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Please I Need Help With Calc Fx-9750Gii

Started by brleoal , Mar 16 2014 06:43 AM
OS 9750

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#1 brleoal

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Posted 16 March 2014 - 06:43 AM

Hi everyone:

I make this post because I need help for my calc fx-9750GII.
Last a two days, I made and upgrade of OS from fx-9750GII to fx-9860GII
It works perfectly.

The problem is if I want to downgrade to the previous version (factory default) how can I do that, because I don't have a copy of the default OS (which is OS 2.02.0701)

Please, if anyone have this version on your calculators, can you send it to me to my email brleoal@gmail.com , I will appreciate this favor.

Thanks

#2 shinolife63

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Posted 21 March 2014 - 10:43 PM

Sorry to say this, but I don't believe there's any copies of the 9750's original flash out there, Ill try looking around though

#3 flyingfisch

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Posted 22 March 2014 - 07:36 PM

I definitely don't have it... maybe someone else around here does though, don't know.
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