https://www.gamesradar.com/3ds-will-likely-be-region-locked/
3DS will likely be region locked | GamesRadar+
Jan 12, 2011 - The DS and DS Lite are not region locked, but the DSi and DSi XL are, and it appears that the 3DS will also be restricted by geopolitical boundaries.
will likelyregion locked3dsgamesradar
https://www.techradar.com/news/gaming/consoles/nintendo-wii-u-games-reportedly-region-locked-1099417
Nintendo Wii U games reportedly region locked | TechRadar
Sep 24, 2012 - No support for game importing on Wii U
nintendo wii u gamesregion lockedreportedlytechradar
https://www.engadget.com/2004-12-13-psp-region-locked-afterall.html
PSP region-locked afterall?
Dec 13, 2004 - We don't have any official word saying otherwise, but it looks like someone's snapped a pic of what appears to be a region-lock style emblem on a PSP game....
region lockedpspafterall
https://www.engadget.com/2013-06-11-the-ps4-wont-be-region-locked.html
The PS4 won't be region-locked
Jun 11, 2013 - We know the pricing, a loose holiday release schedule, and now, that the PlayStation 4 won't be locked-down according to geography. That's according to Sony...
won tps4regionlocked