I have a "TP-Link Archer C6 v4.0" here.
This is currently not supported by OpenWRT.
Can someone help me to adjust the firmware?
The CPU is a TP-Link TP1900BN, an ARM CPU
The network chip Realtek RTL8397S
The WLAN chips: Mediatek MT7762N and MT7761N
The flash memory is 8 Mbytes
I have a serial connection to the chip.
That's a Mediatek CPU also marketed as MT7626. I'm not sure about its current support status, but you will have a real limit with the 32MiB DRAM. See also this thread for a similar device: TP-LINK Archer C80(2020) - will it be supported?
This is recurring request. analysis of non-linux cloud-edge firmware:
If the device was 1:1 other device except half flash it could have been mashed together to save confusion BUT this device is not even similar to any supported....