3.4 Troubleshooting Mobile Issues Flashcards
What is the first thing you should try if a mobile device is having issues?
Reboot the device. If this doesn’t solve the problem, reboot into safe mode (if on Android)
If your phone doesn’t work after a basic reboot, but does work after rebooting into safe mode, what is likely the problem?
A third-party app
Compare a device rest and a factory reset
Device reset closes all open apps and clears the memory, whereas a factory reset erases all data, applications and settings
What is a common reason an OS update may fail?
The device is too old to support updates/does not have minimum hardware requirements for the version of the OS
Other than device incompatiblity or age, give four other possible reasons a mobile OS update may fail.
- Not enough power to install update
- Network connectivity issues
- Server may be busy
- Not enough storage space available
Give three reasons why a mobile device may randomly reboot or have slow response times
- Overheating
- Low battery
- Faulty hardware component
What are three easy things to check if an application is not launching/not operationg properly?
- Clear the cache for that app
- Verify the app works on your version of the OS
- Check storage space on device
What physical external factor can reduce the distance a signal can travel from a smartphone?
Using a thick protective case
Provide a quick fix for when Bluetooth isn’t connecting to an external device
Forget the BT device, then re-add and re-pair
What temperature range should electronic devices be kept within?
10-38 Celsius
How long do mobile device batteries usually last?
3-5 years
What percentage should you let the battery drain to before recharging to increase its lifespan?
20%
How does smart charge work?
It provides a slow trickle charge to the battery to extend its lifespan
Where would you go to turn rotation lock on/off in Android and iOS, respectively?
Android - Notification drawer (swipe down on status bar)
iOS - Control center (swipe up if iPhone has home button, swipe down from top-right screen corner if iPhone has face ID)
If rotation lock is enabled, what could be stopping the screen from autorotating?
A defective accelerometer or motion sensor
