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From: Jochem Huhmann on 4 Jul 2010 19:03 "smurf" <smurf(a)smurf.com> writes: > Wow, that also must mean that the 3g data connection, while fast when on > table, goes dead in hand. The signal is full, i was sitting next to a window > and have a transmitter within 3/4 mile, with a clear line of site. This should indeed give you signal good enough, yes. >> I think Apple being surprised at this is nonsense (they put it in in >> 2008) but having this fixed is still the right way to go. > > You think all these people experiencing these problems are stupid? The > Iphone 4 (or at least a batch of them) has a massive design flaw, a shame as > well, as the rest of it is amazing. The phone is next to me now, in its box, > awaiting a return bag from Orange. I'm not saying all these people are stupid. I'm just saying that what Apple says makes sense insofar that the bars on the iPhone are greatly misleading and not to be trusted. Jochem -- "A designer knows he has arrived at perfection not when there is no longer anything to add, but when there is no longer anything to take away." - Antoine de Saint-Exupery
From: Martin S Taylor on 5 Jul 2010 03:22 Bruce Horrocks wrote > You have probably seen > <http://www.apple.com/pr/library/2010/07/02appleletter.html> by now, in > which Apple claim to be 'stunned to find that the formula we use to > calculate how many bars of signal strength to display is totally wrong'. A couple of thoughts which I haven't seen mentioned anywhere else: 1. It seems to me that the problem is caused by the human hand attenuating the signal, and to do this some sort of electrical contact is necessary. (Or is it a capacitative effect?) Electrical contact is much more efficient if the hand is even slightly sweaty, as everyone's hands are at the moment, since we are experiencing what passes for a heatwave in the UK. Come Autumn the problem may be reduced, perhaps? 2. The reason Apple didn't find out about the problem until too late was that whenever they tested it away from their labs it was always in a rubber case to maintain secrecy. Remember the one Gizmodo found? The guy who found it didn't recognise it as a new kind of iPhone at first, because of the case Any thoughts? MST
From: Jochem Huhmann on 5 Jul 2010 08:47 Martin S Taylor <mst(a)hRyEpMnOoVtEiTsHm.cIo.uSk> writes: > 2. The reason Apple didn't find out about the problem until too late was that > whenever they tested it away from their labs it was always in a rubber case > to maintain secrecy. Remember the one Gizmodo found? The guy who found it > didn't recognise it as a new kind of iPhone at first, because of the case > > Any thoughts? I just can't imagine that anyone builds a phone with a naked external antenna fully around the case and doesn't closely test all kinds of signal attenuation by holding the thing before starting to manufacture millions and millions of it. That more than 20 dB signal attenuation by holding it in a certain way can be a problem is totally clear inside or outside a lab. No, I think either there are batches of iPhones that have other problems so that this problem gets much worse or Apple just accepted this as a tradeoff against the advantages of this design. I still wait for someone actually doing some real tests by taking a 3GS and a 4 and test them both in the same situations to see how they compare. There's just too much speculation going on. Jochem -- "A designer knows he has arrived at perfection not when there is no longer anything to add, but when there is no longer anything to take away." - Antoine de Saint-Exupery
From: Jochem Huhmann on 5 Jul 2010 09:22 me32(a)privacy.net (R) writes: > Jochem Huhmann <joh(a)gmx.net> wrote: > >> I still wait for someone actually doing some real tests by taking a 3GS >> and a 4 and test them both in the same situations to see how they >> compare. > > Like this test? > > http://www.youtube.com/watch?v=znxQOPFg2mo > > iPhone 3GS left, iPhone 4G right. Yeah, but this is via WiFi, not 3G. And more than 500 WiFi stations in one room is not what I would call a "normal" situation. And anandtech.com has measured the iPhone 4 WiFi as getting a boost of 10 dB when you grip the antenna anyway, so the iPhone 4 WiFi should work *better* when you hold the thing... No, what I meant was: Someone should take a 3GS and a 4, hack both to display dB values instead of bars and take a few days to drive around and test both in several places and situations, writing down the signal strengths. Then we'd have real-world data to look at and compare. I can believe that Apple screwed up here majorly, but I can also believe that this is just a minor problem most people will never see and can avoid easily if necessary and that this thing works as designed. I have no idea what's true, actually. There are people who like to blow such things up totally out of proportion just because it is Apple and there are also people who would defend Apple even if those things would bite their fingers off. Jochem -- "A designer knows he has arrived at perfection not when there is no longer anything to add, but when there is no longer anything to take away." - Antoine de Saint-Exupery
From: Sak Wathanasin on 5 Jul 2010 10:11
On 5 July, 13:47, Jochem Huhmann <j...(a)gmx.net> wrote: > I still wait for someone actually doing some real tests by taking a 3GS > and a 4 and test them both in the same situations to see how they > compare. There's just too much speculation going on. <http://www.anandtech.com/show/3794/the-iphone-4-review/2> |