[Q] Loss of signal in a crowd

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I read something a week ago about someone losing all signal and not being able to call or text in a large crowd. Well it happened to me yesterday in a department store. I couldn't find my 13 year old daughter so I was trying to text and call and nothing would go through, even though I had 3 bars and 3G. I looked around and there was a lot of people and quite a few of them were on their phones in one form or another. This is very disheartening if in fact it is a serious hardware or software defect of the Vibrant.

Has this happened to anyone else?

Its happened to me before

I was at a huge music fest and got separated from my friends

The reason it happens is cause the air waves get over cluttered with wireless signals and it masks other signals

Your phone will show that it has full signal but when it tries to send data or call it needs to cut through that blanket of signal

Sent from my SGH-T959

Yep. Same problem with different phone, I was at a concert and there were a TON of people on there phones many having the same issue. You could see them holding to there ear then looking at the screen then back again.
The only time this happened to me it was a huge crowd-like 40k people but it was outside. I would think a store with a couple dozen shouldn't be a problem but maybe if you were indoors....?