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Firmware 4.75 Is Available for Sony PlayStation 3 Systems - Update Now
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Playstation 3 Firmware 4.75 is now available! - Wololo.net
PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to
Firmware 4.75 Is Available for Sony PlayStation 3 Systems - Update Now
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PS3 System Software Update 4.75 Released; Improves Stability [UPDATED]