A+ - 18B - Troubleshoot Mobile OS and App Software

What action should be taken if a mobile device is slow to respond?

• Installing more apps

• Rebooting the device

• Increasing screen brightness

• Clearing system cache

How can you force stop an app on an iOS device?

• Swipe up from the bottom

• Press and hold until it wiggles, then press X

• Double-tap the home button and swipe up

• Tap the square multitasking button

What is the purpose of clearing an app cache on a mobile device?

• Deleting the app

• Restoring default settings

• Freeing up storage space

• Removing app permissions

How can you uninstall an Android app?

• Swipe up from the bottom

• Tap and hold the app icon, then drag to uninstall

• Use the multitasking button to close the app, then uninstall

• 17. Press and hold the app icon, then select uninstall from the menu

What should you check if a mobile device screen does not autorotate?

• Enable rotation lock

• Ensure the device is fully charged

• Check for app updates

• 18. Reset the device to factory settings

How can you access Safe Mode on an Android device?

• Press and hold the power button

• Press and hold the volume up button during boot

• Tap the Safe Mode option in Settings

• 19. Shake the device vigorously

What could be a potential cause if a device randomly reboots?

• Overheating

• Low battery charge

• Faulty hardware

• All of the above

What might be an indication of a device being slow to respond?

• High battery charge

• Inadequate resources

• Throttling due to temperature

• Faulty hardware

What should be checked before initiating an OS update on a mobile device?

• Battery charge

• Internet connection

• Available storage

• All of the above

What is the purpose of Safe Mode on an Android device?

• Enhance performance

• Disable core services

• Disable third-party apps

• Test hardware faults