NII Holdings Announces Offer To Repurchase 4.25% Convertible Senior Notes Due 2023 PR Newswire RESTON, Va., Dec. 18, 2019 RESTON, Va. , Dec. 18, 2019 /PRNewswire/ -- NII Holdings , Inc. ("NII") [NASDAQ: NIHD] today separately announced the completion of the sale of its wireless operations in Brazil (the "Sale") in accordance with the terms of the purchase agreement, dated March 18, 2019 , by and among América Móvil, S.A.B. de C.V., NII International Holdings S.à r.l., AI Brazil Holdings B.V....