If interested in Android for other phones, check out our new Custom ROMs section. You can update Galaxy S3 I to Paranoid Android. This is a testament to how well Samsung built the Galaxy S3, that it is still alive and kicking – and custom Lollipop ROMs are still being built for it. Ahoy! Once again, PA's back (for our device, I mean)! This time, this ROM isn't based on CM rather AOSP (The nexus sources). I don't know if. A signature error is often caused by trying to install custom firmware (the ROM) with the stock revovery. The stock recovery will only install a. Courtesy of Team Paranoid Android & dschenseNOTEThis is an UNOFFICIAL build of ParanoidAndroid and for i and by NO means this is. Paranoid Android legacy web page is now hosting the stable PA ROM for the Samsung Galaxy S3 International non-LTE device. Use this. ParanoidAndroid is a very popular custom ROM for Samsung Galaxy S3 now based on AOSP 3+ project. The latest Paranoid Android Paranoid Android is a custom ROM aiming to extend the system, working on enhancing the already existing beauty of Android and following the same design . Battery lasting 4 days with Paranoid Android Unofficial Build. Instead of going for anything else, I tried several CyanogenMod based builds(unofficial ones), but.