​⭐ Very Easy Guide — All HU Types & How to Use the FSC + NAV Tool
Your tool supports three HU families:

1. NBT
2. NBTevo (EVO)
3. MGU

Each HU has its own FSC files, map regions, and navigation features.
Your tool keeps everything simple → you just choose the HU type, VIN, region, and press the buttons.

🚗 1. NBT — Easy Features
What functions work for NBT:

• Generate basic FSC codes (Apps, Voice, Base Navigation)
• Patch VIN automatically
• Repair timestamps inside the FSC
• Save the new FSC to your computer
• Prepare FSC files for activation

How to use:

1. Select HU Type = NBT
2. Select an FSC template from the list
3. Enter your VIN
4. Press FSC PROCESSING (PC)
5. Your FSC file is created instantly in the OUTPUT folder

NBT = simple, classic FSC generation.

🚗 2. NBTevo (EVO) — Easy Features
What functions work for NBTevo:

• All NBT functions plus:
• Create CarPlay FSC 
• Create Base Nav FSC 
• Create Map Update FSCs for any region 
• Choose map version (e.g., Road Map EVO 2025-1)
• Auto-select the correct NAV template based on region
• Optional Level-3 signing if fsctool.exe and keys exist

How to use:

1. Select HU Type = NBTevo (EVO)
2. Choose your feature FSC or map FSC
3. Enter VIN
4. Select region (Europe, NA, Asia, etc.)
5. Pick map version (optional)
6. Press PROCESS
7. Your completed EVO FSC file appears in the OUTPUT folder

NBTevo = full smart generation, CarPlay support, map FSC creation.

🚗 3. MGU — Easy Features
What functions work for MGU:

• Generate feature FSCs (Apps, Voice, Base Nav)
• Patch VIN & timestamp
• Save FSC to OUTPUT folder
• Map FSC support depends on available MGU templates
• Same simple logic: choose → VIN → process

How to use:

1. Select HU Type = MGU
2. Select an FSC template
3. Enter VIN
4. Press PROCESS
5. Your updated FSC appears in the OUTPUT folder

MGU = clean and simple FSC generation.

📦 Common Features for All HU Types
Regardless of HU type, the tool always allows you to:
✅ Choose FSC Templates
Feature FSCs (Apps, Voice, CarPlay, Base Nav)
Navigation FSCs 
✅ Patch VIN Automatically
You can enter:

• 7-digit VIN
• 17-digit VIN → Tool auto-extracts last 7

✅ Level-3 Signing (Optional)
If the Windows fsctool.exe + keys exist →
Tool will auto-build a signed FSC.
If not →
Tool uses safe Level-2 mode (no errors).

✅ AI Helper (Beginner Friendly)
Shows easy instructions:

• Which FSC you selected
• What feature it activates
• What VIN will be used
• What to do next

Always updates on your choices.

🎯 Ultra-Simple Workflow (All HUs)Step 1 — Pick HU type
NBT → NBTevo → MGU
Step 2 — Enter VIN
​7 or 17 digits
Step 3 — Choose FSC template
Feature or Map FSC
Step 4 — (Optional) Choose region/map version
Only needed for NAV
Step 5 — Press PROCESS
Your FSC is created instantly.