According to the hardware support list, D-link DIR-885L HW A1 is supported, therefore, I have acquired one in China, it clearly stated the HW revision is A1 but its WIFI is not supported with the original firmware 19.07.1
after I flashed the firmware in discovery mode , the wireless tab is not shown in the system. Checked wifi configuration and the file was empty. I found there's another driver for A2 hardware in the product page, I downloaded it, put it in the designated directory, restarted the router and my wifi appears.
but the driver doesn't work well. The 2.4g (radio0) can not be started most of the time, some time I alter the configuration of radio0 might bring it up, but even I've managed to find the SSID, I can't connect it. always prompt wrong password.
the 5g (radio1) is better. if I fix the channel, restart the router every time I change the configuration (even change password), it usually make the router works.
I think the Device sold in China is different from other area, the default firmware (which supports A1) doesn't support Chinese A1 hardware, the A2 firmware driver (BCM4366c) supports the Chinese A1 hardware but doesn't work well since the driver was dated 2017.
with this BCM4366C driver provided in A2 firmware, I can only have 5G fix Channel WPA2 security wifi service, it's usable, but all other function are not working, not even one.
I opened the router, tried to provide the chip information but the chips are covered by metal jacket and fixed to the mother board. I have manufacture's original latest firmware, I think the proper driver may be extracted from it but I'm not capable to do it. I can provide the file as requested. Can't post here, the file is too big.
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