Xiaomi WiFi Router 4Q


A difference of this router is Qualcomm QCA9561 processor chip and case color.
I need to install own build firmware, from the source code.
At the moment, installed stock firmware: MiWiFi OS (Based on OpenWRT)
Initially, the stock firmware based on OpenWRT. But dont has the needed packages (for example: openvpn-mbedtls).
The question is, how to install compiled firmware over stock?

  1. Use squashfs-sysupgrade.bin in MiWiFi OS upgrade web interface?
  2. Or use UART? (https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=0c24b363a69d1445a280e41e5c33675be95295d1)

Thanks for responce!

Only the second option is supported.

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