[SCHEDULE 13D CUSIP No. 86737M 100 1. Name of reporting person. CBC Mobile Venture Limited 2. Check the appropriate box if a member of a group (see instructions) ¨ ¨ (a) 3. SEC use only 4. Source of funds (see instructions) OO – See Item 3 5. ¨ 6. Citizenship or place of organization British Virgin Islands Number of shares]

[JOINT FILING AGREEMENT Dated: December 2, 2015 IDG-ACCEL CHINA GROWTH FUND L.P. IDG-ACCEL CHINA GROWTH FUND-A L.P. IDG-ACCEL CHINA INVESTORS L.P. IDG-ACCEL CHINA GROWTH FUND ASSOCIATES L.P. IDG-ACCEL CHINA GROWTH FUND GP ASSOCIATES LTD.] [SCHEDULE 13D (Amendment No. 2)* Sungy Mobile Limited (Name of Issuer) Class A Ordinary Shares, Par Value $0.0001 per Share (“Class A Ordinary Shares”) (Title of Class of Securities) (1) 86737M100 (CUSIP Number) Quan Zhou IDG Capital Management (HK) Limited Unit 5505, The Centre 99 Queen’s Road Central, Hong Kong + (852) 2529-1016 (Name, Address and Telephone Number of Person]