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WARNING: DO NOT UPGRADE your TI-83 Premium CE or TI-84 Plus CE to OS 5.5.1 and higher. It removes all compatibility with most games and removes ASM/C programming! DOWNGRADING IS IMPOSSIBLE. BE WARNED! Likewise, do NOT update your TI-Nspire CX past OS 4.5.0, else using Ndless and ASM/C programs will be impossible.

New TI-Nspire OS 4.0.3.29 with Boot2 4.0.3.49

Started by DJ Omnimaga, November 28, 2015, 07:19:30 am

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DJ Omnimaga

Warning: As always, do not install this OS if you want to continue using Ndless, even if one day, Ndless ever comes out for OS 4.0.

Texas Instruments will soon make available a new TI-Nspire OS, OS 4.0.3.29. As reported by TI-Planet, this OS offers the following feature: It still fits in the TI-Nspire CX memory. It also comes with Boot2 4.0.3.49, which is where the biggest changes take places it seems. Boot2 4.0.3.49 is 1.25 MB large instead of 1 MB and it comes with Boot1.5, meaning that the Nspire booting process now occurs in 4 steps rather than three. Could this be a new security measure? Or is it simply to protect the calculator against bricking more? In any case, it will most likely not support Ndless for months.

Source:
https://tiplanet.org/forum/viewtopic.php?p=192776#p192776
https://tiplanet.org/forum/viewtopic.php?p=192841#p192841

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