Step-by-step to upgrading your HP Prime ROM

Procedure to update Bootloader and Firmware

  1. Download any of the following options:
  1. Reset calculator (with a paper clip through a pin hole button on back) while holding the “Symb” button (will display “recovery mode” screen).

  2. Connect the HP Prime to your PC via USB cable.

  3. Open the downloaded zip file and click on the " extract all file" label.

  4. Browse to the “Firmware” folder.

  5. Double click usbtool.exe to launch the software wizard. From version 2014.12.03 onwards, you need to use Prime Connectivity Kit to perform update. Go to Folder : ¬†Documents > HP Connectivity Kit. Drop the files into the “Firmware” sub-Folder.¬†“Image

  6. Click on the box to the left of Auto update to check it and then click on the Update button (see the figure below).

  7. Wait for the update to complete and then reboot the calculator.

  8. Press the [Help] key and then the “Tree” screen tab. And touch the “About HP Prime” screen option and then the “OK” screen tab. (show see the similar screen below).Hardware Version: A indicates that the HP Prime is NW2800AA. For HP part number G8X92AA unit, it will show as Version: B.

In terms of usage, both NW2800AA and G8X92AA are practically similar. G8X92 gain support for wireless unit-to-unit/unit-to-pc communication with optional HP Prime Wireless Kit and improve data streaming functionality.