wps connect advanced is the app you need to check your router
With this wps connect advanced app, you can connect to WiFi networks with WPS protocol.
activated. This feature was only available in version 4.1.2 of Android.
PIN codes are calculated with many algorithms: most adsl routers are supported
Supported Android
{5.0 and UP}
Supported Android Version:-
Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)