Things to consider

Set a reminder for your scheduled shoot

Charge your phone to at least 50% before the shoot

Connect your phone to a strong wifi

Eat and Sleep before your shoot to give you that camera-ready energy
Day of the shoot

Dress up and get yourself camera-ready

Find a well-lit room, preferably with a large window

Find a partner to hold your phone or find a spot to set it up, like a window sill

Close all your apps then open the Shutter App

Your photograper will connect with you, once prompted, click "Begin Session"

Grant Shutter App the necessary permissions

Your photographer will be guiding you through the entire virtual photoshoot

Once done, leave the app open for a few minutes to allow the photos to upload