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Author Topic: New TI NSpire downgrade?  (Read 3759 times)

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Offline madman404

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New TI NSpire downgrade?
« on: September 16, 2017, 04:48:27 pm »
I haven't been able to find a thread on the matter that wasn't 2 years or more old. I have a CR4 TI Nspire (serial P-xxxxxA) that has min listed as 4.4.0.532
Is it possible to downgrade this calculator so all the ndless programs aren't running in compatibility mode? Is there even a benefit to doing such?
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Offline pbfy0

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Re: New TI NSpire downgrade?
« Reply #1 on: November 08, 2017, 10:08:48 pm »
Compatibility mode is entirely a hardware thing. TI switched the orientation of the LCD in memory, so programs that haven't been updated for Hardware revision W need to have some helper code redraw the screen in the correct orientation. Downgrading the OS won't get you anything.
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