please tell how to downgrade from ios6.0.1 to ios5.1.1,

please tell how to downgrade from ios6.0.1 to ios5.1.1,.

there are many problems with ios6 in my iphone 3gs. like map not working at all, slow performance, app centre got verry slow, youtube taken away, in short over all bad experiance with iios 6 as compared to ios5.

so please tell me how to downgrade... or remove above short coming by realsing new version of ios.

thanks

Rajesh Tarpara

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