Once split files are transferred to the PS3, backup managers like

It sounds like you’re looking for helpful features related to a — likely meaning you have large files (e.g., game repacks, ISO archives, or backup images) split into 4GB parts (to work around FAT32 limitations) and you want to recombine them efficiently.

To solve this, scene release groups and repackers created tools (most notably by the group "deank") to large files into chunks.

Choose your external FAT32-formatted USB drive or a temporary folder on your PC.