Is iOS 26.4 Worth the Install? Here is What Apple Just Changed on Your iPhone

iOS 26.4 improves battery life, performance, and the overall user experience.

Benchmarks: Geekbench 6 single‑core 3,923 and multi‑core 10,265; real‑world test reached up to 7 hours 24 minutes of screen time with 47% battery use.

Energy management is smarter than iOS 26.3 and includes Low Power Mode plus app‑specific battery usage tracking.

System interfaces were redesigned and the update emphasizes user privacy.

Music app redesign adds streamlined play/shuffle/download controls and advanced playlist/folder creation with library sorting and filtering.