Page Comparison

First enable the Developer Options menu by going into Settings / About phone, and tapping the build number 7 times.
Then go into Settings / Developer Options, and enable USB debugging.

1. Connect to the Wi-Fi network
2. Auto-rotate Bluetooth : Off (Portrait)
3. Localisation NFC : OffBrightness : 0%
4. Settings / Display :
   • Brightness level : 0 %
   • Adaptive brightness : Off
   Bluetooth
   • Sleep :
   Off
   • after 30m
   NFC
   • Screen rotation : Off
5. Sleep : 30mn timeout
6. Sound : Off
7. Disable quick launch camera
   • (Portrait)
8. Settings / Sound : Disable all sounds
9. Settings / System / Gestures : Disable Quick launch Camera
10. Disable notifications
11. Disable Google Assistant (Ok Google)
12. Settings / Battery :
    • Power saving mode : Off
    • Ultra Power saving mode : Off
    • App power saving / detail : Off
13. Lock screen Settings / Security :
    • Screen
    lock type
    • Lock : None
    • Location : Off
14. Settings / Security / Unknown sources : On
15. Chrome Settings / Home Page : Off
16. Other Security settings
    • Security policy update
      • Automatic update : Off
      • Wifi only : Off
17. Send security reports : Off
18. Usage data access
    • Google Play Services
      • Allow usage tracking : Off
    • Google Play Store
      • Allow usage tracking : Off
    • Smart Manager
      • Allow usage tracking : Off
19. Google Play (skip if no Google account is configured)
    - Notifications : Off
    - Auto Update apps : Off
    - Update Google services (otherwise the update popup will show up)