The number of SK Telecom subscribers who have replaced their USIM cards due to the hacking incident has approached 6 million.
A citizen is installing the Ministry of the Interior and Safety's 'Mobile ID' application. Photo by Yonhap News
According to SK Telecom, as of midnight on June 3, the cumulative number of customers who have replaced their USIM cards stood at 5.89 million. There are 3.34 million subscribers still waiting to have their USIM cards replaced.
Meanwhile, the telecommunications industry has advised that on the day of the 21st presidential election, subscribers who have replaced their USIM cards should exercise caution when verifying their identity using a mobile ID.
The mobile ID issued by the government to individual smartphones stores information on the device itself, so it can be used as is, regardless of whether the USIM card has been replaced.
In contrast, mobile IDs registered with the 'PASS app' of the three major telecom companies may require re-registration depending on the smartphone device. iPhone users need to re-register the PASS app, certificate, and ID, while Android users need to re-register their ID.
If a USIM reset has been performed, which changes the information stored on the USIM card, there is no need to re-register the ID or related information.
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