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PS3 SPKG Tool v1.0 for Windows and Linux is Now Available

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98w ago - Today an anonymous PlayStation 3 developer has released PS3 SPKG Tool v1.0 for both Windows and Linux users with details below.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror)

From the ReadMe file: SPKG Tool 1.0


  • fail0verflow key folder
  • spkg (3.56+) and pkg (0.80-3.55) key/iv
  • disabled ecdsa check in spu_pkg_rvk_verifier


  • spkg in.pkg out.spkg_hdr
  • spkg in.spkg_hdr out.decrypted_spkg -d

Thanks to:

  • Fail0verflow for their tools
  • Anyone that thinks replacing a coldboot logo means creating his/her own cfw

Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 6 Comments - Go to Forum Thread »

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tri's Avatar
#6 - tri - 98w ago
no this is not to downgrade, you can use flasher (E3, Progskeet, etc) to do so. basically this tool is used to sign the pkg on firmware update. since rvk_verifier.self not touched before by old CFW.

so now all CFW can run smoothly, without toggle activated and hdd replace issue is fix

btw you need spkg-key and iv from retail one to get this application working.

GavPye's Avatar
#5 - GavPye - 98w ago
Is this to downgrade if so can you tell me how if not can you point me in right direction as head is booming I'm on 4.31 and want to go to 3.55 thanks

PS3 News's Avatar
#4 - PS3 News - 98w ago
I added another mirror to the first post now.

sorg's Avatar
#3 - sorg - 98w ago
somebody, please make a mirror. This mirrorcreator is not accessible

tigereye's Avatar
#2 - tigereye - 98w ago
when yes ...Great ... but i know there will be no CFW on OFW for 4.0+

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