UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)*

China Techfaith Wireless Communication Technology Limited (the “Issuer”)

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

     Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o     Rule 13d-1(b)
þ     Rule 13d-1(c)
o     Rule 13d-1(d)

     *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

     The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

CUSIP No. G84383101			SCHEDULE 13G	Page 2 of 11 Pages

¹ Includes 72,856,242 ordinary shares of the Issuer issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on a Senior Secured Convertible Promissory Note issued in favor of IDG-Accel China Growth Fund II L.P. by 798 Entertainment Limited (formerly known as “Leo Technology Limited”), a subsidiary of the Issuer (the “Subsidiary”) as of June 9, 2009 (the “IDG-Accel China Growth Fund Note”). The remainder of the principal due on the IDG-Accel China Growth Fund Note was converted into shares of the Subsidiary.

² Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on a Senior Secured Convertible Promissory Note issued in favor of IDG-Accel China Investors II L.P. by the Subsidiary as of June 9, 2009 (the “IDG-Accel China Investors Fund Note”).

CUSIP No. G84383101			SCHEDULE 13G	Page 3 of 11 Pages

³ The record owner of these shares is IDG-Accel China Growth Fund II L.P. By virtue of being the general partner of IDG-Accel China Growth Fund II L.P., the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

⁴ Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note.

CUSIP No. G84383101			SCHEDULE 13G	Page 4 of 11 Pages

⁵ Includes 5,958,386 ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note. The remainder of the principal due on the IDG-Accel China Investors Fund Note was converted into shares of the Subsidiary.

⁶ Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note.

CUSIP No. G84383101			SCHEDULE 13G	Page 5 of 11 Pages

⁷ Including 72,856,242 shares of which the record owner is IDG-Accel China Growth Fund II L.P. and 5,958,386 shares of which the record owner is IDG-Accel China Investors II L.P. By virtue of being the ultimate general partner of both of these record holders, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

⁸ Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note.

CUSIP No. G84383101			SCHEDULE 13G	Page 6 of 11 Pages

⁹ Including 72,856,242 shares of which the record owner is IDG-Accel China Growth Fund II L.P. and 5,958,386 shares of which the record owner is IDG-Accel China Investors II L.P. Patrick J. McGovern and Quan Zhou are directors and executive officers of IDG-Accel China Growth Fund GP II Associates Ltd., which is the ultimate general partner of both IDG-Accel China Growth Fund II L.P. and IDG-Accel China Investors II L.P. By virtue of acting together to direct the management and operations of the ultimate general partners of each of the above record owners, Patrick J. McGovern and Quan Zhou may be deemed to have shared voting and dispositive power with respect to these shares.

¹⁰ Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note.

CUSIP No. G84383101			SCHEDULE 13G	Page 7 of 11 Pages

¹¹ Including 72,856,242 shares of which the record owner is IDG-Accel China Growth Fund II L.P. and 5,958,386 shares of which the record owner is IDG-Accel China Investors II L.P. Patrick J. McGovern and Quan Zhou are directors and executive officers of IDG-Accel China Growth Fund GP II Associates Ltd., which is the ultimate general partner of both IDG-Accel China Growth Fund II L.P. and IDG-Accel China Investors II L.P. By virtue of acting together to direct the management and operations of the ultimate general partners of each of the above record owners, Patrick J. McGovern and Quan Zhou may be deemed to have shared voting and dispositive power with respect to these shares.

¹² Based upon the ordinary shares of the Issuer outstanding as of May 16, 2010, as reported by the Issuer in a Form 20-F filed on May 19, 2010, as increased by (i) the total number of ordinary shares issued to IDG-Accel China Growth Fund II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Growth Fund Note, and (ii) the total number of ordinary shares issued to IDG-Accel China Investors II L.P. upon conversion of 62.5% of the principal due on the IDG-Accel China Investors Fund Note.

CUSIP No. G84383101		SCHEDULE 13G		Page 8 of 11 Pages

Item 1(a) Name of Issuer:

China Techfaith Wireless Communication Technology Limited

Item 1(b) Address of Issuer’s Principal Executive Offices:

3/F, M8 West, No.1 Jiu Xian Qiao East Road, Chao Yang District,
Beijing 100016, People’s Republic of China

Item 2(a) Name of Person Filing:

1. IDG-Accel China Growth Fund II L.P.

2. IDG-Accel China Growth Fund II Associates L.P.

3. IDG-Accel China Investors II L.P.

4. IDG-Accel China Growth Fund GP II Associates Ltd.

5. Patrick J. McGovern

6. Quan Zhou

     The above persons have agreed to jointly file this statement pursuant to Rule 13d-1(k). A copy of such agreement is attached as an exhibit to this statement.

     IDG-Accel China Growth Fund II L.P. is a limited partnership organized under the laws of the Cayman Islands. The general partner of IDG-Accel China Growth Fund II L.P. is IDG-Accel China Growth Fund II Associates L.P., a limited partnership organized under the laws of the Cayman Islands. The general partner of IDG-Accel China Growth Fund II Associates L.P. is IDG-Accel China Growth Fund GP II Associates Ltd., a limited liability company incorporated under laws of the Cayman Islands. IDG-Accel China Investors II L.P. is a limited partnership organized under the laws of the Cayman Islands. The general partner of IDG-Accel China Investors II L.P. is IDG-Accel China Growth Fund GP II Associates Ltd. The directors and executive officers of IDG-Accel China Growth Fund GP II Associates Ltd. are Patrick J. McGovern and Quan Zhou. Each of Patrick J. McGovern and Quan Zhou disclaims beneficial ownership of the ordinary shares of the Issuer and this Statement shall not be deemed an admission that either is a beneficial owner of, or has any pecuniary interest in, such ordinary shares.

Item 2(b) Address of Principal Business Office or, If None, Residence; Citizenship

For all reporting persons:

c/o IDG VC Management Ltd.
Unit 1509, The Center
99 Queen’s Road
Central, Hong Kong

Item 2(c) Citizenship

Each of Patrick J. McGovern and Quan Zhou is a citizen of United States of America. Each of IDG-Accel China Growth Fund II L.P., IDG-Accel China Growth Fund II Associates L.P., IDG-Accel China Investors II L.P. and IDG-Accel China Growth Fund GP II Associates Ltd. is organized under the laws of the Cayman Islands.

Item 2(d) Title of Class of Securities:

Ordinary shares, par value $0.00002 per share

CUSIP No. G84383101		SCHEDULE 13G		Page 9 of 11 Pages

Item 2(e) CUSIP Number:

G84383101

Item 3. Statement Filed Pursuant to Rule 13d-1(b) or 13d-2(b) or (c):

Not applicable.

Item 4. Ownership

The information for each reporting person contained in Items 5-11 of the cover pages is incorporated herein by reference.

Item 5. Ownership of Five Percent or Less of a Class

Not applicable.

Item 6. Ownership of More Than Five Percent on Behalf of Another Person

Not applicable.

Item 7. Identification and Classification of Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person

Not applicable.

Item 8. Identification and Classification of Members of the Group

Not applicable.

Item 9. Notice of Dissolution of Group

Not applicable.

Item 10. Certifications

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: September 14, 2010

		IDG-ACCEL CHINA GROWTH FUND II L.P.
		By: IDG-Accel China Growth Fund II Associates L.P.,
		its General Partner
		By: IDG-Accel China Growth Fund GP II Associates Ltd.,
		its General Partner
		By:		/s/ Quan Zhou
				Name: Quan ZHOU
				Title: Authorized Signatory
		IDG-ACCEL CHINA GROWTH FUND II ASSOCIATES L.P.
		By: IDG-Accel China Growth Fund GP II Associates Ltd.,
		its General Partner
		By:		/s/ Quan Zhou
				Name: Quan ZHOU
				Title: Authorized Signatory
		IDG-ACCEL CHINA GROWTH FUND GP II ASSOCIATES LTD.
		By:		/s/ Quan Zhou
				Name: Quan ZHOU
				Title: Authorized Signatory
		IDG-ACCEL CHINA INVESTORS II L.P.
		By: IDG-Accel China Growth Fund GP II Associates Ltd.,
		its General Partner
		By:		/s/ Quan Zhou
				Name: Quan ZHOU
				Title: Authorized Signatory
		PATRICK J. MCGOVERN
		By:		/s/ Patrick J. McGovern
		QUAN ZHOU
		By:		/s/ Quan Zhou

LIST OF EXHIBITS

Exhibit No.		Description
A		Joint Filing Agreement (incorporated by reference to Exhibit A of the initial Schedule 13G filed with the Securities and Exchange Commission on May 15, 2009)