices — no Xcode or macOS required.

Features

• Detect iOS Device — Automatically detect USB-connected iPhone/iPad
• Enable Developer Mode — One-click enable with automatic device restart handling; supports devices with passcode (reveals toggle in Settings)
• Mount Developer Disk Image — Bundled images for iOS 11.4–16.7; iOS 17+ via Apple TSS signing
• Auto-install Apple Driver — Bundled Apple Mobile Device Support, no need to install iTunes manually
• Auto-retry on USB disconnect — Automatically retries mount operation if USB connection is interrupted

Download

Go to Releases and download the EXE matching your iOS version:

File	iOS Version	Size
DevImageWin_iOS17+.exe	iOS 17.0 and above	~100MB
DevImageWin_Legacy.exe	iOS 11.4 – 16.7	~550MB

Most users should download DevImageWin_iOS17+.exe — it covers all modern iOS devices.

Usage

1. Connect your iPhone/iPad via USB
2. Run the downloaded EXE
3. Click "检测设备" (Detect Device)
4. If Developer Mode is off → Click "开启开发者模式" (Enable Developer Mode), wait for device to restart, unlock device, then click detect again
5. If DDI is not mounted → Click "挂载磁盘映像" (Mount Disk Image)

Requirements

• Windows 10/11 (64-bit)
• iOS device connected via USB
• Internet connection (iOS 17+ only, for Apple TSS signing)

The app will auto-install Apple Mobile Device Support driver on first launch if not present. No need to install iTunes.

Build from Source

Prerequisites

• Python 3.10+
• pip

Steps

pip install pyinstaller pymobiledevice3 PySide6 developer-disk-image IPython pyimg4 ipsw_parser
python prepare_ddi.py
python -m PyInstaller build.spec --clean --noconfirm

Build specific version using environment variable:

set BUILD_TARGET=ios17plus
python -m PyInstaller build.spec --clean --noconfirm

set BUILD_TARGET=legacy
python -m PyInstaller build.spec --clean --noconfirm

BUILD_TARGET	Output	Includes
ios17plus	DevImageWin_iOS17+.exe	Personalized DDI only
legacy	DevImageWin_Legacy.exe	DeveloperDiskImages only
(default)	DevImageWin.exe	All DDI data

License

MIT