iPhone 4 Antenna: How can iOS 4.1 fix?

By Posted 28 Jun 2010, 12:27

For those of you who own an iPhone 4 and do not use a case or one of Apple’s Bumpers, then you will be all too aware of the poor reception caused by the external antenna. We reported yesterday that iOS 4.0.1 firmware update would be able to fix the problem, but owners have been wondering how.

Chris Keall from NBR has a hard time wondering how a software update is able to fix a hardware issue? We know that it is to do with “baseband calibration” and how it gets a signal to a certain band.

Thankfully David Murphy from PC Mag has been explaining how an update to iOS 4 could solve the signal issue. When a hand is close or touching the black bands on the antenna on the outside, then the mobile OS is unable to identify any connection. The update would make it easier for the phone’s software to distinguish and adjust itself.

So that is how software can workaround a hardware fault, we just hope that that iOS 4.0.1 comes soon – it seems a shame to cover this new sexy handset with an ugly Bumper.

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  • peaved

    As of now, I am covering my new sexy handset with an ugly Rubber Band, so they better get this firmware update out ASAP.

  • Helipal

    I can get the reduction in bars – but so far no detrimental effect in call performance of 3g data speed when in left hand (and low bars). I wounder what percentage of peolpe seeing the bars drop actually have a recuction in phone & data performance?

  • Jarad

    The bumper isn’t so bad, it’s well made and offers drop protection. Currently I’m using a black one on a black iPhone 4, I’d rather have white for the contrast but I’m digging the single color tone, it makes it looks good.

  • boehser enkel

    The Antenne Problem is a Software issue Not hardware

  • Paul Harquin

    I've had an iPhone 3G for years and I had no problems receiving cell calls at my house. I got an iPhone 4 with the original iOS and was able to get calls fine. However, I just upgraded to iOS 4.0.1, the software fix for the antenna issues many people reported. Now I have NO reception at home!. It looks like the latest OS version lowers the sensibility bars to show no big difference when someone puts their hand over the antenna but it does so in a way that now my iPhone 4 thinks there is no reception in my house. I live in Washington DC and as I said the same phone had no reception problems prior to this upgrade. I guess I will postpone updating my staffs iPhones until all issues are resolved.

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