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iPhone 3G and iPhone 3GS: How to clean the back of the device
This article has been archived and is no longer updated by Apple.
Summary
If the back of your iPhone 3G or iPhone 3GS becomes discolored, you may clean it with isopropyl alcohol.
Products Affected
iPhone 3G, iPhone 3GS
Dampen a clean, soft, lint-free cloth with isopropyl alcohol. Rub the back of the device until clean.
Do not apply alcohol directly to the device.
Avoid rubbing the display with the alcohol, and avoid getting alcohol in any openings.
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