Iphone 6 Hard Reset Doesn't Work

I've tried everything on my presumably dead iphone 6s, no connection to dfu, not to itunes, hard reset doesn't work, and it wont charge. i really don't want to go to the apple store to get it fixed because i don't have a warranty and i don't know if my family will be able to pay to get it fixed.. To hard reset an iphone 6s, 6, se, 5s, 5, and earlier models, press and hold down the home button and the power button together until your iphone screen turns black and the apple logo reappears on the screen.. The apple iphone 6 plus has been restored (reset) successfully. if the apple iphone 6 plus becomes unresponsive or doesn