Standard mobile procedure: it 'hunts' for a signal, even upping the output where there's poor reception. That explain why phones often run hot when there's poor or no signal and quite cool when there's a strong signal. The problem with the iPhone is that it doesn't handle network handoffs (from 2G to 3G and vice versa) particularly well, only switching after a complete absence of signal.
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alex.csar @ Aug 18th 2008 8:25PM
Standard mobile procedure: it 'hunts' for a signal, even upping the output where there's poor reception. That explain why phones often run hot when there's poor or no signal and quite cool when there's a strong signal. The problem with the iPhone is that it doesn't handle network handoffs (from 2G to 3G and vice versa) particularly well, only switching after a complete absence of signal.