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My iPhone 3G has started randomly switching itself on and off, showing the close screen, swapping the off button with the volume control, displaying the volume control graphic for an extended time, and generally misbehaving. Up till a week ago this almost 4 year old phone was working perfectly, now this! It has latest OS and has always charged with no problems.
Any help desperately required!!
Try #2 and #3 in link below. If neither work, you most likely have a hardware issue--like a battery going bad.
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