MT7921 - mt7921au, mt7921, and mt7921k (AMD RZ608) chipsets

To install or update the firmware:

Go to the following site:

https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/mediatek

Click on WIFI_MT7961_patch_mcu_1_2_hdr.bin

Click on plain

Save file

Click on WIFI_RAM_CODE_MT7961_1.bin

Click on plain

Save file

If your adapter/card has Bluetooth support:

Click on BT_RAM_CODE_MT7961_1_2_hdr.bin

Click on plain

Save file

Create the needed directory (if necessary):

$ sudo mkdir /lib/firmware/mediatek
Copy the files to the following locations:

$ sudo cp WIFI_MT7961_patch_mcu_1_2_hdr.bin /lib/firmware/mediatek
$ sudo cp WIFI_RAM_CODE_MT7961_1.bin /lib/firmware/mediatek
$ sudo cp BT_RAM_CODE_MT7961_1_2_hdr.bin /lib/firmware/mediatek
Reboot:

$ sudo reboot