IPhone loses signal for several minutes?
I had AT&T before I got my iPhone and I know of certain areas around my neighborhood where the signal is weak. My old phone would sometimes drop a call in those areas, but seconds later, the signal meter would start to refill as I drove into a stronger signal area. With my iPhone, it completely loses the signal and displays "No Service" in the upper left of the screen. However, even as I pass into an area that I know has a better signal, it will stay on "No Service" for about 2-4 minutes before it finally finds the signal again! Anyone else notice this?
More information on my reception problems. I am now absolutely convinced that it is a either a tower problem or a SIM problem - AT&T problem not strictly iPhone. I spent several hours today swapping SIM cards around between the iPhone, Nokia N95 and Nokia E61. In all cases I did the testing in exactly the same location within our house. Here are the results:
iPhone: Signal strength varies from No Service to full bars at this single location in a random, completely unpredictable way. While on a call signal strength was 4 bars and during the conversation dropped to No Service and call dropped. Later my wife called and was sent immediately to voice mail. She then called me on the landline and I checked the signal and it showed No Service. When it goes to No Service it sometimes takes a few minutes to re-acquire just like others have reported here.
N95 with iPhone SIM card: Signal strength varies from one bar to full bars in a random, completely unpredictable way. But never actually lost service. I tried several Edge data connections and while slow when signal was low none failed. I do not remember seeing this random fluctuation in signal on the N95 before with my old (pre iPhone) Cingular SIM card but perhaps it was there and since it was still usable I just didn't notice.
E61 with iPhone SIM card: Pretty much the same behavior as N95 except no full bar signal strength showed. Completely usable.
I realize that the iPhone will probably never get as good reception as the Nokias but I think if it would quit the signal strength variation or tower hopping or what ever it is doing it would be usable at even 1-3 bars if the signal remained steady.
As another point of information in case Cingular and T-Mobile are sharing towers at my location, I returned my T-Mobile SIM card to my N95 and tested it in the same location as before and it showed a consistent full bars with no variation and perfect operation.
Unless something good happens to solve this problem soon, I think that when I find a reliable method or service that will unlock the iPhone I am going to do it and go with T-Mobile. AT&T is not ready for dependable operation at my location with the iPhone.
Frank
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