hi just instal archer ax10 from my carrier rcs-rds

it has a custom firmware made for them. the only option on the internet tab is pppoe,i plug the device login and made the internet connection,change the wifi ssid and password saved them. after trying to connect to the new ssid with the new password and it says wrong password,did factory default sereral times,same results.tried to connect after configure with three different devices iphone 11 ,iphone 6 , xiaomi mi note 10