If sim card cloned, can we use it in real world? -

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is sim card, comp128 v1 , version can cloned? in real network operator can use , have 2 sim card?

the answer yes , no, depending mean 2 sim cards.

if have 2 identical sim cards identified same imsi , ki (key). 1 work @ time.

if use sim1 in device authenticate network , receive called tmsi (temporary mobile subscriber identity). network on address subscriber tmsi.

if start sim2 authentication happen , network associate new tmsi.

any sms or call re routed last "authenticated" sim. authentication retrigged bootup, location change etc.


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