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Welcome to ti 84 plus Questions and Answer. Feel free to ask any question related to ti 84 plus (or others texas instrument calculators or even HP or Casio calculators). You could also ask for help if you have sciences questions (math, physics ...) We provide help for ti-84-plus usage, programming, hardware, math...

Downgrade os 2.55 on ti 84 plus to 2.43

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How to downgrade 2.55 OS to 2.43 OS?

Is it really possible?

asked Sep 5, 2013 by anonymous

1 Answer

0 votes

You need to use this tool (unsigned from brian coventry): 
http://www.ticalc.org/archives/files/fileinfo/441/44190.html

 

answered Sep 9, 2013 by anonymous

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