need help plz samsung i9300 copy

hi all i need a rom to fix my phone no service and sim managerment not active
my phone info is

dual sim
sw ver : 1.4.0
hardware : mt6573
model : i9300
build number : v1.4.0
build date utc : 20121119-024346
android v : 4.0.4
baseband v : maui. 11amd.w11.37.sp.v17.f1.p.2012/25/22 21:15
kermel v : 2.6.35.7 (wangfei@sbuild) (gcc version 4.4.3 ( gcc ) )


processor= arm v6-compatible processor rev 7(v61)
bog mips =670.10
hardware : mt6573
revision = 65fb8a00
brand = yusu
model : i9300
product =e615
device = e615
display = v1.4.0
mtk build
alps.gb.fdd2.mp.v4.5
ro.build.id =grk39f

can i get any rom to it and my phone is rooted
and can i get update cwm for my phone
thanks for help