Since a recent update to the tether app (don't know when exactly), the tether app is refusing the router admin password. I know the admin password is correct, as I am able to access the admin interfac

hi. so I got this device from my isp; https://service-provider.tp-link.com/home-wifi-system/hc220-g1/ and when I use the tether app on my iPhone. it detects the device but when I try to login to the d