SEOUL, April 28 (Yonhap) -- SK Telecom Co. on Monday began offering free universal subscriber identity module (USIM) chip replacements to all of its customers following a recent network hacking ...
The Chosun Ilbo on MSN
KT loses 50,000 customers, 60% to SK Telecom
The number of customers who left KT from December 31 of last year to the 3rd, spanning four days, exceeded 50,000. KT, which ...
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