SEOUL, July 1 (Yonhap) — More than 660,000 people switched their mobile carriers to a different company in June, with LG Uplus Corp. attracting the most users, two months after a major data breach hit industry leader SK Telecom Co., data showed Tuesday.
According to data from the Korea Telecommunications Operators Association, a total of 666,618 mobile number portability (MNP) transfers were recorded last month, down 42 percent from 920,000 a month earlier.
Despite the on-month decline, the June figure remains well above the pre-breach monthly average of around 500,000 prior to April, when a cyberattack on SK Telecom’s servers was revealed and triggered a wave of subscriber departures.
LG Uplus, South Korea’s No. 3 carrier, gained 87,000 people from SK Telecom in June, while No. 2 player KT Corp. drew 82,000 former SK Telecom users.
In May, KT had led the shift with about 200,000 MNP transfers from SK Telecom, ahead of LG Uplus with 160,000.
In contrast, SK Telecom, which resumed new subscription services last month after a two-month ban, received 32,000 transfers from KT and 38,000 from LG Uplus in June.
A retail store of SK Telecom Co. is seen in this photo taken June 24, 2025. (Yonhap)
brk@yna.co.kr
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