yp thr is
- ultimate belle by sybraj
- fast and furious
- cfw by crazy doc
and many other u can search on google by typing (best belle based cfw for c7/nokia c7) etc. nd many nd many cfws will b thr 4 u, bt im suggesting tht thr is none btr thn ultimate belle nd delight belle
in using delight, bt idk abt ultimate 1 bt abt wat i hv seen is tht they both r awesome
wishing tht i helped u