What is the default password for WIFI on ER605 device

What is the default password for WIFI on ER605 device

1. Wi-Fi 2.4G access point enabled, SSID: Prefixed with "ER605-", followed by the last 6 digits of the wireless MAC address.

2. Wi-Fi 5G access point enabled, SSID: Prefixed with "ER605-5G-", followed by the last 6 digits of the wireless MAC address.

3. The authentication method is WPA2-PSK.

4. The password for both is the last 8 digits of the serial number.