If your console's clock is wrong, SSL certificates will fail, blocking all downloads. Sync via Internet in Settings.
If you want the absolute fastest pkgi experience, the trick is to remove the download burden from the PS3 entirely. You can use a PC tool like or pkgRipper alongside your pkgi.txt database files to download games to your computer at maximum fiber-optic speeds. ps3 pkgi install better
PKGi relies on TSV files (tables of game links). For a better install: If your console's clock is wrong, SSL certificates
Overkill if you only want a storefront.