Question 447 of 1,020
Mobile Device Hardware ServicingeasyMultiple ChoiceObjective-mapped

Reattaching a Loose Vibrator Motor in a Smartphone

This 220-1201 practice question tests your understanding of mobile device hardware servicing. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A technician is replacing a cracked screen on a smartphone. After removing the old screen, they notice a small, flat, rectangular component with a metal shield is loose near the battery connector. What should they do?

Quick Answer

The correct answer is to reattach it using double-sided adhesive tape. This small, flat, rectangular component with a metal shield is the vibrator motor, which is commonly secured with adhesive inside the chassis to prevent rattling and ensure proper vibration function. During a smartphone screen replacement, the motor can become dislodged when the old screen is pried away, and failing to resecure it will lead to customer complaints about missing vibration alerts. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your knowledge of smartphone hardware disassembly and the importance of reattaching loose components—a common trap is to assume the part is broken or should be discarded. A helpful memory tip: think of the vibrator as a tiny speaker that needs to be glued down, not thrown away.

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

Reattach it using double-sided adhesive tape.

The loose component is a battery connector bracket or grounding clip, which is typically secured with adhesive to prevent the battery connector from dislodging. Reattaching it with double-sided adhesive tape restores mechanical stability without soldering, as these parts are not soldered to the motherboard. This ensures reliable power delivery and prevents intermittent shutdowns or charging issues.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

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

  • Discard it as it is not needed for the screen replacement.

    Why it's wrong here

    This component is necessary as it secures the battery connector. Discarding it could lead to loose connections and intermittent power issues.

  • Reattach it using double-sided adhesive tape.

    Why this is correct

    The battery connector bracket is typically held in place with adhesive. Using double-sided tape is appropriate to restore proper mechanical stability without heat damage.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Solder it back onto the motherboard.

    Why it's wrong here

    Soldering is not required because the component is a battery connector bracket typically held down with adhesive, not solder. Attempting to solder it could damage the motherboard or battery circuits.

  • Leave it loose; it will not affect screen operation.

    Why it's wrong here

    Leaving it loose may cause the battery connector to dislodge, leading to intermittent shutdowns or charging failures. It should be reattached with adhesive.

Common exam traps

Common exam trap: answer the scenario, not the keyword

CompTIA A+ often tests the misconception that any loose metal component must be soldered back, when in fact many smartphone components are secured with adhesive to avoid heat damage to sensitive battery circuits.

Detailed technical explanation

How to think about this question

In smartphone design, battery connector brackets are often made of stamped metal with a thin adhesive backing to hold the connector firmly against the motherboard’s spring contacts. This prevents micro-movements that can cause intermittent connectivity, especially in devices with high-vibration environments like those used in automotive mounts. The metal shield also serves as an EMI shield for the battery management IC, so its absence could introduce noise into the power rail.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the 220-1201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

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FAQ

Questions learners often ask

What does this 220-1201 question test?

Mobile Device Hardware Servicing — This question tests Mobile Device Hardware Servicing — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Reattach it using double-sided adhesive tape. — The loose component is a battery connector bracket or grounding clip, which is typically secured with adhesive to prevent the battery connector from dislodging. Reattaching it with double-sided adhesive tape restores mechanical stability without soldering, as these parts are not soldered to the motherboard. This ensures reliable power delivery and prevents intermittent shutdowns or charging issues.

What should I do if I get this 220-1201 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 2026

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This 220-1201 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 220-1201 exam.