Thanks @IrvSp for your responses.

@lesm SOLVED! A friend of mine owner of a computer store sent me an Archer AX50 that he had on display. And you know what? IT WORKED OUT OF THE BOX! Of course I sent payment right away. I can only...

@IrvSp Oh yes, I wasn't clear enough, but in the end you got the idea Thanks for the suggestion.

@IrvSp I can compare two binary files but that's not the idea. What I'm asking for is a way to convert the binary backup file into an ascii xml file like those in old routers. i.e. this backup file...

Thanks for your reply but no SSID are different for both units.

For long time I have used an AX3000 along with a TD-W8968 as modem. All my devices worked OK but recently the ADSL speed dropped, so I asked another provider to install FTTH. They installed a Huawei...