CTRL + ALT + action key

EG: ctrl + alt + space = enter

ctrl + alt + right = move 

Go to the next item

Tab

Go to the previous item

Shift-Tab

Activate the selected item

Space bar

Go to the Home screen

Command-H

Open the App Switcher

Tab-A

Open Control Center

Tab-C

Open Notification Center

Tab-N

Show Help

Tab-H

06OCT22 - iPhone 8 ios 15.1 with Accessibility>Keyboard> Full Keyboard Access = Off

Home H
Enter Enter
Numbers Number Pad

iPhone 14 Pro ios 16.0.2 Needs USB accessories unlocked