How to Tell if an MHL Adapter is 5 PIN or 11 PIN by Looking at it

Learn how you can tell if an MHL adapter is a 5 PIN or 11 PIN version. Some smart phones like the Samsung Galaxy S range, you can use the MHL adapter to cast the screen onto the TV. But there are different versions of the MHL adapter that is compatible with different phone. So you want to make sure you buy the right one for your phone.