Ensure the files sit in the main root directory. Re-verify the USB is formatted to FAT32, not NTFS or exFAT. Update Progress Freezes Cause: Corrupted download file or a faulty USB drive.
Be cautious. Custom firmware (sometimes used to unlock hidden features or change logos) may conflict with official updates. You risk bricking the unit. Ask your installer for a revert to stock firmware first. Blaupunkt Bp 330 Software Update
Resolves UI lag and sluggish menu transitions. Ensure the files sit in the main root directory