hardMultiple Choice
220-1202 Practice Question: A user's Android phone is running extremely…
A 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?
⚠ Common exam trap
A common misconception is that uninstalling the new launcher is required to revert to the default launcher. In Android, uninstalling a launcher automatically reverts to the system default, but this removes the launcher app. The correct procedure to keep the launcher installed but not active is to change the default home app in Settings.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Go to Settings > Apps > Default apps > Home app and select the default launcher.
Android allows users to change the default home app via Settings > Apps > Default apps > Home app without uninstalling the new launcher or losing any data. This procedure simply reassigns the default launcher to the system's built-in launcher, preserving all installed apps, settings, and user data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Uninstall the new launcher app via the Play Store.
Why it's wrong here
Uninstalling the launcher leaves no default launcher selected, so the device may have no home screen until another is set. It is tempting because removing the culprit app seems logical, but the correct procedure is clearing the launcher's default preference in Settings.
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Perform a factory reset from Recovery Mode.
Why it's wrong here
A factory reset erases all user data, directly contradicting the requirement to keep data. It is tempting as a guaranteed fix for persistent slowness, and would be correct only when the device is unsalvageable and data loss is acceptable.
- ✓
Go to Settings > Apps > Default apps > Home app and select the default launcher.
Why this is correct
Android stores the default launcher as a user-selectable Home app preference, so switching it under Settings > Apps > Default apps > Home app reassigns the role without uninstalling the launcher or touching user data, satisfying the no-data-loss constraint.
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Clear the cache partition from Recovery Mode.
Why it's wrong here
Clearing the cache partition removes temporary system files, not the launcher's default-app preference, so the slow launcher remains active. It is tempting as a standard Android troubleshooting step, but it is correct for system sluggishness, not for reverting a default app.
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