Mobile Device App Troubleshooting Flashcards
1
Q
Dim display - Mobile Device App Troubleshooting
A
- Difficult to see the details, even in low light
- Check the brightness setting
- iOS: Settings / Display and brightness
- Android: Settings / Display / Brightness level
- Windows Phone: Settings / Brightness
- Replace the bad display - backlight issue
2
Q
Wireless connectivity - Mobile Device App Troubleshooting
A
- Intermittent connectivity
- Move closer to access point, try a different access point
- No wireless connectivity
- Check/Enable WiFi, check security key configuration
- Hard reset can restart wireless subsystem
- No Bluetooth connectivity
- Check/Enable Bluetooth, check/Pair Bluetooth component
- Hard reset to restart Bluetooth subsystem
3
Q
Cannot broadcast to monitor - Mobile Device App Troubleshooting
A
- Broadcast to a TV - Apple TV, Xbox, Playstation, Chromecast, etc.
- Check app requirements - Every broadcast device is different
- All devices must be on the same wireless network
- Signal strength is important
4
Q
Non-responsive touchscreen - Mobile Device App Troubleshooting
A
- Touchscreen completely black or touchscreen not responding
- Apple iOS restart
- Press power button, slide to power off, press power button
- Hold down power button and Home button for 10 seconds
- Android device restart
- Remove battery, put back in, power on
- Hold down power and volume down until restart
5
Q
App issues - Mobile Device App Troubleshooting
A
- Apps not loading, slow app performance
- Restart the phone - Hold power button, power off
- Stop the app and restart
- iPhone: Double-tap home bu on, slide app up
- Android: Settings/Apps, select app, Force stop
- Update the app - Get the latest version
6
Q
Unable to decrypt email - Mobile Device App Troubleshooting
A
- Built-in to corporate email systems
- Each user has a private key - You can’t decrypt without the key
- Install individual private keys on every mobile device
- Use a Mobile Device Manager (MDM)
7
Q
Short battery life - Mobile Device App Troubleshooting
A
- Bad reception - Always searching for signal
- Disable unnecessary features - 802.11 wireless, Bluetooth, GPS
- Check application battery usage
- iPhone: Settings/General/Usage
- Android: Settings/Battery
- Aging battery - There’s only so many recharges
8
Q
Overheating - Mobile Device App Troubleshooting
A
- Phone will automatically shut down to avoid damage
- Charging/discharging the battery, CPU usage, display light
- Check app usage - Some apps can use a lot of CPU
- Avoid direct sunlight - Quickly overheats
9
Q
Frozen system - Mobile Device App Troubleshooting
A
- Nothing works - No screen or button response
- Soft reset - Hold power down and turn off
- Hard reset
- iOS: Hold power and home button for 10 seconds
- Android: Various combinations of power, home, and volume
- Ongoing problems may require a factory reset
10
Q
No sound from speakers - Mobile Device App Troubleshooting
A
- No sound from a particular app
- Check volume settings - Both app and phone settings
- Bad software / delete and reload
- Try headphones
- Sound starts but then stops
- Dueling apps / keep app in foreground
- No speaker sound from any app (no alarm, no music, no audio)
- Load latest software
- Factory reset
11
Q
Inaccurate touch screen response - Mobile Device App Troubleshooting
A
- Screen responds incorrectly or is unresponsive
- Close some apps - Low memory can cause resource contention
- Restart the device - Soft reset, unless a hard reset is required
- May require a hardware x - Replace the digitizer / reseat cables
12
Q
System lockout - Mobile Device App Troubleshooting
A
- Too many incorrect unlock attempts
- iOS: Erases the phone a er 10 failed attempts
- Android: Locks or wipes the phone after failed attempts
- Windows Phone: Locks after failed attempts
