A technician is replacing both the battery and the rear camera module in a smartphone. The service manual instructs disconnecting the battery FIRST, then the camera. After replacing both components, the phone powers on, but the camera app shows a black screen. The technician re-seats the camera connector, but the issue persists. What should the technician do NEXT?

Check the camera connector for bent pins or debris and ensure it is fully locked into place.

Replace the camera module again, as the new one is likely defective.

Perform a factory reset of the phone to clear any software cache related to the camera.

Reinstall the old camera module to test if the new one is incompatible.

A technician is replacing a rear-facing camera module in a smartphone. What should be done first to avoid damaging the new camera?

Disconnect the battery and discharge static electricity

Apply thermal paste to the camera sensor

Power on the device to test the camera before installation

Clean the camera lens with a solvent before installation

CompTIAA+ Core 1

Domain 1Objective 1

Hardware Setup 220-1201 Practice Questions (Page 5)

Part of the Mobile devices domain, which accounts for 13% of the 220-1201 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

3concepts

13%of the exam

Questions 21–22

21expert · hard
A technician is replacing both the battery and the rear camera module in a smartphone. The service manual instructs disconnecting the battery FIRST, then the camera. After replacing both components, the phone powers on, but the camera app shows a black screen. The technician re-seats the camera connector, but the issue persists. What should the technician do NEXT?
Select an answer first
22foundation · easy
A technician is replacing a rear-facing camera module in a smartphone. What should be done first to avoid damaging the new camera?
Select an answer first

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Hardware Setup 220-1201 Practice Questions (Page 5)

Questions 21–22

A technician is replacing a rear-facing camera module in a smartphone. What should be done first to avoid damaging the new camera?

Keep studying — Mobile devices