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Flashcards: CompTIA A+ Core 1: Troubleshooting Mobile Devices
True or False: Mobile device batteries degrade over time
True
True or False: A swollen battery is an explosion risk
True
What should you do in the event of a faulty battery?
Stop using the device immediately and properly dispose of it
What is the first step in repairing a broken screen?
Backup the device
What are 4 possible causes of improper charging?
Bad cable, obstruction in the charging interface, damage of the charging interface, broken power adapter
Why might a cellular device have no signal?
It is most often determined by the availability of cellular networks in the area
What can you try in the event of Wi-Fi issues?
Reconfigure the channels
Define and describe LCI
A Liquid Contact Indicator is a substance present in many phones that indicates if liquid has infiltrated the device
What are the first 2 steps in dealing with a wet phone?
Power it down, remove everything possible
True or False: Rice is the best medium for drying a phone
False - Rice is marginally effective, silica gel is best
True or False: You should intermittently check the phone for functionality while it is drying
False - Wait at least a day before doing anything, the longer the better
What is the most common result of a phone overheating?
Shutting down
What should you try first in the event the digitizer is not working?
Hard reset
True or False: The charging/data port is modular and can be replaced
False - The port is integrated into the system board
What should you try to address cursor drift?
Run a touch calibration app