Samsung Galaxy S4 Mini is the younger sibling of the Galaxy S4. It runs on a 1.7GHz dual core Snapdragon processor, with 1.5GB RAM and 8GB internal storage (16GB in some regions). The 4.3″ Super AMOLED display has a resolution of 540×960. The S4 Mini runs on Samsung Touchwiz and comes with the standard suite of Samsung apps.
Samsung Galaxy S4 Mini users can rejoice as CM 12.1 ROM running on Android 5.1 is finally available for S4 Mini. This is the official build of CM 12.1 ROM and it will have minimum bugs. If you want to try out this ROM, follow the guide below.