What feature of the Ultra Phone X is highlighted as a major innovation?
Result:
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Option 2: "Solar-powered battery"
Explanation: The text explicitly highlights the solar-powered battery as a breakthrough in smartphone technology, emphasizing its innovative nature and the benefit of reducing the need for constant charging. This aligns directly with the question about major innovation.
Option 1: "A high-resolution touchscreen"
Explanation: The text does not mention a high-resolution touchscreen as a feature of the Ultra Phone X. Instead, it focuses on the solar-powered battery as the major innovation. Therefore, this option is not supported by the text.
Option 3: "Unlimited cloud storage"
Explanation: The text does not mention unlimited cloud storage as a feature of the Ultra Phone X. This option introduces information that is not present in the text, making it incorrect.
Option 4: "A built-in satellite phone capability"
Explanation: The text does not refer to a built-in satellite phone capability for the Ultra Phone X. This option presents information that contradicts the features listed in the text, which focuses on the solar-powered battery and other aspects.
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