Xiaomi Mi Router 4C, MAC, WIFI stability

Xiaomi Mi Router 4C change last symbol for MAC address on WAN interface.
I have to spend time to change it to default as my provider uses MAC white list.

Also I was dissapointed by wifi stability and speed
looks like some firmware is missing.
after I installed some extra kmod-mt76 driver and iw instead of iw-mini it baecame better.
but still it's not perfect

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