its been about 2 years since i touched my galaxy s advance . unfortunatly i dropped my nexus 4 from 3 stories and its dead . and my back up is s advance so i want to upgrade software its been awhile so i dont know what to do anymore. but for now its running co-core 7 and the rom is aosp vanilla(4.1.2) i guess it is running twrp 220.127.116.11 so i saw new kitkat roms but iam wondering if i need to use 18.104.22.168 twrp inorder to do that and please tell me how if i have to do it and please suggest me active development rom running kitkat and active dev kernel thx in advance.
or if possible refer me to a link please explain me in detail as it isnt nexus to do stuff easy.