For Android users: 1. Double press the power button to launch the camera. Go to 'Settings > Advanced Features' or 'Buttons and Gestures', then enable 'Quick launch camera'.
2. Volume button shortcut. Pressing and holding the volume‑down button for a second or two can open the camera app directly. Navigate to 'Settings > Buttons and Gestures' or 'Shortcut Keys'.
3. Lock screen camera icon. Swiping on the camera icon launches the camera app. Go to 'Settings > Lock Screen' and make sure the 'Camera' shortcut is turned on.
4. Gesture controls. Some Android phones support gestures such as twisting the wrist. Go to 'Settings > Gestures' or 'Motions and Gestures', and enable 'Quick launch camera' or a similar option.
For iPhone users: 1. Swipe left on the lock screen to open camera. This feature is always enabled by default and does not require additional setup.
2. Control centre camera icon. Go to 'Settings > Control Centre > Customize Controls', and ensure 'Camera' is added.
3. Voice activation. Enable “Hey Siri” by going to 'Settings > Siri & Search', then follow the prompts to set up voice commands.
4. Back tap feature. Navigate to 'Settings > Accessibility > Touch > Back Tap', then select 'Camera for double tap' or 'triple tap'.
Enabling and practicing these shortcuts ensures you are ready to take photos or videos whenever the need arises.