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220-1201 Practice Question: That their iPhone 13 will not charge when plugged…
A user reports that their iPhone 13 will not charge when plugged into the charging port. The user has tried different cables and power adapters, but the phone still does not charge. The phone's screen and buttons work normally. Which of the following is the most likely cause?
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
✓
The Lightning port is clogged with debris
Since the user has already ruled out the cable and adapter, the issue is likely with the phone itself. A common problem is debris or lint compacted in the Lightning port, preventing a proper connection. Cleaning the port carefully can often resolve this.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The battery is completely dead and needs replacement
Why it's wrong here
A completely depleted lithium-ion battery, while unable to power the device or boot the operating system, should still register the presence of an incoming charge. The phone's charging circuitry is designed to detect power input and display a visual cue, such as a low battery icon or a charging animation, even before the battery has accumulated sufficient charge to turn on. The absence of *any* charging indicator suggests a problem with the power delivery path *to* the phone, rather than solely the battery's charge level.
- ✓
The Lightning port is clogged with debris
Why this is correct
Debris, such as lint, dust, or small particles, can accumulate at the bottom of the Lightning port, physically obstructing the connection between the cable's pins and the port's internal contacts. This physical barrier prevents the Lightning cable from fully seating and establishing the necessary electrical connection for power delivery. Consequently, the phone will not detect the charger, preventing any charging indicator from appearing and stopping power from reaching the battery.
- ✗
The operating system is corrupted
Why it's wrong here
Operating system corruption primarily affects the software functionality and boot process of the device, leading to issues like boot loops, crashes, or an inability to load the OS. However, the fundamental hardware function of detecting and receiving power through the charging port operates at a lower, hardware-level circuit, largely independent of the operating system. Therefore, even with a corrupted OS, the phone should still display a charging indicator if power is successfully delivered to the device's charging circuit.
- ✗
The phone's wireless charging coil is damaged
Why it's wrong here
Wireless charging, which uses an inductive coil to transfer power, is a completely separate hardware mechanism from wired charging via the Lightning port. Damage to the phone's wireless charging coil would only impair its ability to charge wirelessly using a compatible charging pad. It would have no impact whatsoever on the functionality of the wired charging system, which relies on direct electrical contact through the Lightning port for power delivery.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.