SKM SK Telecom Co Ltd

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF JANUARY 2020

Commission File Number: 333-04906

SK Telecom Co., Ltd.

(Translation of registrant’s name into English)

65 Euljiro, Jung-gu

Seoul 04539, Korea

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ☒             Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Amendment Regarding Decision on Acquisition of Shares of Tbroad Nowon

The information regarding the acquisition by SK Telecom Co., Ltd. (the “Company”) of shares of Tbroad Nowon Broadcasting Co., Ltd. (“Tbroad Nowon”) set forth in the Form 6-K furnished by the Company on April 26, 2019 entitled “Decision on Acquisition of Shares of Tbroad Nowon,” as amended by the Form 6-K/A furnished by the Company on October 16, 2019 and the Form 6-K/A furnished by the Company on December 13, 2019, is further amended by replacing the item numbered “6. Acquisition Date,” which stated:

with the following:

2