CompTIA · A+ 220-1202
Troubleshooting mobile OS and apps
A+ 220-1202 · Lesson 21 of 29 · 2:31:51
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In this lesson
Prepare for the CompTIA A+ Core 2 (220-1202) exam. In this lesson: apps that fail to launch, close, update, or install, slow apps, failed OS updates, battery life, random reboots, Bluetooth, Wi-Fi, NFC, and autorotate, and mobile security issues: unofficial stores, developer mode, root access and jailbreaks, spoofed apps, and their symptoms. Includes three original practice questions.
Preview the topics
- A dentist’s booking app crashes every time it opens, right after an OS update, while every other app works. What should the technician try first?
- Right after the user installed a free app from a website, a phone shows ads everywhere, sends a data-usage warning, and runs hot. What is most likely?
- Brightwave’s device management blocks a phone from reaching company email, because the phone is jailbroken. Why?