[snipppppppp of an eralier discussion]
While cellcos earlier may have, at their option, used or abused, ignored or rang bells, folded, spindled, or mutilated the IMEI from the cellphones, they're now most assuredly going to utilize them in a real-time data base.
Exceprting from a WSJ article a few months ago: [wsj]
The nation's major wireless providers have agreed to a deal with the U.S. government to build a central database of stolen cellphones - part of a broad effort to tame an explosion of thefts nationwide. .... According to an FCC official, the SIM-card problem [a] will likely be solved by the carriers' making an additional check to ensure that the devices themselves are authorized to work on the network, not just the SIM card. .... Similar stolen-phone databases are already in use abroad, including in the U.K., Germany, France and Australia ------------ rest:
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[a] the "problem" is that in systems that use SIM cards, prior to this list you could put a new SIM in a stolen phone and it would work.