My SGS3 is still rebooting, I did every method, what to do next?

[Buttliss]

my sgs3 is still rebooting, i did every method, what to do next?

i reinstall my android os via odin. it didnt worked so i try about 20 ways to fix my phone. last i remove my powerbutton because i think that it was Stucked or Defected. but my phone is still rebooting pls help me if you know something