MOBI [SKY-MOBI] SC 13G/A: (Original Filing)
[CUSIP NO. 83084G109 13 G Page 2 of 15 Pages 1 NAME OF REPORTING PERSON SEQUOIA CAPITAL CHINA II, L.P. (SCC II) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 26-0204241 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY 4]