Document:

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                                                                  EXHIBIT 10.1.2

                                  ADDENDUM IV
                                       TO
                        SPRINT PCS MANAGEMENT AGREEMENT

Manager:         AirGate PCS, Inc. (formerly AirGate Wireless, Inc.)
Service Area:    Anderson, SC BTA
                 Asheville-Henderson, NC BTA
                 Augusta, GA BTA
                 Charleston, SC BTA
                 Columbia, SC BTA
                 Florence, SC BTA
                 Goldsboro-Kinston, NC BTA
                 Greenville-Washington, NC BTA
                 Greenville-Spartanburg, SC BTA
                 Greenwood, SC BTA
                 Hickory-Lenoir-Morgantown, NC BTA
                 Jacksonville, NC BTA
                 Myrtle Beach, SC BTA
                 New Bern, NC
                 Orangeburg, SC BTA
                 Roanoke Rapids, NC BTA
                 Rocky Mount-Wilson, NC BTA
                 Savannah, GA BTA
                 Sumter, SC BTA
                 Wilmington, NC BTA
                 Camden County, NC
                 Currituck County, NC
                 Dare County, NC
                 Pasquotank County, NC

     This Addendum IV (this "Addendum") dated as of August 26, 1999, contains
certain additional and supplemental terms and provisions to that certain Sprint
PCS Management Agreement entered into as of July 22, 1998 by the same parties as
this Addendum, which Management Agreement was further amended by Addendum I
entered into as of July 22, 1998, and further amended by Addendum II entered
into as of May 24, 1999, and Addendum III entered into as of August 2, 1999 (the
Management Agreement as amended by Addenda I, II, and III being the "Management
Agreement").  The terms and provisions of this Addendum control, supersede and
amend any conflicting terms and provisions contained in the Management
Agreement.  Except for express modification made by this Addendum the Management
Agreement continues in full force and effect.

     Capitalized terms used and not otherwise defined in this Addendum have the
meanings ascribed to them in the Management Agreement. Section and Exhibit
references are to Sections of, and Exhibits to, the Management Agreement, unless
otherwise noted.
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     1.   Revised Financing Plan.  Exhibit 1.7 to this Addendum supersedes and
          replaces in its entirety Exhibit 1.7 attached to the Management
          Agreement and Addenda II and III.

     2.   Sale of Operating Assets or Licenses.  Section 5 of Addendum III is
          deleted in its entirety and replaced with the following language:
          "Manager agrees that in the event any Related Party of Manager obtains
          any Operating Assets or any FCC license that allows Manager to provide
          personal communication services utilizing the Service Area Network,
          Manager will execute an agreement with such Related Party that
          provides that such Related Party will sell such Operating Assets and
          such licenses as required under the Management Agreement, the Lucent
          Consent and Agreement, a foreclosure sale or a bankruptcy proceeding
          as if such Related Party were the Manager."

           (The remainder of this page was intentionally left blank.]
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                             EXHIBIT 1.7 (Amended)
                             Amended Financing Plan

     Manager intends to finance the build out of the Service Area Network and to
provide the necessary working capital to operate the business through a
combination of equity, high-yield debt and bank debt.  Manager estimates that it
will raise in the range of $300 Million to $400 Million to fund its ten year
business operations in the Service Area.  Manager currently is funded through
equity contributions and commitments from Weiss Peck & Greer PCS Partners, Inc.
and JAFCO America Ventures. Inc, and Maxicom PCS. L.L.C., bank loans from
Silicon Valley Bank and NationsBank and vendor financing from Lucent
Technologies Inc.

     Manager has filed a registration statement with the Securities and Exchange
Commission to complete the equity and high yield debt placements and has
obtained a credit facility from Lucent Technologies Inc.  Manager anticipates
financing its operations in the Service Area through the following sources and
in the following net proceeds:

     Equity                            Approximately $80-100 Million
     High Yield Debt                   Approximately $100- 150 Million
     Committed Vendor Facility         Approximately $130-150 Million

These projected funding amounts and the sources are subject to change due to the
financial needs of the Manager and based on conditions in the financial markets.

     Manager agrees to have financing in a sufficient amount to complete each
phase of the Build Out Plan and to provide the necessary working capital to
operate the business by the following time frames.  Such financing is currently
estimated to be committed in the following amounts:

         Time Frame          Financing Amount
         ----------          ----------------
         12/31/1998           $ 19.8 Million
         10/15/1999           $ 180 Million
         4/l/2000             $ 150 Million

In addition, these amounts are subject to change based on actual network and
operational costs associated with each phase of the Build Out Plan.
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     IN WITNESS WHEREOF, the parties hereto have caused this Addendum IV to be
executed by their respective authorized officers as of the date and year first
above written.

                         SPRINT SPECTRUM L.P.

                         By:_________________________________________________
                            Bernard A. Bianchino,
                            Senior Vice President and Chief-Business Development
                            Officer - Sprint PCS

                         SPRINTCOM, INC.

                         By:_________________________________________________
                            Bernard A. Bianchino,
                            Senior Vice President and Chief-Business Development
                            Officer - Sprint PCS

                         SPRINT COMMUNICATIONS COMPANY, L.P.

                         By:_________________________________________________
                            Thomas E. Wieigman,
                            Senior Vice President, Consumer Market Strategy and
                            Communications

                         AIRGATE PCS, INC.

                         By:_________________________________________________
                            Shelley L. Spencer
                            Vice President of Law<PAGE>

                                                                  Exhibit 10.1.3

                                  ADDENDUM V
                                      TO
                        SPRINT PCS MANAGEMENT AGREEMENT

Manager:         AirGate PCS, Inc. (formerly AirGate Wireless, Inc.)

Service Area:    Anderson, SC BTA
                 Asheville-Henderson, NC BTA
                 Augusta, GA BTA
                 Charleston, SC BTA
                 Columbia, SC BTA
                 Florence, SC BTA
                 Goldsboro-Kinston, NC BTA
                 Greenville-Washington, NC BTA
                 Greenville-Spartanburg, SC BTA
                 Greenwood, SC BTA
                 Hickory-Lenoir-Morgantown, NC BTA
                 Jacksonville, NC BTA
                 Myrtle Beach, SC BTA
                 New Bern, NC
                 Orangeburg, SC BTA
                 Roanoke Rapids, NC BTA
                 Rocky Mount-Wilson, NC BTA
                 Savannah, GA BTA
                 Sumter, SC BTA
                 Wilmington, NC BTA
                 Camden County, NC
                 Currituck County, NC
                 Dare County, NC
                 Pasquotank County, NC

     This Addendum V (this "Addendum") dated as of May ____, 2000, contains
certain additional and supplemental terms and provisions to that certain Sprint
PCS Management Agreement entered into as of July 22, 1998 by the same parties as
this Addendum, which Management Agreement was further amended by Addendum I
entered into as of July 22, 1998, and further amended by Addendum I entered into
as of May 24, 1999, Addendum III entered into as of August 2, 1999 and Addendum
IV entered into as of August 26, 1999 (the Management Agreement as amended by
Addenda I, II, III and IV being the "Management Agreement"). The terms and
provisions of this Addendum control, supersede and amend any conflicting terms
and provisions contained in the Management Agreement. Except for express
modification made by this Addendum the Management Agreement continues in full
force and effect.

     Capitalized terms used and not otherwise defined in this Addendum have the
meanings ascribed to them in the Management Agreement. Section and Exhibit
<PAGE>

references are to Sections of, and Exhibits to, the Management Agreement, unless
otherwise noted.

     1.   Expedite Fees.  If Sprint PCS and Manager agree to pay additional fees
to a third part), for any efforts associated with expediting completion of any
portion of Manager's Build Out Plan or Switch Integration to meet a Network
Ready Date (the "NRD") including, but not limited to, payment of expedited fees
for microwave relocation; and the NRD is later extended due to Manager action or
lack of action, then Manager will have full responsibility for the payment of
such fees.

     2.   Long-Distance Pricing.  (a) The first sentence of Section 3.4 is
deleted in its entirety and replaced by the following language:

     Manager must purchase long-distance telephony services from Sprint
     through Sprint PCS both (i) to provide long-distance telephony
     service to users of the Sprint PCS Network and (ii) to connect the
     Service Area. Network with the national platforms used by Sprint
     PCS to provide services to Manager under the agreement and/or the
     Services Agreement. Sprint will bill Sprint PCS for such services
     rendered to Sprint PCS. Manager and all Other Managers, and in turn,
     Sprint PCS will bill Manager for the services used by Manager,
     Manager will be charged the same price for such long-distance service
     as Sprint PCS is charged by Sprint (excluding interservice area
     long-distance travel rates) plus an additional administrative fee
     to cover Sprint PCS processing costs.

     (b)  The following sentence is added as a second paragraph in Section 3.4:
"Manager may not resell the long-distance telephony services acquired from
Sprint under this Section 3.4."

     3.   Right of Last Offer. Section 3.7 is modified by adding the following
language: "(other than backhaul services relating to national platform and IT
application connections which Manager must purchase from Sprint)" both between
(i) "Service Area Network" and "if Manager decides to use' in the first sentence
of the first paragraph and (ii) "for these services" and "and the agreement was
not made" in the first sentence of the second paragraph.

     4.   Non-termination of Agreement. The following language is added at the
end of Section 11.5.3 and Section 11.6.4: "but such action does not terminate
this agreement."

     5.   Amendments to Sections 13 through 16 of Management Agreement.  If, on
or before June 30, 2000, Manager achieves network ready status of the Service
Area Network and meets the covered pops requirement, as stated in Exhibit 2.1 to
                                                                  -----------
the Management Agreement, in all of the markets in the Service Area other than
the markets listed below and the New Service Area (such markets targeted for
June 30, 2000 network

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ready status being referred to as the "June 30 Markets"), then Sections 13, 14,
15 and 16 of Addendum I to the Management Agreement and any references thereto
in subsequent Addenda shall be deemed terminated and deleted from all Addenda to
the Management Agreement and of no further force or effect. For purposes of this
section, the Service Area Network shall be as set forth in the original
Management Agreement and tile covered pops requirements shall be as set forth in
Exhibit 2.1 to Addendum II.
-----------

          Greenwood, SC BTA
          New Bern, SC BTA
          Camden County, NC
          Currituck County, NC
          Dare County, NC
          Pasquotank County, NC

     If Manager does not achieve network ready status and meet covered pops
requirements in all of tile June 30 Markets by June 30, 2000, then Sections 13,
14, 15 and 16 of Addenda I to the Management Agreement and any references
thereto in subsequent Addenda will remain in full force and effect until the
date on which all of the June 30 Markets have achieved network ready status and
met the covered pops requirements, at which time each of such sections shall be
deemed terminated and deleted from all Addenda to tile Management Agreement and
of no further force or effect.

     6.   Stock as Collateral. The restrictions in the Management Agreement
against the Principals pledging their shares of AirGate PCS, Inc. common stock
as collateral terminate on the date of this Addendum.

     7.   Announced Transactions. Section 17.23 of the Management Agreement is
deleted in its entirely,

     8.   Additional Terms and Provisions. The phrase "the Addendum also
describes" is deleted from the second sentence of Section 17.24 of the
Management Agreement, and the following language is inserted at the end of that
second sentence "have been disclosed verbally or in writing to Sprint PCS, and
photocopies of any such written agreements will be delivered to Sprint PCS upon
its request".

     9.   Payment of Fees Under Services Agreement. The second sentence of
Section 3.1 of the Services Agreement is deleted in its entirely and replaced by
the following two sentences:

     Except with respect to fees paid for billing-related services, the
     monthly charge for any fees based on the number of subscribers of the
     Service Area Network will be determined based on the number of
     subscribers as of the 15th day of thc month for which the charge is
     being calculated.  With respect to fees paid for billing-related
     services, the monthly charge for any fees based on the number of
     subscribers will be based on the number of

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     gross activations in the month for which the charge is being
     calculated plus the number of subscribers of the Service Area Network
     on the last day of the prior calendar month,

     IN WITNESS WHEREOF, the parties hereto have caused this Addendum V to be
executed by their respective authorized officers as of the date and year first
above written.

                         SPRINT SPECTRUM L.P.

                         By:   /s/
                             ------------------------------------------------
                              Bernard A. Bianchino,
                              Senior Vice President and Chief-Business
                              Development Officer - Sprint PCS

                         SPRINT COMMUNICATIONS
                         COMPANY, L.P.

                         By:   /s/
                             ------------------------------------------------
                              Don A. Jensen,
                              Vice President - Law

                         AIRGATE PCS, INC.

                         By:   /s/
                             -----------------------------------------------
                              Thomas M. Dougherty,
                              President and CEO

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