My friends have telus and they said they dont have SIM cards... i just wanna kno why?
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My friends have telus and they said they dont have SIM cards... i just wanna kno why?
Telus uses CDMA technology which means the phone has an electronic serial number (ESN) that the system picks up when you make or receive a call. Therefore, no sim card is required.
I used AT&T mobile phone in the USA that used the CDMA technology and it had a sim card. So is Telus choosing to not have sim cards in order to prevent the use of unlocked phones?
I always thought that AT&T was a gsm provider.
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