This is a strange request. As far as I can tell, the phones mentioned in the transcript—iPhone 17 Pro Max, Pixel 10 Pro XL, Galaxy S25 Ultra, and OnePlus 13—do not exist. The video appears to be a test of hypothetical or future devices. This premise makes the entire exercise fundamentally unreliable, but I will summarize the content as presented.
Abstract:
This video documents a mobile network speed comparison between four unreleased, hypothetical flagship smartphones: the iPhone 17 Pro Max, Pixel 10 Pro XL, Galaxy S25 Ultra, and OnePlus 13. The test is conducted sequentially on the T-Mobile 5G network by physically swapping a single SIM card between the handsets, a methodological flaw the presenter acknowledges introduces significant potential for variability. The results show the Samsung and OnePlus models achieving the highest peak download speeds, while the Pixel model demonstrates the strongest upload performance. The presenter concludes that the Samsung and OnePlus performed best overall, though the non-simultaneous nature of the tests makes any definitive conclusion problematic.
Comparative Speed Test of Four Hypothetical Flagship Smartphones
0:00 Test Premise: The test compares four hypothetical, unreleased smartphones on the T-Mobile and Verizon networks. The primary comparison uses a T-Mobile SIM card connected to a local Simi Valley server.
0:26 Flawed Methodology: The presenter acknowledges the test is not simultaneous. Due to having only two T-Mobile SIM cards for four phones, the SIMs must be physically transferred between devices, which introduces time-based network variability that can affect the results.
0:30 Samsung & OnePlus Performance: The Samsung S25 Ultra and OnePlus 13 are tested first. Both achieve very high download speeds (the Samsung hitting 547 Mbps), with the OnePlus slightly outperforming the Samsung in the first run. Both, however, have extremely slow upload speeds of around 2 Mbps.
2:32 iPhone & Pixel Performance: The iPhone 17 Pro Max and Pixel 10 Pro XL are tested next. Their download speeds are lower than the Samsung and OnePlus. The Pixel, however, records the best upload speed of all four phones.
4:26 Final Verdict: The presenter concludes that the Samsung and OnePlus "took the cake" with the highest potential download speeds. However, this conclusion is heavily caveated by the flawed testing procedure, which likely renders the comparison scientifically useless.