1 Exhibit 4(b) GRUPO IUSACELL CELULAR, S.A. de C.V. US$265,621,454 AMENDED AND RESTATED CREDIT AGREEMENTCredit Agreement • July 2nd, 2001 • Grupo Iusacell Celular Sa De Cv • New York
Contract Type FiledJuly 2nd, 2001 Company Jurisdiction
ARTICLE II AGREEMENT TO SELL AND PURCHASEPurchase and Sale Agreement • June 30th, 2004 • Grupo Iusacell Celular Sa De Cv • Radiotelephone communications
Contract Type FiledJune 30th, 2004 Company Industry
Translation)Joint Venture Agreement • June 30th, 2004 • Grupo Iusacell Celular Sa De Cv • Radiotelephone communications
Contract Type FiledJune 30th, 2004 Company Industry
ARTICLE I DEFINITIONSShareholders Agreement • July 2nd, 2001 • Grupo Iusacell Celular Sa De Cv • New York
Contract Type FiledJuly 2nd, 2001 Company Jurisdiction
ENGLISH VERSIONMaster Lease Agreement • June 30th, 2004 • Grupo Iusacell Celular Sa De Cv • Radiotelephone communications
Contract Type FiledJune 30th, 2004 Company Industry