How do I lock the phone for backup?

I understand that you would like to backup your iPhone. Here is how to perform a backup. Please follow the instructions on this link How to back up your iPhone, iPad, and iPod touch - Apple Support Choose the computer option in the link if you wish to backup to your computer OR choose the iCloud option if you wish to backup to iCloud. Good Luck.

Axel F.

Push the side button and put it to sleep.