Today, more and more iPhone 4 users claiming that when using the Home key, and failure occurs, and normal, and makes them feel headaches are: they are unable to find the source of the problem, and thus solutions could not be found.
To solve this problem, the following is the solution you can consider
Incomplete statistics, using the Home key failures, only a small part of the problem in terms of hardware, most of the problems occur in touch adjustment problems, either the application bug happens, if this is the case, we can be resolved by simple method, instead of a stupid waiting for iPhone automatically return to normal.
First, open any app in your iPhone 4, press and hold the power switch for a few seconds, until the screen appears indicating the sliding key.
At this point you can let go of the power button, but do not slide off, at the same time press the Home button for a few seconds, until the screen back to the Springboard.
So you have relocated the Home key, can be used normally.
But if you fail after trying to use the Home key, which judgment may be a hardware problem, Need to find the Apple aftermarket repair center to fix your problem.
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