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PS4 5.50 update: Sony launching system software upgrade TODAY, here's what it does | Gaming | Entertainment | Express.co.uk
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PlayStation 4 Update 5.50 (KEIJI) Beta Out Today; Offers PS4 Pro Supersampling, Play Time Management, Custom Wallpaper Via USB & More
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PS4 5.50 Jailbreak? Firmware 4.55 Public Exploit Rewritten To Work With 5.50, Here Are The Details | Redmond Pie
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