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| <div style="float:right">[[File:NAND-downgrading-steps.png|200px|thumb|left|NAND flasher downgrader steps]]<br />[[File:NOR-downgrading-steps.png|200px|thumb|left|NOR flasher downgrader steps]]<br />[[File:Downgrading-installation-steps.png|200px|thumb|left|Downgrading installation steps ]]</div> | | <div style="float:right">[[File:NAND-downgrading-steps.png|200px|thumb|left|NAND flasher downgrader steps]]<br />[[File:NOR-downgrading-steps.png|200px|thumb|left|NOR flasher downgrader steps]]<br />[[File:Downgrading-installation-steps.png|200px|thumb|left|Downgrading installation steps ]]</div> |
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| == Dehashing ==
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| {{Dehashing}}
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| === reFSM dehashing ===
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| {{reFSM dehashing}}
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|
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| ==== Remarks ====
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| <!--// '''ReFSM''' way is strongly recommended over '''QA''' if you do NOT install a nonpatched firmware //-->
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| * FSM gets you a installer LOG (QA does not)
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| * FSM does not delete ACT.DAT ([[QA_Flagging#Act.dat_.28PSN_activation.29_gets_deleted|QA does]])
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| * FSM can be done without a BD drive with noBD patched firmware (QA needs the BD drive present)
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| * FSM can be done without seeing XMB or Recovery (QA needs Recovery and XMB for the QA-flagging package)
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| Both ways ''require'' installing nonpatched firmware to dehash syscon bank. QA-flag can be removed/reset (but it is better to keep it flagged) after succesfull dehash, without bricking.
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| <domelec> dehash procedure: fsm install ofw
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| after console turns off take out usb stick and look at log file,
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| if log is ok then reinsert usb stick and turn on console,
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| ofw will then reinstall, after console turns off again
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| take out usb stick and check log, if ok then exit fsm
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| <eussNL> do double FSM OFW, then get out of service mode.
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| <eussNL> check everything is working
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| <eussNL> THEN and only THEN, you can install whatever you want, in recovery.
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| <eussNL> there is no need for factory mode after dehashing complete
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| <eussNL> in fact, if everything works on OFW 3.55 after dehashing,
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| <eussNL> you can install [http://www.ps3devwiki.com/files/firmware/MFW-CEX/Downgrader/Rogero-V3.2/ Rogero V3.2] in recovery and [http://www.ps3devwiki.com/files/flash/Tools/toggle-qa/ QA-extra] flag it
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| <eussNL> if OFW 3.55 works then you proven that you dehashed
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| <eussNL> so after that you can install whatever MFW 3.55 you want
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| <eussNL> If for some reason you cannot dehash because of BD or BT errors
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| then you can use PS3MFW Builder and the broken Blueray / broken Bluetooth
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| tasks. Do not select downgrader patches, or you will not dehash!
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| <eussNL> BD error can be persistant if flasher is still attached,
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| see: http://www.ps3devwiki.com/wiki/Talk:Hardware_flashing#BD_drive_not_found_problem
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| <eussNL> 3 options: 1. open R7/R8 / 2. remove flasher control lines / 3. remove all flasher wiring
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| <playonlcd> i think you can update on wiki "dehashing with jaicrab is not recommended
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| and will not dehash as needed and thus semibrick by syscon hash panic
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| {{Hardware Flashers}}<noinclude>[[Category:Main]]</noinclude>
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