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Proximity sensor issues with white iPhone 4

Posted by | May 6, 2011 .

There are proximity sensor issues recently noticed on the new white iPhone 4 with two cases so far. When the white iPhone 4 minus a screen protector is placed in an Otterbox Defender and the Griffin Survivor the proximity sensor does not work at all. The call screen remains on even when a finger is covering it entirely. This seems to be due to the plastic film that is covering the sensor preventing it from working properly. When the plastic that covers the proximity sensor is removed it works fine, the screen disables like it is supposed to when on a call. We tested the black iPhone 4 in both of the cases with the plastic film still covering the proximity sensor and the screen disabled as it is supposed to. Have you had these issues? Have you used another brand case with the same issues? Leave a comment and let us know.

Update: The front invisible shield by Zagg is causing the proximity sensor on the white iPhone 4 not to work at all. I am using an anti-glare screen protector by iFrogz on my white iPhone 4 and have no problems at all.

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17 Comments so far
  1. Gregory_quinn May 7, 2011 2:28 am

    Yep, white iPhone and defender case – the white iPhone was a gift for my wife and she currently doesn’t like them since she kills phone calls when she puts the phone to her ear.

  2. Danny May 9, 2011 8:08 pm

    Yeah same problem here!! Proximity sensor works great outside the case, then not at all in the case. Sucks because theres no warning on their website that their case does this! At least Otterbox tells you it wont work! The White Iphone was for my girl, and she was so happy with the sweet pink and white Griffen Survivor case! But after hanging up on people numerous times, or muting herself and not realizing it, we’re trying to find her another “tough” pink case. Any suggestions?

  3. Christina May 10, 2011 8:28 pm

    I am using a bumper with a zag cover and the sensor does NOT work!! I have a pretty piece of junk!! I HATE this phone!

  4. Tobejs May 11, 2011 4:31 pm

    Zagg Invisible Shield cover is causing this problem. See macrumors for more:

  5. Otniel Fps May 14, 2011 6:20 pm

    Capdase anti fingerprint failed to work, SGP Fine Matte worked fine

  6. Msole_5 May 18, 2011 12:05 pm

     I have a Zagg invisible shield on my white iphone4 for at&t, and my prox sensor does not work at all.

  7. Tobejs May 18, 2011 1:20 pm

     Best Buy made good 
    On May 4, my wife and I bought iPhone 4s at Apple Store – mine black, hers white. Then had Best Buy install Zagg Invisible Shields on front of both phones. My wife later noticed her phone screen didn’t turn off during calls (mine worked fine). Found four discussions of the issue (listed below), with Zagg covering the white proximity sensor evidently being the problem.
    Went to an iPhone class at the Apple Store, and they confirmed that the problem was the shield blocking the proximity sensor. (BTW, also found out that none of the Apple Store employees used a screen cover because the quality of the iPhone 4 glass is so high.)
    Then returned to Best Buy. Employee removed Zagg and proximity sensor began working. No problem in returning the Zagg Invisible Shield, and getting our money back for both the product and Best Buy’s installation. (Interestingly, the employee also had a white iPhone without a screen cover.)
    IMPORTANT:Best Buy employee said cutting a hole for the proximity sensor would void the Zagg warranty.
    Here are the discussion sites:
    Apple Support Discussions – “Proximity Sensor not working on White iPhone 4”
    MacRumors Forums (1) – “White iPhone 4 w/ Zagg – Proximity not working”
    MacRumors Forums (2) – “iPhone 4 Proximity sensor, Black vs. White”
    The iPhoneAddict – “Proximity sensor issues with white iPhone 4” one-4/#comment-206072330

  8. Kenobeest June 5, 2011 11:58 am

    doesn’t work with ivyskin quattro 4 glass cover. I am trying to figure out how to mod glass.  worked intermittently with invisishield

  9. B Turn2009 June 26, 2011 4:01 pm

    My particular iPhone hates powersupport crystal films. I have to cut a hole for the sensor, so that it works. It seems that some of the sensors are more sensitive than others. Mine isn’t sensitive enough, so when it’s covered it does not read. Not apples problem as they did not design with screen protectors in mind. Protector manufacturers need to adapt their product line for the new white iPhone knowing that there is a problem with some of the phones.

  10. Jdayao July 10, 2011 10:19 am

    I ended up buying the incipio destroyer in magenta but looks like it is pink in color. The case is not as durable as the Griffin but it does protect the phone. I no longer have any issues with the proximity sensor.

  11. Enilza July 12, 2011 12:37 pm

    The proximity sensor in my white iphone 4 not work i remove the bodyguardz screen and now work perfect the problem is the shied screens.

  12. Pat September 21, 2011 6:45 pm

    I have the same problem with the BookBook case. Phone worked perfectly for 2 months, then I added the BookBook case and problems with the Sensitivity Sensor began. The phone seems to slide up in the case enough that the sensor becomes partially covered.

  13. Trayborn114442 December 27, 2011 9:38 pm

    I have a pink (sort of like the otterbox) case and was having major issues with screen lock problems during calls. I would accidentally mute, dial, face talk, and end the call without even knowing the problem. I researched where the iPhone 4s proximity sensor was located (which is above the top speaker) and cut out a small portion of my protector screen from pink case. My issue was solved. No hang ups, dialed calls, face talk, or mute issues have happened yet so far after I did this. I hope this post will help someone.

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