For Sharp Roku TVs (most common in recent years):
For Sharp Android TVs:
For Older Sharp Aquos (AquosNet / non-smart or legacy smart models): sharp aquos tv software update download free top
This is the easiest and safest method. It requires an active internet connection. For Sharp Roku TVs (most common in recent years):
If a website asks for your credit card to download a Sharp AQUOS firmware file, close the tab immediately. For Sharp Android TVs:
Even with the "top" methods, issues arise. Here is how to fix them.