Practice 220-1201 Mobile Device Application Support questions with full explanations on every answer.
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A user reports that after a recent iOS update, their banking app crashes every time they try to log in. Other apps work fine. The app was working before the update. What is the most likely cause and solution?
2A user on a corporate iPhone cannot receive push notifications from the company's email app, even though notifications are enabled in the app settings. Other apps on the phone receive notifications normally. What should the technician check first?
3A technician is configuring a company-issued Android tablet for a field worker. The worker needs to use a specific business app that requires location access to log job sites. What should the technician do to ensure the app works correctly?
4A user complains that their iOS device's screen brightness automatically dims when using a particular streaming app, but stays normal with other apps. The auto-brightness setting is enabled. What is the most likely reason?
5A user reports that their Android phone will not install an app from the Google Play Store. The device has plenty of storage space and a strong internet connection. What is the most likely cause of this issue?
6A company uses a custom Android app that stores data locally. After a recent OS update, the app fails to write data to the internal storage, but it can read existing data. The app has all necessary permissions. What is the most likely cause?
7A customer brings in an iPhone that is running iOS 15 and complains that a newly released app crashes immediately upon launch. The app requires iOS 16 or later. What is the best solution?
8A technician is setting up a kiosk mode on an Android tablet for a retail display. The tablet will run a single app that customers use to browse products. After enabling kiosk mode via a third-party app, the tablet reboots and the kiosk app does not start automatically. What should the technician verify?
9A technician is deploying a new Android app across several company tablets. The app requires access to the device's camera to scan barcodes. During testing, the app fails to open the camera on one tablet but works on others. What is the most likely cause?
10A user reports that after installing a new app on their Android phone, the device has become noticeably slower and the battery drains faster. What is the most likely cause?
11A user reports that their iPad will not rotate the screen when the device is turned sideways, even though rotation lock is off. The issue started after a recent iOS update. What is the most likely cause?
12A user's iPhone 14 cannot make or receive calls, but can send iMessages and use the internet. The user has not changed any settings recently. What is the most likely cause?
13A user's Android phone is running slowly and frequently shows 'App not responding' messages. The user has not installed any new apps recently. What should a technician do first?
14A technician is setting up a new Android tablet for a point-of-sale system. The tablet must stay on and connected to Wi-Fi at all times, even when the screen is off. Which setting should the technician adjust?
15A technician is configuring a corporate iPhone for a new executive. The user needs to access company email, calendar, and contacts, but the company requires that all data be encrypted and the device be remotely wipeable. Which configuration step is essential?
16A technician is deploying 50 company-owned Android tablets for field workers. The tablets must only run a single custom business app and prevent users from accessing any other apps or settings. Which configuration method should the technician use?
17A customer reports that their Android phone's email app crashes whenever they try to open an attachment from a work email. The app worked fine last week. What is the most likely cause of this issue?
18A technician is troubleshooting an Android phone that fails to connect to a corporate Wi-Fi network using WPA2-Enterprise with PEAP. The phone connects to other Wi-Fi networks without issue. What is the most likely cause?
19A user reports that their Android phone's battery drains quickly after installing a new social media app. The phone worked fine before. What is the most efficient first troubleshooting step?
20A user has an iPhone that will not install a new app from the App Store, displaying a message that the app is 'unable to be installed'. The device has plenty of free storage. What should a technician check first?
21A technician is setting up a Windows 10 tablet for a field worker who needs to use a legacy line-of-business (LOB) app that only runs in 32-bit mode. The tablet has a 64-bit processor and Windows 10 Pro. How should the technician ensure the app runs correctly?
22A user reports that their iPad's Safari browser crashes immediately upon opening, but other apps work fine. They have already restarted the device. What should the technician do next?
23A user reports that their iPhone's Maps app shows incorrect GPS location, often placing them several blocks away. Other location-based apps like Uber work correctly. What is the most likely cause?
24A customer calls stating that their Android phone's messaging app is not receiving SMS messages from one specific contact, but all other contacts work. The phone has good signal strength. What is the most likely cause?
25A technician is troubleshooting an iPhone that cannot install or update any apps from the App Store. The device is connected to Wi-Fi, and other internet services (Safari, email) work. What should the technician check first?
26A user reports that their Android tablet frequently crashes when using a specific note-taking app, but other apps work fine. They have already cleared the app cache and data. What should you do next to resolve the issue?
27A user reports that their Android tablet's screen flickers when using a specific video streaming app, but the screen is stable in other apps and on the home screen. What hardware component is most likely at fault?
28A technician is deploying several Android tablets for use as point-of-sale (POS) terminals. The tablets must run a custom POS app in kiosk mode, preventing users from accessing other apps or settings. Which configuration method should the technician use?
29A technician is configuring a company-issued Android phone for a remote employee. The employee needs to access corporate email via the Gmail app and use a VPN for secure connections. After setup, the user cannot send emails from the Gmail app, but can receive them. What should the technician check first?
30A customer complains that their iOS device's calendar app no longer syncs with their work Exchange account after a recent iOS update. Other email and contacts sync correctly. What is the most likely cause?
The Mobile Device Application Support domain covers the key concepts tested in this area of the 220-1201 exam blueprint published by CompTIA. Courseiva provides free domain-focused practice, mock exams, missed-question review, and readiness tracking across all 220-1201 domains — no account required.
The Courseiva 220-1201 question bank contains 30 questions in the Mobile Device Application Support domain. Click any question to see the full explanation and answer breakdown.
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