3/5/2024 0 Comments Ti nspire os 4.5.0 download![]() ![]() If you want to use Ndless or Nlaunch, we'd advise you to give up on purchasing a brand new TI-Nspire CX and to look for it on the second-hand market. In conclusion, the new TI-Nspire CX sold from now on are completely closed, with no known way to install Ndless or Nlaunch up to date. ![]() But managing to make its own older version of the code crash instead of giving you a clear and related error message is not very clean from my point of view - it just looks like a dirty hack - we were used to much cleaner protections so far. Up to date, we do not know exactly what it is So basically, Texas Instruments just invented us a new antidowngrade protection, "Boot2 antidowngrade protection". So, Texas Instruments did probably change something on the new TI-Nspire CX, something that is managed properly by the new 3.2.4 Boot2 but not the old 3.1 Boot2. But it's obviously still intact, as when flashing back the original 3.2.4 Boot2 the TI-Nspire CX boots successfuly. It's an error that has to do with the file system. The boot2 fails on a non-recoverable error (System Error) and the RS232 console tells us a little more with the "BOOT2 Error: posix_file_init() error".
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