IPHONE 5S DOESN'T CHARGE / TURN ON
I recently upgrades my iPhone 5s to 8.2 and now the battery is fully discharged
now I tried charging it WITH AN ORIGINAL CHARGER but it doesn't charge or turn on.
-Yes, I'm using an original charger / connector.
-Yes, I tried pushing the home button and on button for more than 20 seconds
-Yes, I tried charging it (I charged it for more than 2 hours).
-Yes, I tried charging it to the plug an the computer.
-Yes, I tried charging it with iTunes on.
It doesn't give any signs of life. PLEASE HELP ME! 😟
iPhone 5s, iOS 8.2