Will an iphone 4 show signal strength and 3g if it is disconnected?

She said her phone was disconnected but it showed strong signal and 3g

IPhone4 still suffers from the antenna design flaw. If you hold it a certain way (or simply use a penny to connect both ends of the antenna) the cell signal will drop 2-3 bars. If your at 2 bars, then it will defiantly disconnect the call. This flaw affects only voice and text, it should not affect data like 3G.

Go to youtube and search for iphone4 antenna flaw and see for yourself.

No it shouldn't do that. Both would come from the carrier & if that has been disconnected then it wouldn't work or show up.

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