The Apple TV 4K still beats most steaming devices in every way, but tvOS has become less stable over the years.

Whether you need a quick reboot or a full factory reset, Roku gives you several options. Here is how each one works and when to use it.

You don't need the power button to restart your Android. If yours is broken or you simply want options, here are two.

ZDNET's key takeaways Clear your iPad cache regularly to boost speed and free storage.Safari, Chrome, and apps all store cache that can slow performance.Restarting your iPad helps clear hidden files ...