Verizon iPhone 4: Mind the gap, our tests show

Discussion in 'Verizon' started by ThePhotog, Feb 25, 2011.

  1. ThePhotog

    ThePhotog New Member

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    Verizon iPhone 4: Mind the gap, our tests show - Yahoo! Shopping

    Verizon iPhone 4: Mind the gap, our tests show

    Verizon iPhone 4: Mind the gap, our tests show

    By ConsumerReports.org



    [​IMG]Photo: ALK Technologies
    The Verizon iPhone 4 has a problem that could cause the phone to drop calls, or be unable to place calls, in weak signal conditions, Consumer Reports engineers have found in lab tests.
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    Consumer Reports has no relationship with any advertisers or sponsors on Yahoo!The problem is similar to the one we confirmed in July with the AT&T version of Apple's newest smart phone. It can occur when you hold either version of the phone in a specific but quite natural way in which a gap in the phone's external casing is covered. The phone performs superbly in most other respects, and using the iPhone 4 with a case can alleviate the problem.
    Here's a rundown of what we did and what we found in our tests: We subjected the Verizon iPhone 4 to a full complement of regular tests in order to add it to our smart phone ratings, available to subscribers. We also put it through the special tests we carried out last year on the AT&T iPhone 4 after a rash of consumer complaints about signal reception with that model. There has been no such outpouring of complaints about the Verizon version of the phone
    In addition, to provide a comparison to some alternative models available from Verizon, we also tested five other Verizon smart phones that we rate highly: the Samsung Fascinate; Motorola Droid 2 Global; HTC Droid Incredible; LG Ally; and Motorola Droid X.
    The special tests were all carried out in the controlled environment of CU's radio-frequency isolation chamber at our National Research and Testing Center in Yonkers, NY. In this room, which blocks interference from outside signals, our test engineers mounted each phone on a stand and established a continuous signal connection to our base-station emulator, a device that simulates the signals phones receive in the field. We then placed a finger to each phone in a range of locations around its edge, and monitored any changes to the phone's performance at each position.
    The only phones in which the finger contact caused any meaningful decline in performance was the iPhone 4, the sides of which comprise a metal band broken by several thin gaps. As with our tests of the AT&T iPhone 4, putting a finger across one particular gap—the one on the lower left side—caused performance to decline. Bridging this gap is easy to do inadvertently, especially when the phone is in your palm, which might readily and continuously cover the gap during a call.
    We also carried out tests in which we used the phones with "live" network signals. We captured these via antennas mounted atop our Testing Center and piped them into the chamber, where we used test equipment to vary their strength.
    We made voice calls from each phone to a corded phone in the test chamber, in a series of declining signal strengths. At each level, if the call went through, we made contact with the phone with our hands and noted any changes in performance. With all phones except the iPhone, we gripped the phone's sides to further verify that contact would not result in a dropped call. In all such cases, no calls were dropped.
    [​IMG]Photo: Consumer ReportsThe Verizon iPhone 4 has a problem that could cause the phone to drop calls, or be unable to place calls, in weak signal conditions, Consumer Reports engineers have found in lab tests.
    With the iPhone 4, we placed a finger in contact with the lower-left-side gap. Reception typically dropped notably within 15 seconds or so of the gap being bridged. The iPhone eventually dropped calls when touched at very low signal strength—that is, at levels of around one bar in the phone's signal-strength meter.
    At each level at which calls were dropped, we subsequently tried to place calls from the iPhone with our finger covering the gap. In all such cases, we couldn't initiate a call.
    We also carried out a number of supplementary tests using "live" network signals of low strength, in both the lab and the field. Holding the iPhone normally in our hand, and allowing the gap to be covered, we placed and received calls. These tests, too, yielded dropped calls and an inability to place calls.
    When we placed the Verizon iPhone 4 into the Apple iPhone 4 Bumper, a $29 frame-like cover sold by the company, the problem was essentially eliminated, as it was in our original tests of the AT&T iPhone, when it was placed into a Bumper. Based on past tests of the AT&T iPhone with cases of other designs, we also expect other cases sold for the Verizon iPhone 4 will alleviate the problem.
    Our regular tests confirmed, among other findings, that the new Verizon phone performs differently from the AT&T one in voice quality. With the Verizon version, calls placed to other phones sounded better than they did from the AT&T phone. For calls received, however, the AT&T phone had an edge in quality.
    Our tests also confirmed a widely-noted ease-of-use drawback to the Verizon phone: Unlike the AT&T version, you cannot place a voice call and surf the Web at the same time. That limitation stems from the CDMA technology used by Verizon's network, however, rather than from some feature of the iPhone 4.
    Bottom line: The Verizon iPhone 4 closely resembles the original AT&T iPhone 4 in many positive respects, including offering great multimedia functionality, a sharp screen, and the best MP3 player we've seen on a phone. Unfortunately, it also shares with its sibling the possibility of compromised performance in low-signal conditions when used without a bumper or case.
    As noted earlier, there have not been widespread reports of reception difficulties with the Verizon iPhone 4, and Verizon's network, unlike AT&T's, has received above-average scores from our readers for the reliability of its voice service in the past. (Those scores reflect data gathered before the launch of the Verizon iPhone 4.) But given our findings, we believe the possibility exists for individual users to experience the problem since low signal conditions are unavoidable when using any cell-phone network.
    For that reason, we are not including the Verizon iPhone 4 in our list of recommended smart phones, despite its high ranking in our Ratings. Although Apple no longer offers a free case to buyers of the iPhone 4, as it did for a time after the problem was first discovered on the AT&T version, the company has said in the past that it will consider requests for a free case from customers who buy the phone and subsequently experience reception problems.


     
  2. wildrage

    wildrage New Member

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    Blah Blah Blah...so if I purposely stick my finger across the band of a naked iphone 4, I may drop a call if I already don't have great reception.

    In general, verizon has better signal quality then ATT across the country, so its even less pronounced.

    Also, almost nobody uses their iphone without a case.

    This hype was declared BS with the ATT version last year, and it's BS now.
     
  3. xRITE AIDEx

    xRITE AIDEx New Member

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    Who cares, some of already have our phones.

    Personally when I try the death grip I can't get it to less than 2 bars and I haven't dropped one call yet. Screw Consumer reports buy the phone if you like it, if not don't
     
  4. John88

    John88 New Member

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    Hope Apple does the free case program for us lol :rolleyes:.
     
  5. Largefarva

    Largefarva New Member

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    I actually tried the death grip when I was at the verizon store....and no dice. I couldn't get the phone to drop any bars. I keep it in an otter box case, so no issues of course.

    But I will say that I absolutely love verizon. Their coverage is simply outstanding, I haven't seen my phone lose signal even once in the two weeks that I've had it. I'm an AT&T defector....and couldn't say the same thing about AT&T's service. We couldn't get an AT&T signal at our house to save our lives.....now we have no problem with getting a signal on verizon regardless where we're at.
     
  6. nedaroth

    nedaroth New Member

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    Love phone and service, no dropped calls with or with out case. And i agree with post above that most will use a case anyways so much adoo about nothing.
     
  7. EARL97850

    EARL97850 New Member

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    I like the slimness of a naked iPhone...it's gotta be a slim case.

    Cya
     
  8. Rocinante

    Rocinante New Member

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    "In all such cases, no calls were dropped."

    So, what is the point?
    "Wow, we can make the bars drop...but we can't make it lose a connection."
    And that's enough for them to recommend people don't get the iphone. Morons.
     

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