Because "X14.0" is often used as a model number for commercial camera drones (specifically the ), while "Assault" suggests a military or sci-fi context, there are two main possibilities for what you are looking for. Dee And Desi Complete [NEW]
The X14.0 Assault is a heavy-attack UAV designed for urban suppression. It trades the standard X14’s surveillance package for an armored chassis and hardpoint weapon mounts. The Copycat -v1.0.0- By Piggybackride Productions - 3.79.94.248
Here is a breakdown of the manual and operational details for the most likely candidates. If you have purchased a physical drone labeled "X14.0" (often made by the brand MJX), this is a high-end consumer GPS drone designed for aerial photography, not assault.