Fix MediaTek MT7921/MT7922 slow Wi-Fi on Linux: mac80211 'required MCSes not supported, disabling HT' caps the link at 54 Mbit/s on 4x4 ISP gateways. Patch restores full HT/VHT/HE (Wi-Fi 6) speed.
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Updated
May 30, 2026 - Shell
Fix MediaTek MT7921/MT7922 slow Wi-Fi on Linux: mac80211 'required MCSes not supported, disabling HT' caps the link at 54 Mbit/s on 4x4 ISP gateways. Patch restores full HT/VHT/HE (Wi-Fi 6) speed.
Mediatek MT7921 Network driver for windows.
Cross-distribution Linux DKMS fix for Bluetooth USB 13d3:3625 (IMC Networks / MediaTek MT7922, Mercusys MA80XE; hci0 error -110).
MediaTek MT79xx Wi-Fi drivers advertise the 802.11 RSN rekey offload capability in the wrong bit, so Windows never enables it and every AP group-key rotation wakes the machine from sleep. Root cause, evidence, and a one-byte fix.
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