Can i flash my phone with any lollipop rom without changing radio and camera?

[AC Question]

I want to flash my phone with custom rom of lollipop, currently running 4.2.1 stock I don't want to see anymore this older look. is that possible? and I want to do that without affecting radio and camera also my phone is dual sim, which lollipop rom I can grab to update my g700? without affecting radio and camera, although I don't worry about kernel as far as the new kernel will able to work with my device.