I used to want that too, instead of my 'black' kluge. For some reason, I became OK with 'black' instead of 'dimmed to zero'.<BR><BR>Back in the olden days, a piece of shareware called 'Sleeper' gave ...

Are you experiencing the TCL Roku TV dim screen issue? There are several factors that can cause this problem such as wrong picture mode settings, tv’s firmware is outdated, local dimming is enabled, ...

So you've realized that your iPhone's screen dims on its own. What's happening there? Is there something wrong with your phone? If you're looking for answers to such questions, you're not alone.