If the system does not auto-detect the file, go to ➔ System Upgrade ➔ Local Upgrade .
Fashing firmware onto a car head unit requires care to avoid permanently damaging (bricking) the hardware. Meet these requirements before starting: Blaupunkt Key Largo 970 Software Update File Download
The drive must be formatted to the file system. Systems formatted to NTFS or exFAT will not be recognized by the Blaupunkt head unit. Ensure the USB drive is completely empty. 3. Maintain Stable Vehicle Power If the system does not auto-detect the file,
Step 1: Blaupunkt Key Largo 970 Software Update File Download Blaupunkt Key Largo 970 Software Update File Download