Getting 2g Cellphones to Work

submitted by tiny-brown-mug from self.technology

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[–]tiny-brown-mug[S] 0 insightful - 2 fun0 insightful - 1 fun1 insightful - 2 fun -  (0 children)

So, help me understand this. They say that these lower generations have been shut down. But then, when the signal is poor, it can sometimes still dip down to 2g or even 1x to allow for some limited communication. How is this possible if the signal is completely nonexistent? Or am I missing something?