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They will do anything to make you spend more money instead of using the current technology.
odd part sim is technology from the 70's we do not have them in Washington state at all anymore... the sim is technology from Nextel the old brick phones with walkie talkie last one to have them here was like early 80's
 
20170717_201037.jpg They are growing like crazy!
 
odd part sim is technology from the 70's we do not have them in Washington state at all anymore... the sim is technology from Nextel the old brick phones with walkie talkie last one to have them here was like early 80's
I think you are thinking about SIMM--Singlen Inline Memory Module. Those are PC Memory cards. Computers now use DIMMS with the D standing for Dual.

More details:

In the world of mobile phones, there are two primary phone types that are available to consumers: GSM (Global System for Mobile) and CDMA (Code Division Multiple Access). GSM phones are the ones that utilize SIM cards while CDMA phones do not.

SIM cards are the small cards which contains a chip that must be inserted into GSM phones before they will work. Without a SIM card, a GSM phone won’t be able to tap into any mobile network. The card is what holds all of the critical information.

For comparison sake, CDMA carriers keep a list of all phones that are allowed to use their network. Phones are tracked by their ESN (electronic serial number) so they do not require SIM cards. Once activated, a CDMA phone is tied directly to that particular carrier’s network.

These particular phones on Sprint use SIM cards based on model so I had to get one.
 

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