When I first set it up out of the box the wireless name and password was a long string of numbers and letters.
After factory reset and completing setup from fresh again the wireless was Asus_10 (as per the screenshot). I was able to connect and perform a full speedtest (450+mbps). Seems like a bug?
I have now changed authentication method, entered password and set the SSID to hidden (it was hidden out of the box). Set channel bandwidth to 160MHz. Seems to be working fine with this set up.
Hide SSID: Yes
Channel bandwidth: 160MHz
Authentication Method: WPA/WPA2-Personal
Argos has made me the ‘best Dad in the world’ as my daughter just called me….. Managed to order the elusive Xbox Series X for pick up on Monday. Had nearly £450 worth of nectar and Argos vouchers, only paid £2.15 on the credit card. Bloody scalpers can go to hell……. 
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