Step One: Disabling Lock Screen (Temporarily)
Open Settings
Navigate to Security > Lock Screen
Set Lock Screen to "None"
NOTE: This step is temporary. A lockscreen code can be enabled after the appointment.
Step Two: Disabling Play Protect
Open the Google Play Store app
Navigate to Menu > Play Protect
Select the Settings gear in the top right corner
Turn OFF "Scan Apps With Play Protect"
Step Three: Downloading Rescue Plus
Open the Google Play Store app
Select the "Search" button and enter "Rescue Plus"
Install the application
Final Step: Enabling Accessibility
Open the Settings app
Navigate to Accessibility > Installed Apps > Rescue
Toggle on the Rescue app