I have bought a
Micro USB MHL To HDMI Adapter HDTV Cable For Samsung Galaxy S3 i9300 Note2 N7100 from eBay, and just assumed backward compability (yes I know...)
So know I have this thing, and a Galaxy S5, and it's not working. On my sisters LG G3 it's also not working.
Anything I can do beside giving it away to the next person who has a S3?