Re: R700P Lost admin password
If password recovery does not help – you have to set it up first – then the only answer is a factory reset.
There is support for the R7000P, including a manual, somewhere at the end of this link:
See the section Erase the Current Configuration Settings.
My hardware Modem/routers: DM200, R7800, Orbi RBK30 Powerline: PL1000, XWN5001, XAVB5101, XWNB5201, XAVB5421 WiFi: WNDA3100 Switch: GS316-100UKS