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hungx

macrumors 6502
Original poster
May 8, 2012
346
47
Davis, CA
My iPhone's screen occasionally dims by 20% for a while, then automatically reverts to 100% brightness. I have auto brightness turned off. I'm noticing that it happens more frequently. Is this a software or hardware issue? It doesn't happen frequently enough to be able to bring into an Apple store, but enough to annoy me.
 
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