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Messages - critor

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811
News / Re: Reflash your Nspire Boot2 without RS232!!!
« on: March 15, 2012, 06:58:20 pm »
Does this mean users of black-and-white Nspires can downgrade their OS back to 2.x and 1.x if they want to?

Yes, without having to buy anything this time :)

812
News / Reflash your Nspire Boot2 without RS232!!!
« on: March 15, 2012, 03:06:45 am »
We did it again again!!! :love:



As it is of some use to upgrade development Nspire handhelds (prototypes) into production ones, Bsl as a developer and me as a tester have released Boot2Flasher, a tool similar to the DiagsFlasher we released in a previous news.

No need to deal with an RS232 interface anymore! By just pressing a single key you can freely upgrade/downgrade your Boot2, flash a production Boot2 on prototypes, flash a development Boot2 on production models, flash a Boot2 from another model, flash a modified Boot2, flash a 3rd-party Boot2... Possibilities are endless! ;D

Of course, be sure of what you are doing, because if your Boot1 does reject your Boot2, you'll end up needing the RS232 interface!...


Tested on more than 20 calculators without a single bricking.

For example, Nspire TouchPad handhelds come with Boot2 1.4. Here is  one I've downgraded to Boot2 1.1:




For now, you can only use it on ClickPad/TouchPad Nspire with OS 1.7 or 2.0.1 (Ndless 2.0).
An update will be needed for Ndless 3.1 and CX calculators, but the hard part of the work is done :)



Download from the TI-Planet news:
http://tiplanet.org/forum/viewtopic.php?t=8892

813
News / Secret Nspire OS popups!
« on: March 14, 2012, 03:59:51 pm »
Cross-posting from TI-Planet.

Levak has just discovered hidden popups in the TI-Nspire OS. As far as we know, it's not possible to access them officially, but you can with Ndless.
They might be kept in the OS for future updates, or for TI developers use.






So we discover that the Nspire Navigator Cradles (WiFi) can be updated, and that the clock frequency can apparently be stored in the battery...

We could then imagine that TI has special batteries which trigger strange things when put in a TI-Nspire...



More secret popups in the TI-Planet news:
http://tiplanet.org/forum/viewtopic.php?f=43&t=8903&p=121753#p121750

814
TI-Nspire / Re: OSLauncher 3.1
« on: March 14, 2012, 01:48:35 am »
ANOTHER EDIT:
No os I have tried so far works. Even non-cas os.
I feel sorry for myself that all os freeze at the clock screen. Everybody else is getting oslauncher working, why can't I? Maybe it's because I have 50% battery life left, or maybe oslauncher is messed up, or I forgot to noverclock my nspire?

As allready reported in the previous page, the hot-launched OS is going to freeze at the clock screen with a probability of 95%.

So it's perfectly normal.

815
News / Re: Mod your prototype Nspire into a production one
« on: March 11, 2012, 12:10:52 pm »
We're almost at it, people!

All modding tools have now been released on TI-Planet, and the tutorial is going to be released soon. :D



What was the trick?
On Nspire prototypes, the Boot1 can be erased and reprogrammed because of just one additional pin connected.



More infos and bigger photos in the TI-Planet news:
http://tiplanet.org/forum/viewtopic.php?p=121649#p121649



Just imagine what could be achieved on production Nspire if someone managed to connect that pin...

816
TI-Nspire / Re: OSLauncher 3.1
« on: March 10, 2012, 12:02:28 pm »
Basically my code works, I can launch DummyOS and it works fine, but OS 3.1 CAS reboots.

Yes, OS 3.1 CAS does reboot when hot-launched by OSlauncher.

But previous OSes don't.

So you can perfectly run and use an older CAS OS.
I've made successfull tests with CAS versions 2.0.0, 2.0.1, 3.0.1, and 3.0.2.



Check the TI-Planet news for more information and bigger photos:
http://tiplanet.org/forum/viewtopic.php?f=43&t=8886

817
Sorry, but I can't deal with x86 assembly. :(

818
News / Re: OS 3.2 blocks Ndless
« on: March 04, 2012, 04:48:55 pm »
Don't be too fast at saying nDoom is not interesting for teachers.

Anybody wondering  how it works is going to find out very interesting trigonometry equations :)

819
News / Re: OS 3.2 blocks Ndless
« on: March 03, 2012, 05:35:35 pm »
Oh, guess what... less than 24h after the announcement of Ndless being blocked, a version of imgdump, with support for CX and CM models, appeared at http://tiplanet.org/forum/archives_voir.php?id=4148 .
Maybe a consequence of the announcement ? :D



Note that the imgdump tool uploaded to TI-Planet doesn't include the keys.
Meaning that it's useless but legal for now.

And note the OSlauncher tool just doesn't work on OS 3.1, even on classic Nspire for an unknown reason up to now (I just tried in order to be able to tell TI that there was no danger in January, hoping that they wouldn't block Ndless - I didn't dig into it). So imgdump alone is even more useless.

Maybe the uploader just wanted to send a warning to TI: "we've got working code, we know the keys, we add them and you're in trouble".



If it were me, I wouldn't have sent a warning this way, but I think that after completly failing to make TI understand our message, I have no right to judge such (desperate?) actions.

We might discuss of removing the file when Adriweb gets back... as it's simply useless. Just download it for now.

820
News / Re: OS 3.2 blocks Ndless
« on: March 03, 2012, 12:43:18 pm »
Might be why we didn't convince them.

821
News / Re: OS 3.2 blocks Ndless
« on: March 03, 2012, 12:37:07 pm »
Can't calcs sites like here, TI-Planet, Cemetech and such simply continue to not provide direct ways to bypass PTT and ways to run a CAS on non-CAS models on recent OSes? If Ndless is allowed but we don't bother porting OSLauncher for Ndless 3.1 and we don't publicly provide Ndless 3.1 compatible software to remove PTT or even performs fake reset/reboot screens, then TI is safe because pretty much all Ndless-related tools comes from the TI community and since most calc users are illiterate about Ndless programming, they'll never bother creating such program themselves to cheat.

Over here we never really help people who needs to run OSLauncher and instead we tell them they should do more effort at tests and not cheat. On ticalc.org they reject fake 83+ reset programs.

Well, that's exactly what we've tried... Seems not developping/releasing/mentionning/explaining such tools is not enough for TI.

822
News / Re: OS 3.2 blocks Ndless
« on: March 03, 2012, 11:50:41 am »
it will probably even belittle way before the actual release of the OS - because having to spend time upgrading our work to newer OS versions is very demotivating of a task...


Indeed... I'm currently completely demotivated at working on mViewer / nDoom, which still have minor bugs, knowing that those programs will probably become unusable for most Nspire users after the summer.

And I'm not the only one to be demotivated. The more hours we spent on Ndless, the more demotivated we probably are...
The "OS update blocking Ndless -> Ndless update using different flaws -> OS update blocking Ndless" cycle is exhausting.

823
Casio Calculators / Re: Casio's Response to My Suggestions
« on: March 03, 2012, 09:49:49 am »
Let's all migrate from TI to Casio! :P

824
News / Re: OS 3.2 blocks Ndless
« on: March 03, 2012, 09:23:42 am »
And the chances for such tools to be written just got much higher...

825
News / OS 3.2 blocks Ndless
« on: March 03, 2012, 06:40:00 am »
Since may 2011, the TI-Planet admin team (Adriweb, Levak, Lionel Debroux and me) has had privileged contacts with TI, but didn't stop working/newsing on Ndless and related things. We didn't sell our souls but tried to make everyone benefit from those contacts, both the TI community and TI.

It seems that we failed at trying to give TI a different opinion of the TI community, we have to admit it. :'(



Adriweb from the TI-Planet admins is currently in Chicago for the T3 conference and met Melendy Lovett, the 2nd most important person in TI.

Melendy Lovett told him they had to block Ndless to avoid having to deal with tools which for example, would run a CAS OS on a non-CAS Nspire, or which would attack the PTT mode.
(edit by Adriweb : These are examples that I myself refer to, I don't think she was the one to bring these examples in.
What she insisted on, and I think it's fair to write about this here, in order to have some objectivity, is that TI is liked "ruled" by its clients, and its main clients are teachers and schools. Meaning that they have to make what teachers want, and they listen to teachers and what they say. Since TI and the teachers are really close, TI can't really allow multiple opposite "development directions", and rather than do as what the community would like, they have to align with what the teachers want, most often. The thing is that there is a real trust relationship between TI and the teachers, and TI thus can't lose this trust by providing tools/devices that can (in the bad case, but since it's a possibility that cannot be marginal, it has to be said) not be trusted because some people can crack it and do things they normally wouldn't be able to do. As teachers want to feel safe about TI products, TI has to provide such products, that's why they try to block Ndless at each update : "protect the teachers" to avoid losing the trust they have established.)


Except that no such tools exists. Did she forget everything that happened (or didn't happen) between TI and its community in the last 10 months?

The OSlauncher from Ndless2 from may 2011 just doesn't run with Ndless3, and no tool I know of has ever attacked the PTT mode on the TI-Nspire.



The TI community hasn't released such tools.
So are we accused of what we haven't done?

In my opinion, blocking Ndless for such reasons a mistake. Such blocking might bring hate on most TI forums in the world... And, it wouldn't surprise me if some people started to develop and release such similar tools now...



Be very careful when OS 3.2 is released, as it might upgrade your calculator without asking for your advice - indeed a "force update" option in the TI-Nspire software update request reply has been discovered, and has allways been set to "no" up to now.



See this TI-Planet news about Ndless 3.1 being blocked in OS 3.2:
http://tiplanet.org/forum/viewtopic.php?p=121287#p121287



It's a sad day for the TI commmunity, as no way has been found up to now to Ndless OSes 3.0.1/3.0.2.
Meaning that TI might be very close to a secure OS, and just made a little error in the 3.1.0 OS update code.

If that error is fixed in OS 3.2 and if downgrading is blocked, that would mean that Ndless would disappear for months, years, or even forever.

As it still might be possible to downgrade classic Nspire to 3.1 by keeping (or reinstalling) Boot2 1.4 with TNOC or an RS232 interface, there is no such trick to bypass the downgrade protection without Ndless on a  CX Nspire as far as I know.



What can we do?
Maybe just write to TI.

The message that should have been read by Melendy and her team can be found below:
http://tiplanet.org/forum/download/file.php?id=127

Seems our message was not understood - so knowing what didn't work, you could try sending them different messages which could work.
It's our last hope: we have something like 2-3 months to convince them.

UPDATE (by DJ): Removed broken image link (and hoping this OS doesn't contain this)

UPDATE (by critor): Fixed broken image link.

Update (by Adriweb) :
Here's a photo of me (and Peter Balyta). You can see my TI-planet T-shirt  :P



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