Note: Blu-ray discs are in a high definition format and need to be played on a Blu-ray player. To find out more about Blu-ray, visit our Hi-Def Learn & Shop store. Please note that this product will not play on US spec 60i Blu-ray players as the Blu-ray discs are authored to UK 50i specs. WILL NOT PLAY ON SONY PRODUCTS DUE TO LACK OF PAL/50i Support. Important Information on Firmware Updates: Having trouble with your Blu-ray disc player? Will certain discs just not play? You may need to update the firmware inside your player. Click here to learn more.