Document:

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                                                                    EXHIBIT 4.49

                          BUSINESS OPERATIONS AGREEMENT

This Business Operations Agreement (this "Agreement"), dated February 28, 2005
is entered into at Beijing by and among the following parties:

Party A:              KongZhong Information Technologies (Beijing) Co., Ltd.
Address:              Tengda Plaze, No.168 Xiwai Street, Haidian District,
                      Beijing
Legal Representative: Zhou Yunfan

Party B:              Beijing Wireless Interactive Network Technologies Co.,
                      Ltd.
Address:              E190, Jianli Hotel, No.B21 Jiu Xian Qiao Road, Chaoyang
                      District, Beijing
Legal Representative: Yang Yang

Party C:              Yang Yang
Address:              407, No. 397 Guang An Men Wai Avenue, Xuanwu District,
                      Beijing

Party D:              Wang Guijun
Address:              A17, An De Li North Street, Dongcheng District, Beijing

Party E:              Wu Linguang
Address:              159-204, No.3 Fei Xi Road, Shushan District, Hefei

WHEREAS:

1.   Party A is a wholly foreign-owned enterprise incorporated in the People's
     Republic of China (the "PRC");

2.   Party B, a wholly domestic-owned company with limited liabilities
     incorporated in the PRC, is approved by relevant government authorities to
     hold the business permit to engage in value-added telecommunications
     services;

3.   A business relationship has been established between Party A and Party B by
     entering into Exclusive Technical Consulting and Services Agreement, under
     which Party B shall pay all incomes from main business operations to Party
     A, and subsequently the daily operation of Party B will have a material
     impact on its capacity to make payments to Party A.;

4.   Party C, Party D and Party E are all shareholders of Party B (the
     "Shareholders of Party B"), which own 40%, 30% and 30% equity in Party B
     respectively.

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Party A, Party B, Party C, Party D and Party E, through friendly negotiation in
the principle of equality and common interest, hereby jointly agree the
following:

1.   NON-ACTION OBLIGATION

     In order to ensure Party B's performance of the agreements between Party A
     and Party B and all its obligations to Party A, the Shareholders of Party B
     hereby confirm and agree that, unless a prior written consent from Party A
     has been obtained, Party B will not conduct any transaction which, as
     determined by Party A, may materially affect its assets, obligations,
     rights, employees or the company's operation has been obtained, including
     but not limited to:

1.1  To conduct any business which is beyond normal business operations;

1.2  To borrow money or incur any debt from any third party;

1.3  To change or dismiss any directors or to replace any senior management
     officers;

1.4  To sell to or acquire from any third party any assets or rights exceeding
     RMB 200,000, including but not limited to any intellectual property rights;

1.5  To provide guarantee for any third party with its assets or intellectual
     property rights or to provide any other guarantee or to set any other
     rights against its assets;

1.6  To amend the Articles of Association of the company or to change its scope
     of business;

1.7  To change the normal business process or modify any material bylaws;

1.8  To assign rights and obligations under this Agreement to any third party.

2.   MANAGEMENT OF OPERATION AND ARRANGEMENTS OF HR

2.1  Party B together with the Shareholders of Party B hereby jointly agree to
     accept and strictly enforce the proposals in respect of the employment and
     dismissal of its employees, the daily business management and financial
     management, etc., provided by Party A from time to time.

2.2  Party B together with the Shareholders of Party B hereby jointly agree that
     the Shareholders of Party B shall only appoint candidates designated by
     Party A as the directors of Party B in accordance with the procedures
     regulated by laws and regulations and the Article of Association of the
     company, and ensure the chosen directors to elect the candidate recommended
     by Party A as President of Party B, and Party B shall appoint the
     candidates designated by Party A as Party B's General Manager, Chief

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     Financial Officer, and other senior officers.

2.3  If any of the above directors or officers quits or is dismissed by Party A,
     he or she will lose the qualification to undertake any positions in Party B
     and therefore the Shareholders of Party B shall appoint other nominees of
     Party A to assume such positions.

2.4  For the purpose of 2.3, the Shareholders of Party B shall take all
     necessary inside and outside procedures in accordance with the applicable
     law, Articles of Association of the Company and this Agreement to
     accomplish the above dismissal and engagement.

2.5  The Shareholders of Party B hereby agree, simultaneously with the execution
     of this Agreement, to sign Powers of Attorneys, pursuant to which the
     Shareholders of Party B will authorize personnel designated by Party A to
     exercise their shareholders' rights and their full voting rights as
     shareholders at Party B's shareholders' meetings. The Shareholders of Party
     B further agree to replace the authorized persons appointed in the above
     mentioned Power of Attorney at any time at the request of Party A.

3.   OTHER AGREEMENTS

3.1  In the event that any of the agreements between Party A and Party B
     terminates or expires, Party A is entitled to terminate all agreements
     between Party A and Party B including but not limited to the Exclusive
     Technical and Consulting Services Agreement.

3.2  Whereas the business relationship between Party A and Party B has been
     establishes through the Exclusive Technical Consulting and Services
     Agreement and other agreements, the daily business operations of Party B
     will have a material impact on its capacity to make the relevant payments
     to Party A. The Shareholders of Party B jointly agree that they will
     immediately and unconditionally pay or transfer to Party A any bonus,
     dividends or any other incomes or benefits (regardless of the forms)
     obtained from Party B as shareholders of Party B at the time such payables
     occur.

4.   ENTIRE AGREEMENT AND MODIFICATIONS

4.1  This Agreement together with all the other agreements and/or documents
     mentioned or explicitly included in this Agreement constitute the entire
     agreement concluded by the parties in respect of the matters in this
     Agreement and shall supersede all other prior oral and written agreements,
     contracts, understandings and communications among all the parties
     involving this matters.

4.2  Any amendment and supplement to this Agreement shall take effect only after
     it is executed by all Parties. The amendment and supplement duly executed
     shall be part of this Agreement and shall have the same legal effect as
     this Agreement.

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5.   GOVERNING LAW

     The execution, effect and performance of this Agreement and the resolution
     of disputes in respect of this Agreement shall be governed by and construed
     in accordance with the PRC laws.

6.   DISPUTE RESOLUTION

6.1  The parties shall strive to settle any dispute arising from the
     interpretation or performance of this Agreement through negotiation in good
     faith. In case no settlement can be reached through consultation, each
     party can submit such matter to China International Economic and Trade
     Arbitration Commission ("CIETAC") for arbitration in accordance with the
     current rules of CIETAC. The arbitration proceedings shall take place in
     Beijing and shall be conducted in Chinese. The arbitration award shall be
     final and binding upon all parties.

6.2  Each Party shall continue to perform its obligations in good faith
     according to the provisions of this Agreement except for the matters in
     dispute.

7.   NOTICE

7.1  Notices for the purpose of exercising the rights and performing the
     obligations hereunder shall be in writing and be delivered by personal
     delivery, registered or mail or postage prepaid mail, recognized courier
     service or by facsimile transmission to the address of the relevant party
     or parties set forth below.

     PARTY A:   KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.
     Address:   Tengda Plaze, No.168 Xiwai Street, Haidian District, Beijing
     Fax:       +86 10 88575900
     Tele:      +86 10 88576000
     Addressee: Zhou Yunfang

     PARTY B:   BEIJING WIRELESS INTERACTIVE NETWORK TECHNOLOGIES CO., LTD.
     Address:   E190, Jianli Hotel, No.B21Jiu Xian Qiao Road, Chaoyang District,
                Beijing
     Fax:       +86 10 88575900
     Tele:      +86 10 88576000
     Addressee: Yang Yang

     PARTY C:   YANG YANG
     Address:   407, No. 397 Guang An Men Wai Avenue, Xuanwu District, Beijing
     Fax:       +86 10 88575900

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     Tele:      +86 10 88576000

     PARTY D:   WANG GUIJUN
     Address:   A17, An De Li North Street, Dongcheng District, Beijing
     Fax:       +86 10 88575900
     Tele:      +86 10 88576000

     PARTY E:   WU LINGUANG
     Address:   159-204, No.3 Fei Xi Road, Shushan District, Hefei
     Fax:       +86 10 88575900
     Tele:      +86 10 88576000

8.   EFFECT, TERM AND OTHER ABOUT THIS AGREEMENT

8.1  Any written consent, suggestion, appointment or other decisions which have
     material effects on Party B's daily business operations involved in this
     Agreement shall be adopted by the board of directors of Party A.

8.2  This Agreement will take effect upon execution by duly authorized
     representatives of all parties and the term of this Agreement will last
     until Party A is dissolved according to the PRC laws.

8.3  Party B and the Shareholders of Party B shall not terminate this Agreement
     within the term of this Agreement while Party A is entitled to terminate
     this Agreement at any time by issuing a written notice to Party B and the
     Shareholders of Party B 30 days prior to the termination.

8.4  In case any term or provision of this Agreement is regarded as illegal or
     can not be performed in accordance with the applicable law, it shall be
     deemed to be deleted from this Agreement and be null and void, and this
     Agreement shall be treated as without it from the very beginning. However,
     the rest of the provisions will remain effective. The parties shall replace
     the deleted provisions with lawful, effective and mutually acceptable ones
     through negotiations.

8.5  Any non-exercise of any rights, powers or privileges hereunder shall not be
     deemed as a waiver thereof. Any single or partial exercise of such rights,
     powers or privileges shall not exclude one party from exercising any other
     rights, powers or privileges.

IN WITNESS WHEREOF the parties hereto have caused this Agreement to be duly
executed on their behalf by duly authorized representatives as of the Effective
Date first written above.

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PARTY A: KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.

Authorized Representative: _________________________

PARTY B: BEIJING WIRELESS INTERACTIVE NETWORK TECHNOLOGIES CO., LTD.

Authorized Representative: __________________________

PARTY C: YANG YANG

Signature:
           --------------------------

PARTY D: WANG GUIJUN

Signature:
           --------------------------

PARTY E: WU LINGUANG

Signature:
           --------------------------

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                                                                    EXHIBIT 4.50

                                OPTION AGREEMENT

THIS OPTION AGREEMENT (this "Agreement") is entered into by and among the
following parties (the "Parties") in Beijing, People's Republic of China (the
"PRC") on February 28, 2005:

PARTY A:              KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.
Address:              Tengda Plaze, No.168 Xiwai Street, Haidian District,
                      Beijing
Legal Representative: Zhou Yunfan

PARTY B:              YANG YANG
Address:              407, No. 397 Guang An Men Wai Avenue, Xuanwu District,
                      Beijing

PARTY C:              WANG GUIJUN
Address:              No. A17, An De Li North Street, Dongcheng District,
                      Beijing

PARTY D:              WU LINGUANG
Address:              159-204, No.3 Fei Xi Road, Shushan District, Hefei

PARTY E:              BEIJING WIRELESS INTERACTIVE NETWORK TECHNOLOGIES CO.,
                      LTD.
Address:              E190, Jianli Hotel, No.B21Jiu Xian Qiao Road, Chaoyang
                      District, Beijing
Legal Representative: Yang Yang

WHEREAS

1.   Party A is a wholly foreign-owned enterprise incorporated in the PRC.

2.   Party E is a limited liability company incorporated in the PRC with Party
     B, Party C and Party D as its shareholders and holds a license issued by
     relevant government authorities to hold the business permit to engage in
     telecommunications value-added services.

3.   Party B, Party C and Party D (the "Authorizing Parties" or the
     "Shareholders of Party E") are the shareholders of Party E and own 40%, 30%
     and 30% equity interest in Party E respectively. Party B,

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     Party C and Party D have signed Share Transfer Agreements with Party E's
     original shareholders consideration who transferred their respective equity
     interest in Party E on 17 February 2005. The consideration for the equity
     interest transfer was paid by Party A.

THE PARTIES HEREBY AGREE AS FOLLOWS:

1.   GRANT OF THE OPTION

1.1  Grant

     The Authorizing Parties hereby grant to Party A an option to purchase all
     their respective equity interest in Party E at the lower price between the
     lowest price permitted by PRC laws and the audited net asset value of Party
     E of the time when the option is exercised by Party A or its designated
     third party by installment or lump sum.

1.2  Term

     This Agreement shall take effect as of the date of execution by the parties
     hereto and shall remain in full force and effect until all of the equity
     interest held in Party E by Party e's Shareholders have been purchased by
     Party A subject to PRC laws.

2.   EXERCISE OF THE OPTION AND CLOSING

2.1  Timing of Exercise

     2.1.1 The Authorizing Parties agree unanimously that subject to PRC laws
          and regulations, Party A may exercise partly or fully the option
          anytime during the term of this Agreement.

     2.1.2 The Authorizing Parties agree unanimously that there is no limitation
          on the times for Party A to exercise the option, unless Party A has
          purchased all of the equity interest in Party E.

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     2.1.3 The Authorizing Parties agree unanimously that Party A may designate
          in its sole discretion any third party to exercise the option on its
          behalf, in which case Party A shall provide a prior written notice to
          the Authorizing Parties.

2.2  Presentation of the consideration from the exercise of the options

     The Authorizing Parties agree unanimously that Party A will present the
     consideration from the exercise of the options by Party A or its designated
     third party to Party E at no cost at all.

2.3  Transfer

     The Authorizing Parties agree unanimously that the option held by Party A
     under this Agreement may be transferred to a third party, which shall be
     deemed as a party to this Agreement and is entitled to exercise the option
     under terms of this Agreement, to enjoy the rights and assume the
     obligations of Party A under this Agreement.

2.4  Notice for the exercise of the Option

     To exercise the Option, Party A shall send a written notice to the
     Authorizing Parties 10 business days before the closing date (as defined
     below) and the followings shall be specified in the notice:

     2.4.1 The date of the effective closing of such purchase (a "Closing
          Date"), that is, the date on which an application is filed with the
          commercial and industrial administrative authorities for registration
          of the change in the equity interests;

     2.4.2 the name of the person in which the Equity Interest shall be
          registered;

     2.4.3 the amount of the Equity Interest to be purchased from the
          Authorizing Parties;

     2.4.4 means of payment; and

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     2.4.5 a power of attorney (applicable if a third party has been designated
          to exercise the Option)

     The Authorizing Parties hereto agree unanimously that Party A is entitled
     to designate a third party for the exercise of the Option at any time and
     select to register the Equity Interest in the name of a third party. The
     Authorizing Parties agree that as long as Party A or its designated third
     Party forward the request to exercise the Option, the Authorizing Parties
     shall execute the equity interest transfer agreement and other relevant
     documents in accordance with the notice and this Agreement within 10
     business days from the receipt of such notice.

2.5  Closing

     On the Closing Date, Party A shall pay to the relevant Authorizing Parties
     the applicable purchase price for the Equity Interest as provided in
     Article 1.1 above. Party A and the Authorizing Parties shall provide any
     necessary assistance to Party [E] with respect to the registration of any
     change in the equity interest with the commercial and industrial
     administrative authorities.

3.   REPRESENTATIONS AND WARRANTIES

3.1  The Authorizing Parties hereby represent and warrant as follows:

     3.1.1 They have the full right and authority to enter into and perform this
          Agreement;

     3.1.2 The performance of the obligations hereunder does not violate any
          applicable laws, regulations and contracts, or require any government
          authorization or approval;

     3.1.3 There is no lawsuit, arbitration or other legal or administrative
          proceedings pending which, based on their knowledge, may possibly have
          material and adverse effects on the performance of this Agreement;

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     3.1.4 The Authorizing Parties will not create any pledge, debt or other
          third party rights on the equity interest in Party E and will not
          dispose the same to any third party by transferring, granting,
          pledging or any other means.

     3.1.5 There is no pledge, debt or other third party right in any form on
          the equity interest in Party E held by the Authorizing Parties.

     3.1.6 The option granted to Party A shall be exclusive and the Authorizing
          Parties shall not grant any option or similar right to other parties
          in any way.

3.2  Undertaking

     Considering that Party A or its designated third party will present the
     consideration from the exercise of the option to Party E, Party E hereby
     undertakes to Party A that it will bear all costs arising from the equity
     interest transfer, carry out all the formalities needed for Party A or its
     designated third party to become the shareholders of Party E. Such
     formalities include, but not limited to, assisting Party A in obtaining
     necessary approvals for the equity interest transfer from relevant
     government authorities (if any), the submission of the equity interest
     transfer agreements to the relevant administrative authorities for industry
     and commerce in order to amend the Articles of Association and the list of
     shareholders and make any other necessary changes.

4.   TAXES

     All taxes arising from the performance of this Agreement will be paid by
     Party E.

5.   BREACH OF AGREEMENT

5.1  Unless otherwise provided by this Agreement, a party is deemed as in breach
     of this Agreement if it fails to fully perform or suspends the performance
     of its obligations under this Agreement, and does not correct its
     wrongdoings within 30 days upon receipt of the notice by the other party,
     or its representations and warranties are not truthful.

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5.2  If one party violates this Agreement or its representations and warranties
     in this Agreement, the abiding party may notify the default party in
     writing, requesting it to correct its wrongdoings within 10 days from the
     receipt of the notice, take corresponding measures to effectively and
     timely avoid the damages and to resume the performance of this Agreement.
     If there are damages, the default party shall compensate the abiding party,
     so that the abiding party shall obtain all the rights and interest as to be
     received from the performance of the Agreement.

5.3  If either party breaches this Agreement, which causes the other party to
     bear any expenses, liabilities or suffer any losses (including not limited
     to the profit losses of the company), the default party shall compensate
     the abiding party with respect to such expenses, liabilities or losses
     (including not limited to the interests lost or paid due to the breach and
     attorney fees). The amount of the compensation shall equal the losses
     caused by such breach. The compensation shall include the interests to be
     received by the abiding party from performance of this Agreement, but shall
     not exceed the reasonable expectations of the Parties.

5.4  In case all the Parties breach this Agreement, the amounts of compensation
     shall be determined in accordance with the severity of their respective
     breaches.

6.   GOVERNING LAW AND DISPUTE SETTLEMENT

6.1  Governing Laws

     This Agreement shall be governed by the PRC laws, including but not limited
     to the execution, performance, effect and interpretation of this Agreement.

6.2  Friendly Consultation

     The Parties shall settle any dispute regarding the interpretation or
     performance of this Agreement through friendly consultation or mediation by
     a third party. Any dispute that cannot be resolved through such
     consultation or mediation shall be submitted to the arbitration authority
     for arbitration within 30 days from the commencement of such discussions.

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6.3  Arbitration

     Any dispute in connection with this Agreement shall submitted to China
     International Trade Arbitration Committee for arbitration in accordance
     with its arbitration rules. The arbitration award shall be final and
     binding on all the Parties to this Agreement.

7    CONFIDENTIALITY

7.1  Confidential Information

     This Agreement and the Annexes hereof shall be kept confidential. No Party
     shall disclose any information on this Agreement to any third party (except
     for the part agreed upon by the Parties with a prior written agreement).
     Each Party's obligations under this clause shall survive after the
     termination of this Agreement.

7.2  Exceptions

     If a disclosure is explicitly required by law, any courts, arbitration
     tribunals, or administrative authorities, such a disclosure by any Party
     shall not be deemed as a violation of Article 7.1 above.

8.   MISCELLANEOUS

8.1  Entire agreement

     This Agreement constitutes the entire agreement and understanding among the
     Parties in respect of the subject matter hereof and supersedes all the
     prior discussions, negotiations and agreements among them. This Agreement
     shall only be amended by a written instrument signed by all the Parties.
     The Annexes attached hereto shall constitute an integral part of this
     Agreement and shall have the same legal effect as this Agreement.

8.2  Notices

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     Any notices or other correspondences among the Parties in connection with
     the performance of this Agreement shall be in writing and be delivered in
     person, by registered mail, prepaid mail, recognized express mail or
     facsimile to the following correspondence addresses:

PARTY A:   KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.
Address:   Tengda Plaze, No.168 Xiwai Street, Haidian District, Beijing
Fax:       +86 01 88575900
Tele:      +86 01 88576000
Addressee: Zhou Yunfang

PARTY B:   YANG YANG
Address:   407, No. 397 Guang An Men Wai Avenue, Xuanwu District, Beijing
Fax:       +86 01 88575900
Tele:      +86 01 88576000
Addressee: ______________________________

PARTY C:   WANG GUIJUN
Address:   No. A17, An De Li North Street, Dongcheng District, Beijing
Fax:       +86 01 88575900
Tele:      +86 01 88576000

PARTY D:   WU LINGUANG
Address:   159-204, No.3 Fei Xi Road, Shushan District, Hefei
Fax:       +86 01 88575900
Tele:      +86 01 88576000
Addressee: Wu Linguang

PARTY E:   BEIJING WIRELESS INTERACTIVE NETWORK TECHNOLOGIES CO., LTD.
Address:   E190, Jianli Hotel, No.B21Jiu Xian Qiao Road, Chaoyang District,
           Beijing
Fax:       +86 01 88575900
Tele:      +86 01 88576000

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Addressee: Yang Yang

     8.2.1 Notices and correspondences shall be deemed to have been effectively
          delivered:

          8.2.2.1 at the exact time displayed in the corresponding transmission
               record, if delivered by facsimile, unless such facsimile is sent
               after 5:00 pm or on a non-business day in the place where it is
               received, in which case the date of receipt shall be deemed to be
               the following business day;

          8.2.2.2 on the date that the receiving Party signs for the document,
               if delivered in person (including express mail);

          8.2.2.3 on the fifteenth (15th ) day after the date shown on the
               registered mail receipt, if sent by registered mail;

     8.2.4 Binding Force

          This Agreement shall be binding on the Parties.

8.3  Language and Counterparts

     This Agreement shall be executed in 5 originals in Chinese, with each party
     holding one copy.

8.4  Days and Business Day

     A reference to a day herein shall mean a calendar day. A reference to a
     business day herein shall mean any day from Monday through Friday in a
     week.

8.5  Headings

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     The headings contained herein are inserted for reference purposes only and
     shall not affect the meaning or interpretation of any part of this
     Agreement.

8.6  Unspecified Matters

     Any matter not specified in this Agreement shall be handled through
     discussions among the Parties and resolved in accordance with the PRC laws.

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PARTY A: KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.

Authorized Representative:
                           ---------------------------

PARTY B: YANG YANG

Signature:
           ---------------------------

PARTY C: WANG GUIJUN

Signature:
           ---------------------------

PARTY D: WU LINGUANG

Signature:
           ---------------------------

PARTY E: BEIJING WIRELESS INTERACTIVE NETWORK TECHNOLOGIES CO., LTD.

Authorized Representative:
                           ---------------------------

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