0xffff software package provides Open Free Fiasco Firmware Flasher, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install 0xffff
0xffff is installed in your system.
Make ensure the 0xffff package were installed using the commands given below,
$ sudo dpkg-query -l | grep 0xffff *
You will get with 0xffff package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Miscellaneous |
| Package | 0xffff |
| Version | 0.6.1-3 |
| Description | Open Free Fiasco Firmware Flasher |
| Sub Section | Miscellaneous |