or PRO-C), place the installer in the same UPDATE folder, and run it. If you have a newer model ( Go to product viewer dialog for this item. Go to product viewer dialog for this item.
) are you currently using so I can give you the exact steps? ARK-4 e/CFW for the PSP and PS Vita. - GitHub
, you generally have two paths: updating to the final official version or installing custom firmware (CFW) to unlock features like homebrew and backups.