Originally Posted by steelbom
When Anandtech did their tests, they said the iPhone 4 lost 19.8 dBm, the Nexus 1 10.8 dBm and the 3GS ~7 dBm; if you take into account that the iPhone 4 furthers the range you can be connected by 7, essentially meaning you "gain" 7 dBm, does the difference not end up being lower at a more reasonable 13 dBm?
Although it isn't evidence to anyone but myself, when I hold my 3GS it drops between 10 and 25 dBm usually somewhere in the middle; even if the 4 did drop 20 dBm it wouldn't be a big deal for me.
You said it was an intentional aesthetic design decision that results in this issue, but if it was such a simple fix why do you think Apple wouldn't have done it? It's not like they aren't very experienced engineers.
For over a year they tested this phone and its antenna, surely if it was as simple as putting a coating on it that they'd have done it?
Yes, the iPhone 4 performs better than previous generations at lower signal strengths. However, the fundamental design flaw still exists.
Analogy: The new car model gets a 40HP increase.... but also gets a parachute. Wouldn't you perfer to get rid of that additional drag?
Apple did "fix" it.... they gave out the bumper casings for a few months. What is rubber but a dieletric material insulating your meat sack (i.e. hand) from contacting the antennas.
The problem I see with a coating is that it needs to be very resilent (withstand scratching, wear, and rubbing off) while being clear or aesthetically pleasing.
Apple instead gave out the bumpers till the issue died down. They also knew that they would be going to Verizon which would help reduce AT&T network strain as well. Basically, they held off criticism until people forgot/did not care.
From a technical/engineering prespective, it is very sloppy... but who cares as long as it looks nice, right?
Originally Posted by ForumViewer
"As easily" is a pretty relative term, particularly for the Verizon iPhone, considering it seems to take a pretty strong, unreasonable grip to get it to lose signal - One that would be used to get any other phone to lose signal. The AT&T iphone was a different story completely.
I'm not saying the iPhone is without flaws, I just think the issue is completely overblown because of Apple's status in the tech industry. The problem can't be too severe for either phone, otherwise there'd be an awful high return rate and there hasn't been, at least for AT&T; we'll have to wait for Verizon.
At the end of the day it's consumers that make or break these phones and decide if their worth keeping, not videos of death-grips and death-hugs and rating and raving on forums. My point is, if the iPhone is more prone to signal degradation and/or loss, it's clearly not a problem for consumers, therefore is it a problem at all?
I am only discussing that fact from a technical/engineering prespective. The Verizon phone still uses two external antennas? Then it has the same issue. However, broadcast engineers could tweak the antennas' shape and location to help reduce the issue.
I am tying not to bring in any externalities or the overall design of the phone/OS/ecosystem as many of those aspects are subjective. However, this design issue is NOT subjective.
Originally Posted by saulin
I own an Iphone 4 and I have never lost signal anywhere in the city. So this is mostly a myth. The IP4 does have pretty good signal. On the other hand; I did have some cell phones that lost signal in a few places.
...but you don't understand the issue. You are attempt to use your individual
case and subjective
testing to support your point of view.
However, widespread testing confirms the issue. When I say testing, it MUST include the debug screen with the dB information to be valid.
Furthermore, physics provides the causation.... antenna detuning.