Fastest Windows 11 for Flashing: GSM Pack v4.5 (StartAllBack + Visual C++ Included)

Experience the Green Edition Windows 11 Pro. A 4in1 OS with pre-installed Runtime libraries, Mobile Device Managers, and a fully customized look. Low storage requirement (10GB C-Drive).

Welcome to the GSM operating system designed specifically for Mobile Software Technicians and Advanced Users. GSM Pack v4.5 is based on the latest Windows 11 Pro 25H2 (OS Build 26200.7171), fully optimized for performance, stability, and ease of use.

🌟 Key Visual Features (Green Edition)

This isn’t just a standard Windows installation; it’s a completely customized visual experience designed to look fresh and modern.

• 🎨 Green Pack Theme: Pre-installed custom green theme for a soothing dark/green aesthetic.
• 📂 Custom Icons: System-wide Green Pack Custom Icon set.
• mouse Cursor: Exclusive Green Pack Mouse Cursor integrated.
• 🔄 StartAllBack: Pre-installed and configured for the best classic start menu experience.

🚀 Installation Modes (4in1)

During installation, you can choose the version that best fits your needs:

1. Windows 11 Pro 25H2 With Defender + Theme Pack + Icon Pack (Full Experience)
2. Windows 11 Pro 25H2 Removed Defender + Theme Pack + Icon Pack (Best for Flashing Tools)
3. Windows 11 Pro 25H2 With Defender (No Theme/Icon)
4. Windows 11 Pro Removed Defender (No Theme/Icon)

⚠️ Important Note: For Mobile Software/Flashing tools (like UnlockTool, UMT, etc.), it is recommended to use the “Removed Defender” version to prevent antivirus interference with loaders.

📱 Pre-Installed GSM Mobile USB Drivers

Forget the hassle of finding drivers manually. This OS comes packed with every driver you need for mobile repair.

Supported Brands & Chipsets:

• Universal: ADB & Fastboot, Universal Naked Driver, UsbDk
• Chipsets: MTK (All Versions), Qualcomm (New QcomMtk & QC), SPD (Spreadtrum), VCOM & CDC Drivers
• Brands:
  • Samsung USB Drivers (v1.9.0.0)
  • Huawei (COM 1.0 & HiSuite)
  • Xiaomi / Redmi / POCO
  • Oppo / Vivo / Realme (Preloader)
  • iPhone / Apple USB Drivers
  • Motorola, Nokia, Lenovo, LG, HTC, ASUS
  • Lava, Micromax, LYF, Panasonic
• Smart Card: Alcor Micro & Generic Smart Card Drivers

🛠️ Pre-Installed System Software & Tools

A complete suite of utilities is ready right after the first boot.

🗜️ Archive & Utility Tools:

• 7-Zip 24.03 (x64)
• WINRAR v7.13
• Notepad++ (64-bit)
• Everything Search Tool
• VLC Media Player

🔒 Security & Protection:

• Obit Unlocker
• ROCKEY200 Driver (Remove only)

⚡ Essential Runtimes (Gaming & Stability):

• Microsoft DirectX End-User Runtime
• Microsoft Visual C++ Redistributables (Complete Package 2005 – 2022)
  • Includes all x86 and x64 versions for maximum compatibility with games and tools.
• Microsoft Windows Desktop Runtime (6.0.17)
• Microsoft XNA Framework 4.0

💻 System Requirements & Info

• ISO Size: 5.55 GB
• Required C: Drive Space: 12 GB (Minimum)
• Architecture: x64 (64-bit)
• Author/Credits: Powered by PIR Muhammad AKASH (modsapps99.com)