06-23-2010 12:50:27 PM
I read that the no bars thing is a glitch and Apple is working to fix it. In many cases it shows no bars even though you can still make calls as normal. So don't worry.
06-23-2010 12:51:24 PM
I read that the iPhone 4 can sometimes show few or no bars, but calls can go through. It is a problem of how the phone is reading the signal, not that it is not receiving the signal. Apple is aware of this and plans to fix it.
06-23-2010 02:50:58 PM - edited 06-23-2010 02:51:30 PM
I was sitting there in my house watching the signal strength alternate between 3-5 bars over a few minutes, and it was always solid at 5 bars with my 3G. Also, my wifi strenght was varying, even though the hpone was only 15 feet from my wireless router.
Hope it's just a display issue as noted that they'll fix in 4.0.1
06-23-2010 10:33:09 PM
In my case, my reception matches the bars. If I hold the phone, not only do the bars drop, but my calls wont go through or drop. If I lay the phone down, the bars go up and my reception becomes better. My reception on the iPhone 4 has been bad compared to my 3Gs.
06-23-2010 11:21:08 PM
There's my video.
Same reception issue on a 3GS on iOS 4.
Yes I know video is crappy but it was shot with a MacBook camera.
06-24-2010 12:05:33 AM
I just did a connection test on my iPhone 4. Like the iPhone 3G having your hand around the band does have a signal impact but it seems more significant than the iPhone 3G.
Normally on my 3G I get around 1100Kbps in my area. Thanks to AT&T's HSPA 7.2 network I got 2234Kbps in my neighborhood. This is just running the speed test leaving it on a table. 5 bars. With my hand held to the band blocking everything in a square I got 1142Kbps down ... a blockage of over 50%. 5 bars on HSPA 7.2 went down to 3.
Intermittently in my area sometimes I would get 3 bars on my iPhone 3- but the speed impact would be less sensitive. Maybe it has to do with the protocol but that seems unlikely. Usually with 3 bars I'll get 800Kbps.
Now it's not really a problem if you have a good 5 bars .... but now if you went outside and had 3 bars you could potientially lose your signal.
06-24-2010 04:43:27 AM
I've tried the hand holding test and my signal doesn't go down as bad as many of you, in fact, holding or not holding the bar does go up and down, however, it doesn't affect my calls, I have yet to get any drop calls, I think if you do experience bars going down, you should also try making calls during that time to see if your call can get through or not. if it does gets through, it is merely a minor bug.
06-24-2010 04:47:35 AM
There are several videos going around about signal loss when you touch the metal 'antenna' around the phone with your hand- some are saying the moisture in your hand grounds the antenna and changes the frequency the antenna was attenuated to, causing the signal to drop (or something like that- I am not very radio signal savvy).
The solution seems to be to buy the $30 'bumper' case that Apple is selling... or don't touch the metal on the iPhone 4.
06-24-2010 02:44:31 AM - edited 06-24-2010 02:52:40 AM
This could be AT&T's lesson for sticking mainly, with only one device/ phone/ manufacturer and ignoring others:
And definitely, this will affect their sales! So, how about some new and decent HTC/ Android devices? Rethink the strategy?
06-24-2010 05:26:04 AM
Engadget is now reporting similar issues:
Appears to be when the phone is held in the left hand and both upper/lower metal on the left side is touched in unison? (i.e. if you are left handed, this is how it would be held)
06-24-2010 05:47:06 AM
Is Apple even listening or ATT? I too now have the same problem. Does anyone even know when this update is supposed to hit itunes. I along with millions of others can't have this. Especially when their phones are their business.
12-26-2012 06:38:24 AM
I have read many comments in many places that all mention something like "if you hold your iPhone like this, you block the antennae, and that effects your signal." But no one has said or demonstrated with a photo - do not put your hand here on your iPhone - this is where the antennae is. I don't always hold my iphone the same way when I'm moving or walking around, so I'm curious if my dropped calls are because of how I'm holding my iPhone. I have a 4S, but I had the same problem with the 3GS.