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Firmware Update Service for HP-15C Collector's Edition Calculator

Home > Students > Scientific Calculators > Hewlett Packard HP-15C Collector's Edition RPN Scientific Calculator > Firmware Update Service for HP-15C Collector's Edition Calculator

We can update the firmware on HP-15C Collector's Edition calculators as well as on HP-12C manufactured on or after 2015 and on HP-10BII+ calculators.

You can use this service to correct the DEC bug in HP-16C mode or change key debouncing time on the HP-15C Collector's Edition or to have us install your own custom firmware.

How It Works:

  1. Purchase this item.
  2. Purchase a calculator you want updated from us OR have us use yours.
  3. Indicate what you need done in the comments field on the order form.
  4. We'll email you shipping instructions when we process your order.
  5. Email us the firmware you need installed (if not simply correcting DEC bug and/or key debouncing time).
  6. We'll update the firmware and ship the updated calculator to you.


  • Firmware Updates are not manufacturer supported, come with risk of damaging the calculator, and are likely to void the manufacturer warranty. This service is intended for advanced users who understand what they want.
  • Custom firmware can brick the calculator - we will not be responsible for any damage except when performing DEC bug and/or key debouncing time corrections for the HP-15C Collector's Edition. Please make sure that the firmware you send us works. This service only saves you time and know-how - it does not transfer risk to us.
  • New firmware will replace the old firmware. You will need to purchase this service again if you want to put the original firmware back on.

Usually ships in 2-3 business days


Related Products
Hewlett Packard HP-15C Collector's Edition RPN Scientific Calculator
Hewlett Packard HP-15C Collector's Edition RPN Scientific Calculator

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