ETSI has standardized a new form factor (4FF) for the SIM card, 40% smaller than the current smallest design. At its 55th meeting held on 31 May and 1 June 2012 in Osaka, Japan, ETSI’s Smart Card ...
SK Telecom, which is currently implementing a free SIM card replacement service as a countermeasure against subscriber information hacking, announced on the 29th that it will apply a "SIM card format" ...
On April 29, SK Telecom announced that it would implement a "SIM format" method, which changes the SIM card software, to achieve the same effect as physically replacing the SIM card without actually ...
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