GNU/Linux Debian Bullseye Installing MediaTek MT7921 Driver Guide
Hi! This tutorial will guide you step-by-step on How to Install Ralink/MediaTek Filogic 320 MT7921 WiFi/Bluetooth Wireless Driver in Debian Bullseye 11.x GNU/Linux.
And to make use of the Latest MediaTek MT76 Driver on Debian Bullseye it’s enough to dispose of an Updated Linux Kernel.
After a Kernel Upgrade, it is Strongly Recommended to Immediately Proceed with a Firmware Update to Ensure Hardware Compatibility and Optimal Performance. Follow this Guide: How to Update Linux Firmware on GNU/Linux Distros.
Especially relevant: this Driver is supplied from Linux 4.19 but some important Connection Issues has been fixed only starting from the 5.4.1 Kernel release.
Finally, this Setup is valid for all the Debian-based Distros like:
- Kali
- MX Linux
- Deepin
- Parrot
- antiX
- SparkyLinux
- Q4OS
- Netrunner
- Voyager
- MakuluLinux
- Elive
- LMDE
- Devuan (You may just need to Discover what’s the Parent Release)

How to Update MediaTek MT7921 Driver in Debian Bullseye