Comments on: Is the brownish spots on the front top on the iPhone 3GS normal? http://iphoneanswer.com/is-the-brownish-spots-on-the-front-top-on-the-iphone-3gs-normal/ The only place for Answer for your question about iPhone Fri, 19 Mar 2010 09:13:27 -0400 http://wordpress.org/?v=2.8.4 hourly 1 By: Kinikiblue http://iphoneanswer.com/is-the-brownish-spots-on-the-front-top-on-the-iphone-3gs-normal/comment-page-1/#comment-2615 Kinikiblue Fri, 27 Nov 2009 12:09:30 +0000 http://answers.yahoo.com/question/index?qid=20091126203222AA6Hysn#comment-2615 Those are sensors to determine when the auto brightness adjusts itself and to also determine when the phone is near your ear during a call so it can turn off the screen while talking. This makes it so your ear doesn't accidentally end your call mid conversation. Those are sensors to determine when the auto brightness adjusts itself and to also determine when the phone is near your ear during a call so it can turn off the screen while talking. This makes it so your ear doesn’t accidentally end your call mid conversation.

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