Use Your Flashing Key
To begin flashing your Pixel with Castrum OS, please enter your Flashing Key.
This key is required to access the correct Castrum OS image for your specific device model.
Instructions:
- On this page, enter your 16-character Flashing Key into the input field.
- Click the button: Download Castrum OS
The system will:
- Validate your key
- Detect your connected Pixel device
- Match it with the correct Castrum OS version
If the key is valid:
- You will be redirected to the next page where download process will begin

Once the download is complete and verified, the Next button will become active. Click Next to continue