How to connect Samsung Galaxy S3 to TV..
There are 3 ways to do this..
1. You can use a compatible MHL adapter that connects to the micro USB charging port of your phone and then a regular HDMI cable from your TV connects to the MHL adapter that's connected to your phone. You will have to connect the Samsung micro USB charging cable to the MHL adapter in order for this to work.
You will be able to see everything that you do on your device, however you will be limited to how you hold your phone if you are trying to play a game and direct what you see on the screen to the TV.
Note: the MHL adapter may overheat your device if you have it on and working for long periods of time.
2. You can use a remote access app on the phone to view on a PC/TV monitor. Depending on the remote access app, there maybe a lag seeing the image on your screen. Most apps like this are paid apps.
3. The Samsung Galaxy S3 phone has a natively installed software tool on the phone or can be downloaded from the Samsung Galaxy App Store (Available after you set up your Samsung account on your phone) that can link to a compatible DLNA device (most TV's that are 2005 or older). The app is called Samsung AllShare Play, or it may also be called Samsung Link
First try cleaning earphone jack orifice then check your earphones for blockage I/E earwax ,dust ,dirt if this doesnt suffice,you can try the exstreme remedy "AT YOUR OWN RISK" go to settings select backup and reset,select factory data reset,then press erase all data...Remember you will have to setup your phone again from scratch. Marcus