Some SMA solar devices use a unique WPA2-PSK password printed on the type label of the product, often specifically generated for that serial number. How to Recover a Forgotten Password
Most routers have a sticker on the back or bottom with the default SSID (network name) and Security Key (password).
If you see "MBZ3" on a sticker next to "SSID," you are dealing with a default configuration. The "Top" in your search likely refers to the "Top admin panel" or the "Top-tier security key" (WPA2/WPA3).
For non-rooted Android 10+, go to (Use QR code or "Password visible" toggle).