UpdatedSony confirmed the issues while it was down, but everything seems to be fixed now.
Reports of players having trouble signing in to PSN have appeared in the UK, North America, and Europe.
PlayStation owners can now buy game codes to redeem on their PlayStation, but there's no discount for UK shoppers.
PS4 gamers may have even more to watch on their brand new console with hints of exclusive programming.
Sony has rolled out the essential PS4 firmware update 1.5, allowing users to download it now before Friday's console launch
On PS4 launch day in the US, new console owners can't get online to download the essential day one update.