As filed with the Securities and Exchange Commission on February 22, 2008

                                                  Registration No. 333-143497
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                         POST-EFFECTIVE AMENDMENT NO. 1
                                       TO
                                    FORM S-3
                             REGISTRATION STATEMENT

                                      UNDER
                           THE SECURITIES ACT OF 1933


                         SunCom Wireless Holdings, Inc.
             (Exact name of registrant as specified in its charter)


         Delaware                                       23-2974475
(State or other jurisdiction                  (I.R.S. employer identification
      of incorporation)                                     No.)


                                1100 Cassatt Road
                           Berwyn, Pennsylvania 19312
          (Address of principal executive offices, including zip code)

                                 (610) 651-5900
              (Registrant's telephone number, including area code)

                                  Eric Haskell
                         SunCom Wireless Holdings, Inc.
              Executive Vice President and Chief Financial Officer
                                1100 Cassatt Road
                           Berwyn, Pennsylvania 19312
                                 (610) 651-5900
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)

                                 With a copy to:

                                 Thomas D. Twedt
                                 Dow Lohnes PLLC
                          1200 New Hampshire Avenue, NW
                             Washington, D.C. 20036
                                 (202) 776-2000

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                           TERMINATION OF REGISTRATION

    This post-effective amendment deregisters all shares of our Class A common
stock, par value $0.01 per share, registered for resale under our registration
statement on Form S-3 (File No. 333-143497) that remain unsold.



                                    SIGNATURE

    Pursuant to the requirements of the Securities Act, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized in the City of Berwyn, Commonwealth of Pennsylvania on this
22nd day of February, 2008.


                                  SUNCOM WIRELESS HOLDINGS, INC.


                                  By: /s/ Michael E. Kalogris
                                      --------------------------------------
                                      Michael E. Kalogris
                                      Chief Executive Officer
                                      (principal executive officer)


    Pursuant to the requirements of the Securities Act, this Registration
Statement is to be signed by the following persons in the capacities and on the
dates indicated.



                                                                                                 

              Signature                                         Capacity                                  Date


        /s/ Michael E. Kalogris                    Chairman and Chief Executive Officer              February 22, 2008
-------------------------------------
            Michael E. Kalogris

        /s/ Eric Haskell                   Executive Vice President and Chief Financial Officer      February 22, 2008
-------------------------------------                   (principal financial officer)
            Eric Haskell

        /s/ Harry Roessner                            Vice President and Controller                  February 22, 2008
-------------------------------------                 (principal accounting officer)
            Harry Roessner

        /s/ Scott I. Anderson                                    Director                            February 22, 2008
-------------------------------------
            Scott I. Anderson

        /s/ Niles K. Chura                                       Director                            February 22, 2008
-------------------------------------
            Niles K. Chura

        /s/ Pat Daughtery                                        Director                            February 22, 2008
-------------------------------------
            Pat Daughtery

        /s/ Jerry V. Elliott                                     Director                            February 22, 2008
-------------------------------------
            Jerry V. Elliott

        /s/ Edward Evans                                         Director                            February 22, 2008
-------------------------------------
            Edward Evans

        /s/ Gustavo A. Prilick                                   Director                            February 22, 2008
-------------------------------------
            Gustavo A. Prilick

        /s/ Karim Samii                                          Director                            February 22, 2008
-------------------------------------
            Karim Samii

        /s/ Joe Thornton                                         Director                            February 22, 2008
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            Joe Thornton

        /s/ James Volk                                           Director                            February 22, 2008
-------------------------------------
            James Volk