iPhone battery dying by afternoon? A 2026 audit points to one Wi‑Fi tweak — plus 4 privacy switches
Restricting Background App Refresh to Wi‑Fi only increased mid-afternoon battery life on an iPhone 15 Pro from about 40% to nearly 60%, according to a week-long user test. Apple says iPhone 15 batteries retain 80% capacity after 1,000 cycles, while iPhone 14 and earlier manage 500. Blocking tracking and disabling analytics also affected battery use, reports show.