![]() ![]() ![]() upgrade: repairing a calculator with a missing / damaged / wrong boot2 It's the same troubleshooting procedure as fixing calculators semi-bricked by the defective official OS 3. Now that you've screwed up, what can you do ? Your best hope is to gain access to / buy cheap external hardware equipment known as "USB / RS232 TTL adapter". Honestly, what more can we do ? One thing is sure: pulling tutorials and tools which have worked for hundreds of persons isn't going to happen You (involuntarily) disregarded both the tutorial's warnings in emphasis formatting, and the warning displayed by nsNandMgr when it starts and detects a CX calculator (I'm told nsNandMgr helpfully does that).ĮDIT: I have edited the text of that portion of the tutorial on TI-Planet to mention that if the calculator was bought in the 2013 BTS period or more recently, then it's unlikely to be suitable. That is much (more than a year) newer than the I hardware revision. However, your calculator has the O hardware revision, as you wrote in your first post. Applying the following instructions on a TI-Nspire CX with hardware revision J or above is going to brick it beyond repair by any software. Warning: If you're not sure of this, stop immediately and ask for help. P2) If your calculator belongs to the TI-Nspire CX family (last above entry) check if its hardware revision is A to I (last letter of the P-0000X code at the right of the serial number on the back) + TI-Nspire CX CAS, TI-Nspire CX-C, TI-Nspire CX-C CAS, TI-Nspire CX Chinese Edition, TI-Nspire CX CAS Chinese Edition + TI-Nspire CAS, TI-Nspire TouchPad, TI-Nspire CAS TouchPad P1) Check if your calculator is among the following models categories: ![]() Applying it won't work and may even brick your calculator permanently. Warning: If any of those checks is not ok, then this tutorial is not for you. Well, the tutorial clearly states (formatting reproduced): ![]()
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