Table of Contents As filed with the Securities and Exchange Commission on April 28, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 20-F Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2020 Commission file number: 1-16269 AMÉRICA MÓVIL, S.A.B. DE C.V. (exact name of registrant as specified in its charter) America Mobile (translation of registrant's name into English) United Mexican States (jurisdictio ...