![]() ![]() I guess we'll see with OS 3.10.0 (I doubt they'll call it 4. Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: DJ Omnimaga Date: December 30, 2014, 11:52:25 PM It's possible as well, although TI is normally quick on the lockdown trigger. They probably just had to adapt some things in the downgrade utility to make it compatible (ie, code offsets and such). I’ve seen students reverse these two a lot, and I think this will definitely reduce confusion. It just means that the exploit was completely unknown when the OS was built so chances that TI fixed it in there are small. In a spreadsheet, the Nspire dev team added small icons, a label and an equal sign, to make it clearer where to name a column and where to put the formula for a column. Maybe TI-Planet just found a new exploit that TI just can't figure out? Nope. Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: Streetwalrus Date: December 30, 2014, 08:16:14 PM Quote from: DJ Omnimaga on December 29, 2014, 11:11:13 PM True, but the timespan between its release and the downgrade utility seemed much shorter than with OS 3.9 and others to me. Critor tried to trigger it in various ways, to no avail. Suck it, TI Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: Eiyeron Date: December 30, 2014, 12:56:53 PM What about the self destruction sequence? Is there any news about such a routine? Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: DJ Omnimaga Date: December 30, 2014, 04:41:00 PM Not yet. Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: aeTIos Date: December 30, 2014, 09:15:19 AM That's really quick. ![]() Maybe TI-Planet just found a new exploit that TI just can't figure out? Also being able to downgrade this easily means that the team doesn't need to invest as much time into Ndless 3.9 or 3.9.1, as people can simply downgrade to 3.1 or 3.6 if they want to use it. Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: DJ Omnimaga Date: December 29, 2014, 11:11:13 PM True, but the timespan between its release and the downgrade utility seemed much shorter than with OS 3.9 and others to me. But yeah, basically if you were stuck on OS 3.9.1 (which isn't even available on TI servers yet, but is starting to appear on new calcs), then you can now go back to 3.6 and use Ndless! You can download the utility here: DowngradeFix 3.9 And read the tutorial here: Re: Nspire OS 3.9.1 can now be downgraded (already) :D By: Streetwalrus Date: December 29, 2014, 09:19:09 PM Well the os was built a while ago, long before ti planet released the downgrade utility. However, no CAS nor Clickpad/Touchpad support yet: Just regular TI-Nspire CX. Need to downgrade my TI-Nspire CX II from 6.0.3.374 to 5.3.0.564. I suspect there wasn't much changes in the OS or TI didn't try much harder to find a new way to block downgrades. Need to downgrade my TI-Nspire CX II from 6.0.3.374 to 5.3.0. Nspire OS 3.9.1 can now be downgraded (already) :D By: DJ Omnimaga Date: December 28, 2014, 12:14:26 PM See original post on TI-Planet: Looks like this one downgrade didn't took as long to come out.
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