New Delhi, Sept. 21 -- Apple's latest flagship, the iPhone 17 Pro Max, has taken the crown as the longest-lasting smartphone in a widely watched battery life test conducted by tech YouTuber Mrwhosetheboss.

In a simulated daily-use comparison, the iPhone 17 Pro Max survived an impressive 13 hours before shutting down, comfortably outperforming Samsung's Galaxy S25 Ultra, which lasted 11 hours and 58 minutes. The test included everyday tasks such as scrolling through TikTok and X, sending messages on Slack, listening to Spotify, and recording video.

Interestingly, the test was carried out on the UK version of the iPhone 17 Pro Max, which still comes with a physical SIM tray. The eSIM-only variant, sold in the United States and select othe...