J:COM LINK-XA402 is a free app that allows you to enjoy J:COM TV on your smartphone or tablet. With this app, you can watch both live and recorded programs on your mobile device. You can even download recorded programs to your smartphone or tablet and take them with you wherever you go.

One of the best features of J:COM LINK-XA402 is that you can make recording reservations from the app's program guide, even when you are away from home. However, you need to set up the cooperation with the "J:COM LINK" main unit in advance to use this feature. Additionally, to enjoy recorded programs, you need to connect J:COM LINK to an external hard disk. It is important to note that LAN recording (including dubbing and moving), on-air programs, and recorded programs (including remote download) cannot be viewed for 4K broadcasting.