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One Possible iPhone 4 Antenna Fix With Mixed Results
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didnt work for me
this solution definitely didnt work for me - applied the insulating tape very carefully - I still get signal bars drop from full 5 to 2. All being said, at home I generally cant makes any phone calls due to poor reception but I can with my iphone 4 if i hold it "correctly" - best reception of any phone I've had, I'm buying the bumper..
this solution definitely didnt work for me - applied the insulating tape very carefully - I still get signal bars drop from full 5 to 2. All being said, at home I generally cant makes any phone calls due to poor reception but I can with my iphone 4 if i hold it "correctly" - best reception of any phone I've had, I'm buying the bumper..
Quoting this for emphasis so that some of the morons here will take the time to read that review.
+1 Apple is HUGE, regardless of what most people think, I can't imagine the CEO of such a large corporation would be ignorant to the problems of his flagship product. I don't have the reception issues most others are claiming which leads me to believe that no everyone is suffering from this. Which also leads me to believe that this has to either be location specific, and or fixable via software. I will give Apple a chance to respond to this before I pass judgement.
Worked for me. In my office, where my iPhone3G worked just fine, my iPhone4 had not data receptiion at all and no bars -- incoming voice calls went directly to voicemail and outgoing calls dropped immediately if they connected at all. I just tried the SIM removal and reinsertion this morning -- no tape, just took out the SIM and put it back in --and it seem to have worked for me. I am showing 3 bars and I'm now getting 500kbps of data transfer.
Regards
John
Regards
John
it works
Hi guys from the uk using a o2 sim... this solution seems to be working for me ... just. I found that the i was not able to cut the sim card down. the gold chip is bigger than the tray so the only solution is to use tape, i only have brown tape and applyed it so no contact is made to the tray. It seemed to make a difference...going out to buy some electrical tape now maybe it will work even better.
Hi guys from the uk using a o2 sim... this solution seems to be working for me ... just. I found that the i was not able to cut the sim card down. the gold chip is bigger than the tray so the only solution is to use tape, i only have brown tape and applyed it so no contact is made to the tray. It seemed to make a difference...going out to buy some electrical tape now maybe it will work even better.
I have a much mire peculiar problem, there are times when I'm on 3G with full bars and the phone is completely non responsive, it takes ages for safari or maps to respond.
This is how they are going to fix it:
http://www.engadget.com/2010/06/30/apple-hiring-iphone-antenna-engineers-for-some-reason/
http://www.engadget.com/2010/06/30/apple-hiring-iphone-antenna-engineers-for-some-reason/
on the contrary, more than one post has suggested ALL phones have the signal issue. that those of us who have never seen the issue are being fanboys.
Let's look at this 'fix.' On the original post in the first 10 pages, 13 people said it worked for them. 27 people said it did NOT work. Those people were told they did not put it in right. Or use the right tape. And of the 13 people who said it worked, 7 recanted and said the issue came back.
so.. all this is about 6 maybe cases against 34 no's.
really?
and you say science is not needed?
It opens my eyes that people seem to be encouraging others to modify their sim cards based on 6 maybes versus 34 no's. MacRumors should be discouraging that.
This is how they are going to fix it:
http://www.engadget.com/2010/06/30/apple-hiring-iphone-antenna-engineers-for-some-reason/
That is absurd. Glad they are hiring but if they are just now trying to find the answer from a new hire, means no fix expected soon.
Maybe Apple fired their current antenna engineers who missed this problem
It works everyone who has one try it!!!!
i think the whole point of this forum is to tell people of your own experiences, to have mac rumors discourage users not to do things is silly we are all adults...
You don't need to cut the sim card... i think all you need to do is stop the contact of the gold sim with the tray (it's quite fiddley and took me a couple of times as it would say 'sim card not inserted' just make sure when looking at the sim card in the tray there's at least 1 to 2mm of tape you can see (BTW i'm still using normal brown tape as it's quite thin & have not had any sim tray jams) ... i've done it this way and it's working much better for me (instead of total signal loss i'm only dropping by two bars). this is my experience...i have not cut my sim card at all.
i think the whole point of this forum is to tell people of your own experiences, to have mac rumors discourage users not to do things is silly we are all adults...
You don't need to cut the sim card... i think all you need to do is stop the contact of the gold sim with the tray (it's quite fiddley and took me a couple of times as it would say 'sim card not inserted' just make sure when looking at the sim card in the tray there's at least 1 to 2mm of tape you can see (BTW i'm still using normal brown tape as it's quite thin & have not had any sim tray jams) ... i've done it this way and it's working much better for me (instead of total signal loss i'm only dropping by two bars). this is my experience...i have not cut my sim card at all.
Just tried it.
I didn't use any tape. I didn't want to risk a jam. I tried for 20 minutes to cut just the right size and gave up. But I put my sim back in, tried bridging the antennas, and it won't bridge. I don't lose any bars now. Weird. I'll be reporting if it was better or worse by the end of today.
I didn't use any tape. I didn't want to risk a jam. I tried for 20 minutes to cut just the right size and gave up. But I put my sim back in, tried bridging the antennas, and it won't bridge. I don't lose any bars now. Weird. I'll be reporting if it was better or worse by the end of today.
Correct me if I'm wrong, but doesn't the SIM card just authorize your phone to use the AT&T towers? I didn't think they had ANYTHING to do with data transfers or calls. Pretty sure that is all in the antenna, and the SIM just authorizes if your phone is allowed to use their towers or not. Don't see how this could effect signal or data myself.
(I tried it anyways...and it did nothing for me)
(I tried it anyways...and it did nothing for me)
Out of curiosity I took my SIM out, put it back in, and restarted my phone. I ran speedtest in my office at work. Previously I would get normal download speed here, but the death grip would reduce my signal to almost zero. Now the death grip does not seem to have any noticeable effect. I don't know if this actually fixed anything or if my phone just found a better tower, but it is certainly interesting!
No that doesn't mean that it is AT&T's fault at all. It could simply be a bad batch of Micro Sim cards from the manufacturer. Or it may not be.
The issues are not US centric though.
Because a computer not powering on or off is an easy to identify problem. Yellow spots on a screen are pretty clear.
Bars dropping when people hold a phone a certain way in some places and not others which may or may not result in calls being dropped is far from clear. (It is actually a loose collection of anecdotes that may or may not be related). The problem in this case is far from being identified. We have a collection of anecdotes on both side, none of which measure anything at all. Is there a problem sure. How do we know from the evidence we have that the bars dropping is not purely cosmetic and the calls dropping is not purely a factor of the proximity sensor issue many people have identified. Some people have Internet slow down when the bars drop other people do not.
It is doubtful that everyone claiming to have this issue are even experiencing the same problem, based on the wide variety of conditions and results we have seen. If we believe everyone who claims to have this problem, we must believe there is more than one problem and they are unrelated.
The difference between this issue and the others you mentioned is fairly clear.
Exactly...
I mean why on earth would they look for not 1 but 3 new antenna engineers!?!?
LOL in any case...
Here you go, it's been documented/quantified:
https://www.macrumors.com/2010/06/30/detailed-analysis-of-iphone-4-signal-strength-dropoff/
arn
