3 ms·What is Dex? I've read a lot on that page but still don't get it.by fiatjaf 8y agoWhat is Dex? I've read a lot on that page but still don't get it.Jonnax 8y agoWhen you plug a hdmi cable into a Samsung phone you can either use screen mirroring or go into a desktop mode thats designed for keyboard and mouse.bepvte 8y agoSpecific samsung phones, with special docks (I tried it )