Yes, The 3DS Is Region-Locked (And Other Downsides To The System) - Siliconera
Initial D Street Stage PSP the Best Japan Play Station Portable Sega 4974365900113 | eBay
Sony PSP 3000 Console Various Color Region Free w/Battery pack Memory Stick – I.E.T. INDUSTRIAL ANTONIO PRIETO – SINCELEJO, SUCRE
Regional lockout - Wikipedia
I now own one of the rarest UMD Videos, and I can personally confirm that despite only being released in Europe, it is not region locked. : r/PSP
Amazon.com: SONY PSP Playstation Portable Console JAPAN MODEL PSP-3000 Vibrant Blue Value Pack | PSPJ-30024 (Japan Import) : Video Games
DVD region code - Wikipedia
PSP in 2023: How To Play Region Locked UMD Movies - YouTube
PlayStation Vita import FAQ: what you'll want to know before buying a Japanese handheld - The Verge
Are music UMDS region locked? : r/PSP
PSP in 2023: How To Play Region Locked UMD Movies - YouTube
PSP Go! region locked? | MacRumors Forums
What consoles are not region-locked?
PSP in 2023: How To Play Region Locked UMD Movies - YouTube
Amazon.com: Harry Potter and the Goblet of Fire [UMD for PSP] : Sheila Allen, Robbie Coltrane, Warwick Davis, Frances de la Tour, Ralph Fiennes, Michael Gambon, Brendan Gleeson, Robert Hardy, Jason Isaacs,
I now own one of the rarest UMD Videos, and I can personally confirm that despite only being released in Europe, it is not region locked. : r/PSP
Soapbox: Why Region Locking Is A Total Non-Issue | Nintendo Life
WHITE Sony PSP 1000 System w/ Charger & 64gb Memory Card Bundle Region Free – ASA College: Florida
Nintendo 3DS: Wireless Local Multiplayer Is Region Locked For Nintendo 3DS Games - My Nintendo News
PS Vita software will not be region-locked - GameSpot