From: Bruce Horrocks on
On 07/07/2010 10:45, Peter Ceresole wrote:
> Ben Shimmin<bas(a)llamaselector.com> wrote:
>
>>> Idle thought, but I wonder how much of this signal snafu is due to Apple
>>> field testing units my putting them in fake 3GS cases, and thereby
>>> (unknowingly) avoiding the problem?
>>>
>>> Seems very unlikely but stranger things have happened.
>>
>> It's a possible explanation, but don't you think it's a ridiculous one?
>
> It doesn't seem to me to be ridiculous in the slightest.

Whether ridiculous or not I think it virtually impossible that the
prototyping in a different case obscured the issue.

The RF engineers would have been fully involved with the case designers
- from an antenna placement and construction point of view - from the
very beginning. Presumably they are vaguely competent and are aware of
both attenuation and detuning so I can only assume that they thought
they had solved the problem in some way.

Just as there were prototype iPhone 4s in 3GS cases the I would have
thought it extremely likely that there were 3GSs in iPhone 4 cases to
test the real antenna design.

Eventually we'll find out what really went wrong and no doubt it will be
something really stupid.

--
Bruce Horrocks
Surrey
England
(bruce at scorecrow dot com)
From: Ian McCall on
zoara <me18(a)privacy.net> wrote:
>
> I'm still curious as to whether this is a design issue or a
> manufacturing issue. ...some people are reporting that they don't see
> the issue; it's
> not clear whether they mean they don't trigger it in normal use, or
> they
> can't trigger it when they deliberately try. If it's the latter, then
> this gives me hope that they've just rattled off some substandard
> batches and once they've made their way through the supply chain we'll
> see some newer (and better-manufactured) ones that don't have the
> issue.

That's my hope too, but to be honest it's quite a distant one. Just
tried again in our low-signal office: my 3GS showing three bars and
Edge. Less than a minute of me holding the 4 reduced it to searching for
a connection. That's not algorithm, that's physical.

Would love to think it's manufacturing, but I'll need to hear of an
actual change identified before I consider a change. To me, it looks
like another year of 3GS ownership so far. No problem with that, is a
good phone and I'll be out of contract in December so can go for cheaper
deals instead.

>
> I wonder whether the iPhone 4 will end up being viewed by history as a
> mistake, like the third-gen iPod with the touch-sensitive buttons
> above
> the wheel. I had one of those, and it wasn't a great design...

Yep, I seem to remember coming out against those on this group too. Must
say the physical look of the 4 doesn't appeal to me as much either: I
prefer the literal shininess of the 3GS over the matt of the 4, and I
prefer the curve over the slab.

Ah well, we'll see.


Cheers,
Ian
From: zoara on
zoara <me18(a)privacy.net> wrote:
> For
> example, some people are reporting that they don't see the issue; it's
> not clear whether they mean they don't trigger it in normal use, or
> they
> can't trigger it when they deliberately try.

A friend on Facebook has just told me he doesn't get the issue.
Unfortunately he's halfway across the country so I can't get my
known-to-cause-the-issue hands on it, but I've asked him to try a few
things. I'll report back if he has anything interesting to say.

-z-


--
email: nettid1 at fastmail dot fm
From: zoara on
Ian McCall <ian(a)eruvia.org> wrote:
> zoara <me18(a)privacy.net> wrote:
>>
>> I'm still curious as to whether this is a design issue or a
>> manufacturing issue. ...some people are reporting that they don't see
>> the issue; it's
>> not clear whether they mean they don't trigger it in normal use, or
>> they
>> can't trigger it when they deliberately try. If it's the latter, then
>> this gives me hope that they've just rattled off some substandard
>> batches and once they've made their way through the supply chain
> > we'll
>> see some newer (and better-manufactured) ones that don't have the
>> issue.
>
> That's my hope too, but to be honest it's quite a distant one. Just
> tried again in our low-signal office: my 3GS showing three bars and
> Edge. Less than a minute of me holding the 4 reduced it to searching
> for
> a connection. That's not algorithm, that's physical.

It could still be software. Not the algorithm that displays the bars,
but the driver being unable to adapt to a change in signal. The iPhone 4
has some whiz-bang new software (in the baseband, or something?) which
allows it to better select the best signal available - I think it more
deeply monitors the strength of nearby frequencies. Perhaps there's a
nasty bug in this, and it's simply not doing what it should.

I have my doubts on this, though; if it was a software fix I'd expect
Apple to have announced that rather than fobbing people off with a
change to the way the bars are displayed.

> Would love to think it's manufacturing, but I'll need to hear of an
> actual change identified before I consider a change.

Me too.

> To me, it looks
> like another year of 3GS ownership so far. No problem with that, is a
> good phone and I'll be out of contract in December so can go for
> cheaper
> deals instead.

My 3G is feeling a lot older and creakier now; I would like a bit more
speed. I'll probably go for a 3GS off eBay unless I hear of a believable
fix.

>>
>> I wonder whether the iPhone 4 will end up being viewed by history as
> > a
>> mistake, like the third-gen iPod with the touch-sensitive buttons
>> above
>> the wheel. I had one of those, and it wasn't a great design...
>
> Yep, I seem to remember coming out against those on this group too.
> Must
> say the physical look of the 4 doesn't appeal to me as much either: I
> prefer the literal shininess of the 3GS over the matt of the 4, and I
> prefer the curve over the slab.

To me, both designs have decent aesthetics. The retina display is a huge
draw for me, though - I've always thought the iPhone screen was a bit
poor with small text. And the speed and camera are also draws over the
3GS.

-z-


--
email: nettid1 at fastmail dot fm
From: zoara on
Bruce Horrocks <07.013(a)scorecrow.com> wrote:
> On 07/07/2010 10:45, Peter Ceresole wrote:
>> Ben Shimmin<bas(a)llamaselector.com> wrote:
>>
>>>> Idle thought, but I wonder how much of this signal snafu is due to
> > > > Apple
>>>> field testing units my putting them in fake 3GS cases, and thereby
>>>> (unknowingly) avoiding the problem?
>>>>
>>>> Seems very unlikely but stranger things have happened.
>>>
>>> It's a possible explanation, but don't you think it's a ridiculous
> > > one?
>>
>> It doesn't seem to me to be ridiculous in the slightest.
>
> Whether ridiculous or not I think it virtually impossible that the
> prototyping in a different case obscured the issue.
>
> The RF engineers would have been fully involved with the case
> designers - from an antenna placement and construction point of view -
> from the very beginning. Presumably they are vaguely competent and are
> aware of both attenuation and detuning so I can only assume that they
> thought they had solved the problem in some way.

Which implies to me that this is a manufacturing issue rather than a
design issue.

I guess it just depends on exactly how morbidly obsessed Apple is with
secrecy.

> Just as there were prototype iPhone 4s in 3GS cases the I would have
> thought it extremely likely that there were 3GSs in iPhone 4 cases to
> test the real antenna design.

3GS internals take more space than 4 internals. The "fake" 3GS case was
just dummy plastic to pad the 4 out to 3GS size and shape. Retrofitting
a 4-style antenna onto 3GS guts would be a lot more work (I'm not saying
they didn't do it, mind).


> Eventually we'll find out what really went wrong and no doubt it will
> be something really stupid.

No doubt.

-z-

--
email: nettid1 at fastmail dot fm
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