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rainisto is offline rainisto
2012-12-02 , 18:05
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#11
Originally Posted by vitaminj View Post
Perhaps people might want an email client which shows unread counts reliably or a web browser which doesn't aggravatingly blank the address bar when it fails to load a page, two major regressions in what was supposed to be a bugfix release.
but that doesn't require you to downgrade, if you want to run some older versions of applications, you can just extract the binaries from older firmwares, and use inception or other exploits to install them over the new binaries in PR1.3.
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Jordi is offline Jordi
2012-12-02 , 18:26
Posts: 400 | Thanked: 706 times | Joined on Jun 2011 @ Geneva - CH
#12
A reason to downgrade in Pr 1.2: to have a usable autocorrection for French
Fortunately, we have the Swype keyboard but it's a sad situation.
 
pali is offline pali
2012-12-02 , 22:26
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#13
Originally Posted by rainisto View Post
b) you use software downgrade exploit (which is not publicly available)
exploit for usb flasher?
bug in x-loader?
bug in nolo?
or somehow on device via inception?
 
Makeclick is offline Makeclick
2012-12-03 , 03:58
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#14
Originally Posted by rainisto View Post
Not possible is the default answer for marcaurell.

However it is possible if:
a) you have R&D certificate in your device (which only Nokia employees have)
b) you use software downgrade exploit (which is not publicly available)
It's not even possible in the Nokia factory , so i don't think, it will never happened. Been there done that... I think there could be some software to do so, but it's only available for Maemo/Meego team.
 
rlinfati is offline rlinfati
2012-12-03 , 05:08
Posts: 177 | Thanked: 199 times | Joined on Nov 2007 @ Concepcion, Chile
#15
Originally Posted by pali View Post
exploit for usb flasher?
bug in x-loader?
bug in nolo?
or somehow on device via inception?
design problem

you need be in normal mode (not open mode) and clean/erase the cert-sw..., and you can downgrade the APE side (not the CMT side)

http://mg.pov.lt/harmattan-irclog/%2...03-23T22:15:27

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pali is offline pali
2012-12-03 , 08:07
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#16
Ok, so what is stored in CAL key "cert-sw"?
 
eljonker is offline eljonker
2012-12-03 , 17:08
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#17
you need be in normal mode (not open mode) and clean/erase the cert-sw..., and you can downgrade the APE side (not the CMT side)
Can you share the guide to do that?
 
pali is offline pali
2012-12-03 , 17:21
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#18
In normal mode you have read&write access to CAL. So I think downgrade can be done with writing some old cert to CAL, then rebooting & flashing old version of fiasco.
 

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rlinfati is offline rlinfati
2012-12-04 , 03:42
Posts: 177 | Thanked: 199 times | Joined on Nov 2007 @ Concepcion, Chile
#19
Originally Posted by pali View Post
In normal mode you have read&write access to CAL. So I think downgrade can be done with writing some old cert to CAL, then rebooting & flashing old version of fiasco.
or write NULL using cal_write_block(...)
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eljonker is offline eljonker
2012-12-04 , 17:05
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#20
I have Dev environment, but I have not libcal-dev and I am not so experienced with C. Do you have binary of cal_write_block?
 

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