On/Off button doesn't work.iPhone on permanently?

The sleep button on my iPhone does not work.
Unable to do into DFU mode.

You have to go to settings, general, accessibility, assistive touch, and on.a weird button will apear you can lock the screen from there

Just try to press it like you are massaging… If still no response, then don't shut it down and go to Apple store and show them. Make sure show them the phone in switched on state and then remove your sim when they ask to hand them over…

I'm pretty much sure, its like your phone was fallen on ground.

This sounds silly, but I've read about the guy who had same problem, and he blew very hard through the switch, just like a straw, and it started working fine. It probably dislodged some grime. Give it a try, nothing to loose!

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