While the underlying maps are updated separately, the rendering engine in 9.0.35.50x has been tweaked. You will notice:
Are you looking to fix a like Bluetooth drops or navigation lag? Share public link
After updating to 9.0.35.50x, you may need to access the developer menu or use a diagnostic tool like with an OBD2 scanner to toggle the display resolution parameters to full-screen mode. 3. Black Screen After Update
Ensure your USB drive is explicitly formatted to FAT32 (NTFS or exFAT will not read).