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" ...

SK Telecom said Tuesday that it will introduce a “USIM format” solution by mid-May to address the difficulties it faces in replacing subscriber SIM cards for free. The company said in a press release ...

Amendments to Mobile Number Portability (MNP) regulations to check SIM swap and replacement fraudulent activities will come into force from July 1, The telecom regulatory body Telecom Regulatory ...