EXHIBIT 99.1

JOINT FILING AGREEMENT

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is accurate.

Dated: December 2, 2015

	IDG-ACCEL CHINA GROWTH FUND L.P. By: IDG-Accel China Growth Fund Associates L.P., its General Partner By: IDG-Accel China Growth Fund GP Associates Ltd., its General Partner
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG-ACCEL CHINA GROWTH FUND-A L.P. By: IDG-Accel China Growth Fund Associates L.P., its General Partner By: IDG-Accel China Growth Fund GP Associates Ltd., its General Partner
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG-ACCEL CHINA INVESTORS L.P. By: IDG-Accel China Investor Associates Ltd., its General Partner
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG-ACCEL CHINA GROWTH FUND ASSOCIATES L.P. By: IDG-Accel China Growth Fund GP Associates Ltd., its General Partner
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

[Signature Page to Joint Filing Agreement]

	IDG-ACCEL CHINA GROWTH FUND GP ASSOCIATES LTD.
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG-ACCEL CHINA INVESTORS ASSOCIATES LTD.
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG TECHNOLOGY VENTURE INVESTMENT III L.P. By: IDG Technology Venture Investment III LLC, its General Partner
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	IDG TECHNOLOGY VENTURE INVESTMEN III LLC
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU Title: Authorized Signatory

	QUAN ZHOU
	By:	/s/ Quan ZHOU
		Name: Quan ZHOU

	CHI SING HO
	By:	/s/ Chi Sing Ho
		Name: Chi Sing Ho

[Signature Page to Joint Filing Agreement]

Sungy Mobile Ltd SC 13D/A