Default hello I can flash the rom cyanogenmod?

hello I can flash the rom cyanogenmod?
I am currently on stock 4.3

Baseband version
I337MUMAMB2

NUMBER OF COMPILATION
JSS15J.I337MUMUEMK6
STATE OF SELINUX

enforcing

ask them because I've heard that I can have 3G data coverage problems

or drop dead my smarthphone

thanks