I was using my S8+ with my TV. After a couple updates ( prior to Pie) no longer worked. Please don't suggest turning things on / off or factory reset.... The cord is fine. My phone just now updated to Pie, I thought great, maybe it will work again..... nope... I've contacted Samsung, same BS runaround. Samsung - must be a compatibility issue, Me - it was working, Samsung - must be the cord, buy a new one, Me - already did, tried two different brands, Samsung - was one of them Samsung, Me - ......., Samsung - try factory reset, Me -....... by this time I know I'm screwed. There WAS something to do with an update. (And yes prior to the Pie update I did a factory re-set with no results). From the comments on this post appears no one has a solution....