Recent supply chain analysis suggests the base model iPhone 17 may feature the A19 chip, previously rumored to be exclusive to the iPhone 17 Air and Pro models. Analyst Jeff Pu, who initially predicted the base model would retain the A18 chip from the iPhone 16, now indicates a change in plans. While the base iPhone 17 is expected to use the A19, a key difference is anticipated, though the exact nature of this difference remains unspecified. This potential upgrade would represent a performance boost for the entry-level iPhone, narrowing the gap between it and the higher-end models.