How to update playstation 3 system software - YouTube
PS3 System Update 4.87 Released - Download Links Here | N4G
PS3 Firmware Update 4.87 Is Out, Here Are The Details
PS3 Update 4.87 Sneaks Out - MP1st
PlayStation 3: Sony releases Firmware 4.87 for their 14 year old console - HFW 4.87.1 is already out with SEN Enabler already being updated to spoof FW 4.87 - Wololo.net
PS3 Firmware 4.88 released, do not update just yet - Wololo.net
PS3 HFW 4.87 - NonCFW User HEN Exploit Slim & SuperSlim
PS3 Update 4.87 Patch Notes - GameRevolution
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PS3 update 4.87 (do not download) - YouTube
PlayStation 3: Sony releases Firmware 4.87 for their 14 year old console - HFW 4.87.1 is already out with SEN Enabler already being updated to spoof FW 4.87 - Wololo.net
PS3: Homebrew ENabler 3.0.3_4.88 released for Firmware 4.88 - Wololo.net