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FX-7400GII OS 2.09 - where did it come from?

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FX-7400GII OS 2.09 - where did it come from?

Unread postby parrotgeek1 » 17 Jul 2020, 19:22

I see that there is an OS "2.09" for FX-7400GII here:
https://bible.planet-casio.com/common/c ... 400_g3/os/

This is strange to me because I thought that FX-7400GII had never been updated past 2.04.

Where did this come from? Does it have the battery indicator like 2.09?
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby Ti64CLi++ » 17 Jul 2020, 19:37

It must be some sort of mistake. If you look at the date, it says 2016, so even before OS 2.04.
Maybe it's a 2.03 with a typo ?

Edit : my bad, it's an official one. On planet-casio they said it's coming from the updater
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby critor » 17 Jul 2020, 21:09

2.09 was dumped from a Graph 25+E.
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby parrotgeek1 » 18 Jul 2020, 01:47

critor wrote:2.09 was dumped from a Graph 25+E.


So I assume nothing labeled 2.05 or higher exists for the international 7400? also, does it have a battery indicator?
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby critor » 18 Jul 2020, 19:32

Indeed, the higher preinstalled version on the fx-7400GII is 2.04.

The battery indicator is present on 2.05 and 2.09.
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby parrotgeek1 » 19 Jul 2020, 02:40

critor wrote:Indeed, the higher preinstalled version on the fx-7400GII is 2.04.

The battery indicator is present on 2.05 and 2.09.

So in theory it would be possible to install this OS on a 7400GII to get the exam mode and battery indicator?
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nLoaderCAS Patcher for ControlXnLaunchy CXM fork (3.9 CAS on B&W) - News ArticleTI-82 Advanced App Installer
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- Highlights: Nspire CX Non-CAS OS 3.3, CX & CX CAS OS 4.4 & 4.5 special reformatting installers (both found by me on TI's site)
Discoveries:
Boot1.5 vulnerability (used in nLoader) • Nspire dev boardsPink CX
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Re: FX-7400GII OS 2.09 - where did it come from?

Unread postby critor » 19 Jul 2020, 10:00

Yes, if fxRemote did support the fx-7400GII SH4...
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