My iphones sleep/wake button is broken and i cant turn my iPhone back on. Please HELP?!?!?

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My iphones sleep/wake button is broken and i cant turn my iphone back on. please help!?
Okay so the sleep/wake button on my 3G is completely broken off, i mean there's a big hole in the top of my iphone where the button has come out.

So i can't use that for anything, cant turn the phone on/off, put it in sleep mode, put it into DFU mode with it - nothing.

My solution to this lack of sleep button was to jailbreak my device and install SBS Settings so i could turn the phone on and off put it in sleep mode etc using that...

But, using the SBS Settings i powered off the iphone... and now i can't get it back on :S

The home button won't turn it on (which i think is ridiculous) and i've tried everything from plugging it into the mains, into the computer, trying to get it into DFU mode manually (which was pretty stupid cos the phone doesn't even register on the computer)...

Now i'm really stuck cos apple won't sort it because it's jailbroken...but it was only jailbroken in order to install SBS Settings so i could compensate for the broken sleep button which i couldn't afford to get replaced..

If anyone has a solution to my problem, either with working around apple to get it fixed or a solution to getting the iphone back on, i will be SO gratefull... :)

If you plug it into a wall jack it should power on. If it does not, you either have a faulty charger/cable, or the iPhone is actually in DFU mode. Seeing how the computer does not recognize the iPhone, your phone likely thinks the power button is depressed. Unfortunately, the only good way to resolve that is to replace the ribbon cable controlling the power button, which is the headphone flex. Read some of the hints on this page, it might help you understand what that cable is and why it would need replacing.

Fortunately the cost is not extreme, and should run you around $50 to get repaired, locally, or on the internet. You might also look into replacing the entire back of the iPhone which includes that cable, a new battery, and a whole slew (sp?) of components, check that out here:

Those should run about $75-100, and will practically make the iPhone look and work brand new!