1. kar120c's Avatar
    Read in the tech spec that from Iphone 4s ti 5s has equipped them with an infrared sensor.
    What is means?
    04-06-2014 06:45 AM
  2. kch50428's Avatar
    It detects when you're holding the phone up to your ear...
    04-06-2014 08:28 AM
  3. kar120c's Avatar
    thanks
    04-06-2014 09:30 AM
  4. kataran's Avatar
    Welcome to iMore Kar

    Some cases interfere with the sensor so avoid cheaply made ones


    iMore Ambassador -iPhone 5s
    04-06-2014 10:53 PM
  5. IAmSixNine's Avatar
    Some screen protectors can cover that sensor as well and cause it to not function properly.
    04-07-2014 12:31 PM
  6. kar120c's Avatar
    Only first quality cases for my 4s. My favourite is Speck Pixelskin HD
    04-07-2014 05:47 PM

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