+-------------------------+ | TI-Nspire Boot1 Flasher | +-------------------------+ for Ndless 3.1 or compatible ***** WARNING: programming a bad Boot1 image will brick your TI-Nspire permanently ***** Lets you reprogram the Boot1 in your TI-Nspire SST 39WF400A Flash-NOR chip. Can be used directly on any TI-Nspire where that chip is present and not set to read-only: - TI-XXXXXXXXXXX DVT 1.2 prototypes - TI-Nspire DVT 2.0 prototypes Some production TI-Nspire include that chip but set it to read-only: - TI-Nspire (1st hardware version) - TI-Nspire hardware revision A (2nd hardware version) You first need to mod your TI-Nspire hardware in order to make the chip writeable. Then you'll be able to reprogram the Boot1.