How to check the what zone/region your game in the disc/case? : Gaming : r/ PS4
DVD region code - Wikipedia
PS4 region-lock free Sony confirms - SlashGear
Why is Region-Locking Still a Thing and is it a Necessary Evil?
Just received AC4, the box suggests it's region locked (Marked as region 2). I thought they were region free? : r/PS4
Are PS4 Games Region Locked? (Explained) | WhatsaByte
PS4 FAQ - Your Questions Answered: Is PlayStation 4 backwards compatible, blu ray, region free? | VG247
How to Change Region on PS4 to Play Any DVDs & Games
PS4 launches in China, somehow isn't (totally) region-locked
PS4 DLC finally cross-region compatible? | NeoGAF
Are PlayStation Games Region Free? – Retro Only
Are Sony PlayStation 4 games region locked or not?
What is the difference between the regions 1, 2, 3, and 4 of the PS4? - Quora
PS4 FAQ - Your Questions Answered: Is PlayStation 4 backwards compatible, blu ray, region free? | VG247
Are PS4 Games Region Locked? (Explained) | WhatsaByte
China will not have region locked PlayStation 4 console - theGeek.games
How to tell the region information of a PS4 1TB model by looking at the box or the console - Quora
PS4 Games Region Codes Explained
How to Change Region on PS4 to Play Any DVDs & Games
Here's how to play region-locked games on your Xbox
Change Country on PS4: Gain Access to Region Locked Content
