P.Apple advisor: How to reset Apple ID password on iDevices.
Apple on its official support channel on YouTube has released a guide on how to reset Apple ID password on iPhone, iPad and iPod. To do this, go to the Settings application on a trusted and selected Device and select the tab with the field where our name and surname are. Then go to “Password & Security” select “Change Password” and enter your password. After that, it is enough to enter the new password twice. After confirming the change, you have to choose whether you want to log out of your account on other and Devices, or remain logged in all the time.