The Noobz team is proud to release a new version of its PSP firmware 3.50 downgrader, now complete with support for the Korean version of Lumines.
This now means that any copy to date of Lumines can be used to downgrade firmware 3.50 to 1.50, regardless of the region.
Download Universal Firmware 3.50 Downgrader / Install Guide
Korean Lumines HEN / Downgrader [Noobz]