how to change

[jvcotton18]

jio modem password and user name

 

[Gam3r01]

You log into your router and change them in there.
Is it safe to assume you dont have the current password?

 

[guanyu210379]

I assume you do not have access to that router,
Ask the owner or administrator who is in charge of that router!
We can not really help you with that.