What is the top 1 phone in the world?

Could you please elaborate on what criteria you're using to determine the "top 1 phone in the world"? Is it based on popularity, sales figures, technical specifications, user reviews, or perhaps a combination of these factors? Additionally, given the rapid pace of technological advancements in the smartphone industry, it's worth noting that the "top 1 phone" may vary depending on the time period being considered. Could you provide some context or specific factors that you're considering when asking this question?