Practice 220-1202 Mobile OS and App Troubleshooting questions with full explanations on every answer.
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A technician is investigating a security incident where a user's corporate email account was accessed from an unknown device. The user's iPhone shows no suspicious apps, and the password was recently changed. Which of the following is the MOST likely cause?
2A user reports that their Android phone's battery drains rapidly after a recent app update. They have already tried restarting the device. Which of the following should a technician recommend FIRST to diagnose the issue?
3A technician is configuring a kiosk mode on a company-owned Android tablet for customer use. After enabling the dedicated device management app, the tablet still allows users to exit the kiosk app by pressing the home button. Which setting did the technician MOST likely overlook?
4A user reports that their Android phone's Bluetooth keeps disconnecting from their car's hands-free system. The technician has already cleared the Bluetooth cache and re-paired the devices. What should the technician do NEXT?
5A customer complains that their iPhone's Wi-Fi keeps disconnecting and reconnecting. They have already rebooted the phone and the router. Which of the following is the MOST likely cause?
6A technician is configuring a company-issued iPhone for a new employee. After setting up the email account, the employee says they cannot receive emails, but they can send them. Which setting should the technician check first?
7A user is unable to install a new app on their Android tablet because the device claims there is 'insufficient storage,' even though they have deleted several large files. What is the most likely reason for this error?
8A technician is troubleshooting an iPhone that fails to activate after a software update. The phone displays 'Activation Error' and the SIM card is known to be working. Which of the following steps should the technician perform FIRST?
9An employee's company-issued Android phone is suddenly displaying pop-up ads even when no browser is open. The employee claims they only downloaded apps from the official Google Play Store. Which of the following is the MOST likely cause?
10A user reports that their Android phone's screen is unresponsive to touch, but the buttons and notification LED still work. They have already performed a forced restart. What should the technician do NEXT?
11A user reports that their Android phone will not connect to their corporate Wi-Fi network, but other devices connect fine. They have forgotten the network and re-entered the password, but it still fails. What should you check first?
12A user reports that their iPhone's flashlight is not working, and the camera app shows a black screen. Other apps function normally. The device is up-to-date and has been restarted. What is the most likely hardware-related issue?
13A technician is troubleshooting an Android device that has a corporate email account configured. The user can send emails but cannot receive any. The email server uses IMAP. The technician has verified the username and password are correct. What should the technician check next?
14A technician is troubleshooting an Android phone that cannot send or receive SMS messages, but can make and receive calls and use mobile data. The phone is on a corporate plan with a new SIM card. What is the most likely cause?
15A user complains that their Android phone's battery drains extremely fast after a recent OS update. They have already tried restarting the device. What is the most likely cause and solution?
16A customer's iPhone is experiencing frequent app crashes and the device feels warm to the touch. They have not installed any new apps recently. What is the most likely cause?
17A user on an Android tablet reports that the Google Play Store is not downloading any apps, showing an error message about insufficient storage. The device's storage settings show 2GB free. What should you do first?
18A user's iPad will not rotate the screen when turned sideways, even though the rotation lock is off in the Control Center. The screen remains in portrait mode. What should you check next?
19During a corporate device deployment, a technician configures an iPhone for a new employee. The employee later reports that they cannot receive emails on the native Mail app, but can access the webmail interface in Safari. What is the most likely misconfiguration?
20A security incident is reported: an employee's company-issued Android phone is displaying persistent pop-up ads, even when no browser is open. The employee admits to side-loading a game from an unknown website. What is the most likely cause and best immediate action?
21A technician is troubleshooting an Android tablet that cannot connect to a corporate Wi-Fi network. Other devices connect fine. The tablet shows 'Saved, secured' but no IP address. What is the most likely cause?
22A user's iPhone 13 suddenly shows a black screen with a spinning gear icon after an iOS update. The device does not respond to touch or button presses. What is the most likely cause and the correct first step?
23A user reports that their corporate email app on an Android device is not syncing. They can browse the internet and use other apps normally. The account was working yesterday. What should you check first?
24A user's Android phone is running extremely slowly after installing a new launcher app. They want to revert to the default launcher without losing data. What is the correct procedure?
25A user complains that their Android phone's battery drains quickly after installing a new weather app. The phone is warm to the touch even when idle. What should you do to resolve this?
26A technician is troubleshooting an iPhone that repeatedly prompts for the Apple ID password even after entering it correctly. The device is not connected to any corporate MDM. What is the most likely cause?
27A small business owner wants to deploy a custom inventory app to five company-owned iPads. The app is not available on the App Store. Which method should you use to install it?
28A company deploys a custom app via MDM to Android devices. Users report that the app crashes immediately upon launch. The app works fine on the developer's test device. What is the most likely cause?
29A company's Android devices are failing to connect to the corporate email server after a security policy update. The devices show 'Authentication failed' for the email app. What is the most likely cause?
30A user reports that their iPad will not rotate the screen when they turn the device sideways. The rotation lock icon appears in the status bar. What is the most likely cause?
The Mobile OS and App Troubleshooting domain covers the key concepts tested in this area of the 220-1202 exam blueprint published by CompTIA. Courseiva provides free domain-focused practice, mock exams, missed-question review, and readiness tracking across all 220-1202 domains — no account required.
The Courseiva 220-1202 question bank contains 30 questions in the Mobile OS and App Troubleshooting domain. Click any question to see the full explanation and answer breakdown.
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