Final answer:
The sentence that does not belong in the paragraph is C. Most people don't bother to read the instruction manual of their phone.
Step-by-step explanation:
The sentence that contains information that does not belong in the paragraph is C. Most people don't bother to read the instruction manual of their phone. This sentence is not directly related to the topic of setting the focus on your phone camera. The other sentences provide instructions and tips for improving phone photography by changing the focus settings.