Question: how to change the password of your jiofi?
Answer: Get connected to your WiFi whose password you have to change.
Open browser.
Log on to 192.168.1.1 ( or open your jiofi remove the battery u would find a link. Log on to that)
Fill in the credentials ( default username: administrator password: administrator)
Go on to jiofi settings.
In place of key type your password.