Warning. Placing iPhone 4/4S in case with magnet will destroy the compass!

Discussion in 'iPhone' started by richard371, Oct 25, 2011.

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  1. richard371 macrumors 68020

    Feb 1, 2008
    This weekend I tried placing my iPhone 4S in a blackberry 9900 leather holster to see how it fit. Now when I try to use the compass or any app that uses the compass I always get prompted to calibrate it and have to do the figure 8 pattern for 10 seconds. I can be in the middle of an open field and always have to do this. I did not have to before. I tried rebooting the phone and a restore and it didn't resolve the issue. I don't know of anyway to degauss the phone. Loks like I will have to exchange it.
  2. bandofbrothers macrumors 601


    Oct 14, 2007
    This is a issue that has been discussed intensively. The use of a holster / pouch with a magnetic clasp can affect the phone.
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