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Apple-Device-Support Exam - Topic 10 Question 54 Discussion

ScenarioAntonio recently bought his iPhone 14 Pro Max. It's taking over an hour to charge the device to 50% using his 5W USB power adapter that came with his previous iPhone.Why can't Antonio fast charge his iPhone?
C) Fast charging requires a 20W or higher power adapter.
A) Fast charging iPhone 14 Pro Max to 50% takes more than 60 minutes.
B) Fast charging requires a 61W or higher power adapter.
D) Fast charging isn't supported on iPhone 14 Pro Max.

Apple-Device-Support Exam - Topic 10 Question 54 Discussion

Actual exam question for Apple's Apple-Device-Support exam
Question #: 54
Topic #: 10
[All Apple-Device-Support Questions]

Scenario

Antonio recently bought his iPhone 14 Pro Max. It's taking over an hour to charge the device to 50% using his 5W USB power adapter that came with his previous iPhone.

Why can't Antonio fast charge his iPhone?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Shantell at Jun 18, 2026, 05:54 AM

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Dona
26 days ago
But what about B? Isn't a 61W adapter overkill for the iPhone?
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Nicolette
1 month ago
I agree, C makes sense. Fast charging needs at least 20W.
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Izetta
1 month ago
I think it's option C. The 5W adapter is too weak for fast charging.
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Chanel
1 month ago
I thought it could fast charge with the right adapter!
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Theron
2 months ago
Yup, 61W is overkill for iPhone 14 Pro Max.
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Loren
2 months ago
Wait, are you sure it can't fast charge at all?
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Gladis
2 months ago
Totally agree, that 5W adapter is way too slow.
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Paul
2 months ago
Fast charging needs at least a 20W adapter!
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Maryann
2 months ago
I’m pretty sure fast charging is supported, but I think it definitely requires more than 5W, maybe around 20W or more.
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Vanna
2 months ago
I’m a bit confused. Is it possible that the iPhone 14 Pro Max doesn’t support fast charging at all?
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Lucia
3 months ago
I think I saw a practice question about charging speeds, and it mentioned that the adapter needs to be at least 20W for fast charging.
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Myra
3 months ago
I remember reading that fast charging needs a specific wattage, but I’m not sure if it’s 20W or something higher.
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