Hacking OFW below 3.55 > REBUG 4.46.01

mixinluv2u

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Hi guys quick question. I have OFW 3.40 and would like to get to REBUG 4.46.01 (or whatever the latest is). Do I need to get to:

OFW 3.40 > OFW 3.55 > REBUG 4.46.01?

or can I go directly:

OFW 3.40 > REBUG 4.46.01?

If both ways work, are there any differences or pros/cons of each?

Sorry if the question is dumb, I looked around and found conflicting advice. Thanks in advance!
 

mechadylan

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Seeing as you will be using Rebug CFW, I would go with what their website suggests:

From XMB install REBUG 4.21.x AND HIGHER over any 3.55 OFW/CFW/MFW or the same or lower firmware version CFW with spkg sig check patched or any firmware version CFW with spkg sig check patched and QA enabled.

So, yeah: OFW 3.40>OFW 3.55>REBUG 4.46.01 or OFW 3.40>CFW 3.55>REBUG 4.46.01
 

tbgtbg

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Seeing as you will be using Rebug CFW, I would go with what their website suggests:

From XMB install REBUG 4.21.x AND HIGHER over any 3.55 OFW/CFW/MFW or the same or lower firmware version CFW with spkg sig check patched or any firmware version CFW with spkg sig check patched and QA enabled.

So, yeah: OFW 3.40>OFW 3.55>REBUG 4.46.01 or OFW 3.40>CFW 3.55>REBUG 4.46.01

You should probably enable QA in there somewhere, so you might want to do the latter and toggle QA on between cfw 3.55 and rebug 4.46.01.
 

Cyberdrive

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I'd personally go this way:

OFW 3.40 -> OFW 3.55 -> Rebug 3.55,
toggle QA (in Rebug Toolbox, this allows CFW downgrading),
dump eid0 (with eEID_RKDumper, for CEX2DEX conversion since you're going to use Rebug anyway),
dump flash (with multiMAN or Rebug Toolbox, for brick recovery)
-> Rebug 4.46
dump flash (as above, for CEX2DEX and just to have another backup)

Flash dumps will never match each other even if dumped back-to-back, so having them dumped several times isn't a bad idea. The relatively dangerous operation is writing to the flash , not reading, so the fewer times you write to the flash, the lower the risk of accidental bricking (power loss while flashing, for example) is.
 

mechadylan

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You should probably enable QA in there somewhere, so you might want to do the latter and toggle QA on between cfw 3.55 and rebug 4.46.01.
Perhaps I took the OP too literally. Yes, you should also toggle QA as well as install mM and dump your NOR/NAND flash. For a more comprehensive set of instructions, see here: How to install the latest Rebug CFW

or can I go directly:

OFW 3.40 > REBUG 4.46.01?

If both ways work, are there any differences or pros/cons of each?

Sorry if the question is dumb, I looked around and found conflicting advice. Thanks in advance!

It's possible that it would work, but why risk it when the other method yields much more positive outcomes? Frankly, I think it WILL work but I'd never try it myself. OFW 3.40 > Any FW 3.55 (official, modified, or custom) > REBUG 4.46.01 seems like the most reliable method. And again, there are other steps involved aside from simply flashing the FW twice (see above.)
 
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trumpet-205

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Install Toggle QA first and run it to enable QA and to reset level 1 hash. After that just install Rebug 4.46.

Don't even bother with DEX that Cyberdrive mentioned.
 

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