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Can I Downgrade From 8955?


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#1 crash_2012

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Posted 07 December 2009 - 12:52 AM

ive got a console that had 6xxx kernel on it(not to sure exactly). i backed up that nand, and its a successful backup. i recently updated that console to 8955 to access live. if i was to flash back to the previous backup, would that then allow the kernel to be exploitable?? basically, i wanna get xbreboot running on another console of mine. i did it for a friend, and i love the outcome. ive got a few spare consoles laying around that were bad dvd keys. managed to fix those. any one attempted this??

#2 No_Name

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Posted 07 December 2009 - 02:06 AM

NO!

#3 crash_2012

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Posted 07 December 2009 - 02:53 AM

and why not??? has this been confirmed anywhere??? i havent seen anyone saying it wont work and they have tried it.

#4 damonnomad

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Posted 07 December 2009 - 05:19 AM

QUOTE(crash_2012 @ Dec 7 2009, 09:53 AM) View Post

and why not??? has this been confirmed anywhere??? i havent seen anyone saying it wont work and they have tried it.


By updating the 8955 you have blocked homebrew.

The CPU within the xbox has been physically modified to not allow booting of the exploitable dash.

Unless you have millions of dollars to take the cpu apart, forget it.

#5 under420dog

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Posted 07 December 2009 - 05:34 AM

yep the new dash threw a Efuse and there is no way back.........
na about 50.000 would get you a pic of the insides.....and about searching in this forums would of been cheaper...now you know....

Edited by under420dog, 07 December 2009 - 05:35 AM.


#6 crash_2012

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Posted 07 December 2009 - 01:05 PM

thank you guys for a real explanation, i couldnt wait and was curious myself. managed to get a 3rol, with a secondary code of 0022. i tried flashing xbreboot onto it. after that i tried going back to the original 8955 that was on it, still no luck. atleast now its documented somewhere.

#7 gordita37

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Posted 09 December 2009 - 09:43 PM

QUOTE(crash_2012 @ Dec 7 2009, 04:05 AM) View Post

thank you guys for a real explanation, i couldnt wait and was curious myself. managed to get a 3rol, with a secondary code of 0022. i tried flashing xbreboot onto it. after that i tried going back to the original 8955 that was on it, still no luck. atleast now its documented somewhere.

its well known that you couldn't. people have been telling people for a long time that you cant downgrade.

#8 easyguy

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Posted 11 December 2009 - 02:18 AM

This should be stickied. Should shut up idiots once and for all.

#9 littlestevie360

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Posted 11 December 2009 - 03:06 AM

QUOTE(crash_2012 @ Dec 7 2009, 11:05 PM) View Post

atleast now its documented somewhere


its been documented EVERYWHERE since the 84x9 updates 0.o

#10 crash_2012

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Posted 11 December 2009 - 08:28 AM

its just been posted that it cant be done, ive never seen anywhere the results of what would happen if someone tried.

#11 easyguy

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Posted 11 December 2009 - 08:53 AM

Thats just stupid. The developer of the hack clearly says so and you tried to prove him wrong?

#12 skribbler

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Posted 11 December 2009 - 08:53 PM

QUOTE(easyguy @ Dec 11 2009, 02:53 AM) View Post

Thats just stupid. The developer of the hack clearly says so and you tried to prove him wrong?


Its stupid for him to ask such a thing..indeed. However, it is not stupid for him to prove anyone wrong, be it a developer or not. The whole point of this community is to be creative and build on each others ideas, or so I thought.

Major breakthroughs start with just a simple question.

#13 jgcaap

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Posted 31 December 2009 - 10:58 AM

i've got a question do you think possibilly there will be a change on this?

#14 dakaku

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Posted 31 December 2009 - 11:09 AM

QUOTE(jgcaap @ Dec 31 2009, 10:58 AM) View Post

i've got a question do you think possibilly there will be a change on this?


Yes, at 16th Feb 2010, 9:13pm all xbox360s no matter what cb# will be exploitable...
My magic hat just whispered that to me.

#15 tristanx

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Posted 02 January 2010 - 03:08 AM

QUOTE(dakaku @ Dec 31 2009, 02:09 AM) View Post

Yes, at 16th Feb 2010, 9:13pm all xbox360s no matter what cb# will be exploitable...
My magic hat just whispered that to me.


and don't forget that the 360 will play ps3 games too on that date.




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