UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Rosewood Capital III, L.P.
94-3274638

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
378,873

6.

Shared Voting Power
0

7.

Sole Dispositive Power
378,873

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
378,873

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
1.18%*

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Rosewood Capital Associates, L.L.C.
94-3192044

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
378,873*

6.

Shared Voting Power
0

7.

Sole Dispositive Power
378,873*

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
378,873*

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
1.18%**

12.

Type of Reporting Person (See Instructions)
OO

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Rosewood Capital IV, L.P.
22-3707169

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
1,924,466

6.

Shared Voting Power
0

7.

Sole Dispositive Power
1,924,466

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,924,466

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
6.03%*

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Rosewood Capital Associates IV, L.L.C.
22-3707171

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
1,942,665*

6.

Shared Voting Power
0

7.

Sole Dispositive Power
1,942,665*

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,942,665*

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
6.08%**

12.

Type of Reporting Person (See Instructions)
OO

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Kyle A. Anderson

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
USA

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
0

6.

Shared Voting Power
378,873

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
378,873

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
378,873

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
1.18%*

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 87157B 10 3

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Byron K. Adams Jr.

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
USA

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
0

6.

Shared Voting Power
378,873

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
378,873

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
378,873

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
1.18%*

12.

Type of Reporting Person (See Instructions)
IN

Item 1.

(a)

Name of Issuer
Synchronoss Technologies Inc.

(b)

Address of Issuer’s Principal Executive Offices
750 Route 202 South, Suite 600, Bridgewater, NJ 08807.

Item 2.

(a)

Name of Person Filing
Rosewood Capital III, L.P.,
Rosewood Capital Associates, L.L.C.,
Rosewood Capital IV, L.P.,
Rosewood Capital Associates IV, L.L.C.,
Kyle A. Anderson and Byron K. Adams, Jr.

(b)

Address of Principal Business Office or, if none, Residence
One Maritime Plaza #1401, San Francisco, CA  94111

(c)

Citizenship
See the responses to Item 4 on the attached cover pages.

(d)

Title of Class of Securities
Common Stock, $0.0001 par value per share

(e)

CUSIP Number
87157B103

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

o

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

o

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

o

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).

(e)

o

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

o

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

o

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

o

Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Not applicable.

Item 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:   

See the responses to Item 9 on the attached cover pages.

(b)

Percent of class:   

See the responses to Item 11 on the attached cover pages.

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote   

See the responses to Item 5 on the attached cover pages.

(ii)

Shared power to vote or to direct the vote    

See the responses to Item 6 on the attached cover pages.

(iii)

Sole power to dispose or to direct the disposition of   

See the responses to Item 7 on the attached cover pages.

(iv)

Shared power to dispose or to direct the disposition of   

See the responses to Item 8 on the attached cover pages.

As of June 14, 2006, the date that the Issuer’s Registration Statement on Form S-1 was declared effective by the Securities and Exchange Commission, (a) Rosewood Capital III, L.P. (“Rosewood Capital III”) held 420,970 shares of Common Stock, (b) Rosewood Capital IV, L.P. (“Rosewood Capital IV”) held 2,138,295 shares of Common Stock and (c) Rosewood Capital IV Associates, L.P. (“Rosewood IV Associates”) held 20,233 shares of Common Stock.   On June 15, 2006, (a) Rosewood Capital III sold 42,097 shares of Common Stock, (b) Rosewood Capital IV sold 213,829 shares of Common Stock and (c) Rosewood IV Associates sold 2,034 shares of Common Stock.

Rosewood Capital Associates, LLC is the general partner of Rosewood Capital III.  Rosewood Capital Associates IV, LLC is the general partner of Rosewood Capital IV and Rosewood IV Associates. Byron K. Adams Jr. and Kyle A. Anderson are the managing members of Rosewood Capital Associates, LLC. Each of Byron K. Adams Jr., Kyle A. Anderson and Peter Breck are the managing members of Rosewood Capital Associates IV, L.L.C.  Each of Mr. Adams, Mr. Anderson and Mr. Breck disclaims beneficial ownership of the shares held by Rosewood Capital III, Rosewood Capital IV and Rosewood IV Associates, except to the extent of his pecuniary interest therein.

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   o.

Not applicable.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the 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

See Exhibit 99.2 for a list of group members.

Item 9.

Notice of Dissolution of Group

Not applicable.

Item 10.

Certification

Not applicable.

DATED: August 14, 2006

ROSEWOOD CAPITAL III, L.P.

By:

Rosewood Capital Associates, L.L.C.

Its:

General Partner

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL ASSOCIATES, L.L.C.

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL IV, L.P.

By:

Rosewood Capital Associates IV, L.L.C.

Its:

General Partner

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL ASSOCIATES IV, L.L.C.

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

KYLE A. ANDERSON

By

/s/ Kyle A. Anderson

BYRON K. ADAMS JR.

By

/s/ Byron K. Adams Jr.

DATED: August 14, 2006

ROSEWOOD CAPITAL III, L.P.

By:

Rosewood Capital Associates, L.L.C.

Its:

General Partner

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL ASSOCIATES, L.L.C.

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL IV, L.P.

By:

Rosewood Capital Associates IV, L.L.C.

Its:

General Partner

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

ROSEWOOD CAPITAL ASSOCIATES IV, L.L.C.

By

/s/ Kevin Reilly

Name:  Kevin Reilly

Title:  Managing Member

KYLE A. ANDERSON

By

/s/ Kyle A. Anderson

BYRON K. ADAMS JR.

By

/s/ Byron K. Adams Jr.

ROSEWOOD CAPITAL III, L.P.

ROSEWOOD CAPITAL ASSOCIATES, L.L.C.

ROSEWOOD CAPITAL IV, L.P.

ROSEWOOD CAPITAL ASSOCIATES IV, L.L.C.

KYLE A. ANDERSON

BYRON K. ADAMS JR.