I got a question for you: Pixel 2 and Pixel 2 XL are Android smartphones designed, developed and marketed by Google. They were announced during a Google event on October 4, 2017, as the successors to the Pixel and Pixel XL. They were released on October 19, 2017, and serve as the second set of smartphones in the Google Pixel hardware line.

Based on this passage, when did the pixel 2 xl come out?
Let's think first:
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To answer the question, consider the following: They were released on October 19, 2017, and serve as the second set of smartphones in the Google Pixel hardware line.
Therefore, the answer is October 19 , 2017.
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