If you’ve forgotten your iPhone backup password, or if you want to change your backup password for security reasons, you can do so by following these instructions.
First, make sure you have a computer with iTunes installed.
Then, connect your iPhone to your computer and open iTunes.
In the top left corner of the iTunes window, click on the iPhone icon.
Scroll down to the Backups section and click on the Manage button.
In the Backups window, click on the …
