Credits to Godzcheater for the original sp mod
Halo 4 GPD with max XP and spartan points (nearly everything unlocked).
Download here: www.mediafire.com/download.php?42te02rkar8mdaq
Use horizon to load your profile from your memory unit and just replace your halo 4 gpd with this one and resign n rehash.
You have play halo offline for this to work.