Author Topic: Nleash for TI-Nspire OS 2.1  (Read 10500 times)

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Offline ExtendeD

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Nleash for TI-Nspire OS 2.1
« on: July 27, 2010, 06:14:34 pm »
There's a wave of OS 1.1 nostalgia with the release of OS 2.1...

-> Nleash v1.0

([edit] the link now points to ticalc.org's archives)

[edit] If this is not clear enough in the documentation: Do not try to downgrade a TouchPad TI-Nspire to OS 1.1 with a TouchPad keypad. You need a ClickPad keypad to run OS 1.1.
« Last Edit: July 29, 2010, 03:56:46 pm by ExtendeD »
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Offline yunhua98

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Re: Nleash for TI-Nspire OS 2.1
« Reply #1 on: July 27, 2010, 06:21:21 pm »
*cough*for those with no 1.1*cough*PM m3 with email*cough*

Mods feel free to edit if not appropriate to put in forum. -EDIT (DJ Omnimaga) The Game.

EDIT:  Nice job!  I think I'll get an Nspire now.  (instead of 89t)
can you downgrade from a touchpad 2.1?
« Last Edit: July 27, 2010, 06:50:41 pm by DJ Omnimaga »

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Offline ExtendeD

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Re: Nleash for TI-Nspire OS 2.1
« Reply #2 on: July 27, 2010, 06:27:39 pm »
Yes for non-CAS, with a classic ClickPad.
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Offline alberthrocks

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Re: Nleash for TI-Nspire OS 2.1
« Reply #3 on: July 27, 2010, 06:27:41 pm »
Oh wow.... I should've thought of that in the first place! :-o

I've just examined the TNS file, and surprise - a beautiful &&&&&&&&&& (censored against TI, but for those who know will know what I'm talking about),
which probably forces it to reinstall an OS.
(It's usually a dirty prank, but this turned out to be an exploit!)
I just wonder how the OS was able to open a standard zip file...

Anyway, great job ExtendeD! :D
« Last Edit: July 27, 2010, 07:21:32 pm by alberthrocks »
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Offline TC01

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Re: Nleash for TI-Nspire OS 2.1
« Reply #4 on: July 27, 2010, 06:33:07 pm »
Well done!

Does this mean that once OS 1.1 is installed, you could go back to, say, OS 1.3 (below 1.7) without running Nleash? Or would you need to run it again in order to change operating systems (to something below 1.7, that is)?



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Re: Nleash for TI-Nspire OS 2.1
« Reply #5 on: July 27, 2010, 06:37:01 pm »
As long as you don't reinstall OS 2.1, there's no downgrade protection.
This seems not to be true for TouchPad though: after an upgrade to OS 2.0, you may need to upgrade to OS 2.1 and run Nleash.
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Offline apcalc

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Re: Nleash for TI-Nspire OS 2.1
« Reply #6 on: July 27, 2010, 06:48:44 pm »
Beautiful ExtendeD!!!!!

This is an excellent attack against TI.  Remember TI, you can't stop us, we will always find a way around your evil attacks!


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Re: Nleash for TI-Nspire OS 2.1
« Reply #7 on: July 27, 2010, 06:51:53 pm »
This is good news.

I wonder if in the future there will be a way to run OS 1.1 on touchpad keyboards, with a program to remap the keys or something?
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Re: Nleash for TI-Nspire OS 2.1
« Reply #8 on: July 27, 2010, 07:33:59 pm »
Here's the TI-Bank news with photos and even a video -> http://ti.bank.free.fr/index.php?mod=news&ac=commentaires&id=844

It's a great day...

We just broke free from TI.

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Re: Nleash for TI-Nspire OS 2.1
« Reply #9 on: July 27, 2010, 07:36:57 pm »
Excellent work. :D
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Offline DJ Omnimaga

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Re: Nleash for TI-Nspire OS 2.1
« Reply #10 on: July 27, 2010, 07:38:53 pm »
Awesome critor!
In case you are wondering where I went, I left Omni back in 2015 to form CodeWalrus due to various reasons explained back then, but I stopped calc dev in 2016 and am now mostly active on the CW Discord server at https://discord.gg/cuZcfcF



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Offline TIfanx1999

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Re: Nleash for TI-Nspire OS 2.1
« Reply #11 on: July 27, 2010, 07:47:14 pm »
Great work guys! I knew an exploit would be found! ;D

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Re: Nleash for TI-Nspire OS 2.1
« Reply #12 on: July 28, 2010, 12:06:56 am »
This is great, not thazt I instaled 2.1 XD

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Re: Nleash for TI-Nspire OS 2.1
« Reply #13 on: July 28, 2010, 01:33:03 am »
Awesome news! Great pic cirtor, I'm lov'in it XD
I can't wait to get a nspire, hopefully it'll be soon :D

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Re: Nleash for TI-Nspire OS 2.1
« Reply #14 on: July 29, 2010, 08:53:33 am »
i tried this with the touchpad non-CAS with 2.0, and it keeps going through the start up over and over again. how can i put it back?