What makes save data worse ? Avoid these pitfalls at all costs:

: A legacy tool often used for more granular changes like creating custom charms or editing relic weapons. Optimizing and Protecting Your Data MONSTER HUNTER 4U | Official Web Manual - CAPCOM

Your MH4U save data provides immediate benefits when you move to the next generation of games:

A cluttered item box is the enemy of efficient hunting. If your save data is bloated with 40 rusted weapons, 200 worthless palico scraps, and 15 different types of honey, your hunt preparation speed suffers. Here is how to make your inventory data functionally better.

: Your item/armor presets, Guild Cards, DLC, and Guild Quests are stored on the SD card as "Extra Data".

Before you can make your MH4U save data better , you must understand what you are working with.