A minimum of 4 GB is required for audio-only updates, while navigation updates may require up to 64 GB .
If you have a pre-2013 GD-01 without a visible update option in the menus, accept that a dealer visit is inevitable. For everyone else, grab a USB stick, download the latest V4.x release from Hyundai’s update portal, and give your i30 the digital refresh it deserves. hyundai i30 gd-01 firmware update