I only got this in January when I switched to NBN - but have recently been moved to fibre and no longer require it. I can provide a copy of the original invoice upon request/sale. 

I have factory reset the unit. 

Please check out the DrayTek Vigor167 product page for more info. 

https://www.draytek.com.au/products/adsl-vdsl-modem-routers/vigor167/

Optional Pickup Canning Vale - WA.