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How to Backup Data When Touchscreen Is Unresponsive

A user's smartphone has a cracked screen that is still partially functional, but the touch input does not work in the cracked area. The user wants to back up all data before taking it for repair. Which method would be MOST reliable to back up the data if the screen is unresponsive?

⚠ Common exam trap

Candidates often assume USB or OTG methods are always viable, overlooking the critical requirement of screen interaction to authorize the connection or navigate the interface, which is impossible when the touch input is partially unresponsive.

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

✓

Use a cloud backup service that was previously enabled.

If a cloud backup service (e.g., iCloud, Google Drive, Samsung Cloud) was previously enabled and configured to back up automatically, the user can restore the data after the repair without needing any screen interaction. This method does not require the touchscreen to be functional, as backups occur in the background over Wi-Fi. It is the most reliable approach when the screen is unresponsive and no prior wired connection was established.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    Connect the phone to a computer via USB and use file explorer.

    Why it's wrong here

    Connecting via USB to a computer is ineffective because modern smartphones use Media Transfer Protocol (MTP) or similar protocols that require the device to be unlocked and a connection request to be accepted on the phone. With a cracked screen that has an unresponsive touchscreen, the user cannot tap the 'Allow' prompt, so the computer will not enumerate the phone's storage. Even if the screen shows the prompt, the damaged digitizer may not register the tap, leaving the connection blocked. Thus, this method assumes screen interaction that is simply unavailable under the stated condition.

  • ✓

    Use a cloud backup service that was previously enabled.

    Why this is correct

    A previously enabled cloud backup service (e.g., Google Photos, iCloud, OneDrive) offers the only truly hands-free method: the phone automatically syncs data to the cloud while it is connected to Wi-Fi and charging, even if the screen is cracked. Since the backup is continuous and credential-based, the user does not need to touch the screen to initiate or approve the transfer. After the phone eventually loses power or is replaced, the user can sign in to the same cloud account from a new device and restore photos, contacts, and settings. This approach sidesteps the damaged display entirely, provided the phone remains connected to a known Wi-Fi network and the backup service was configured before the crack occurred.

  • ✗

    Use an OTG cable to connect a mouse.

    Why it's wrong here

    Using an OTG cable to attach a mouse gives cursor input, but it does not eliminate the need for display-based authentication. The phone will still present a lock screen (PIN, pattern, or password) that requires the user to see the screen and position the mouse cursor accurately to unlock it; if the screen is cracked but partially visible, the mouse might work, yet navigating to enable file transfer or perform a manual backup remains a fragile multi-step process. Furthermore, enabling OTG itself typically requires the device to be already unlocked, or the mouse may only control the pointer without granting access to the file system. This solution is at best a temporary workaround, not a reliable backup method, and it fails completely if the digitizer damage causes erratic cursor movement.

  • ✗

    Use the phone's recovery mode to perform a full backup.

    Why it's wrong here

    Stock recovery mode on standard smartphones does not support full-device backups; that capability exists only in custom recoveries such as TWRP, which require an unlocked bootloader and custom firmware that most users never install. Even when custom recovery is available, performing a NANDroid backup via touchscreen often requires on-screen confirmation, and the cracked screen may be unresponsive or misaligned, making the process impossible. Additionally, a recovery-mode backup stores raw partition images on the SD card or internal storage, which then must be transferred to a computer—again requiring USB debugging or screen interaction. For iOS devices, recovery mode (DFU) is for restoring firmware, not backing up user data, so this option is both technically niche and impractically dependent on the very screen that is broken.

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Same concept, more angles

1 more way this is tested on 220-1101

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A user dropped their smartphone onto a tile floor. The screen is not cracked and displays images and colors perfectly, but the touch input is completely unresponsive in all areas. The user has rebooted the phone and cleaned the screen. Which of the following hardware components is MOST likely damaged?

easy
  • ✓ A.Digitizer
  • B.LCD panel
  • C.Battery
  • D.Motherboard

Why A: The digitizer is the layer responsible for converting touch input into electrical signals. Since the display (LCD panel) shows perfect images and colors, the LCD is intact, but the complete lack of touch response indicates the digitizer has been damaged by the drop, likely a cracked or delaminated sensor layer or broken traces.

JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This 220-1101 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1101 exam.