Some iOS 27 users blame Connectivity Assist for battery drain and increased mobile data use. Here is what Apple confirms and how to check usage.
iPhone Battery
iPhone 18 Pro Max Battery: The Only iPhone Rated at 45 Hours
Apple rates the iPhone 18 Pro Max at up to 45 hours of video playback, up to 40 hours of streamed video and up to 30 hours of what it now calls typical use. No other iPhone Apple currently sells carries all three of those numbers, and the 45-hour figure is the single highest battery…
iPhone Won't Charge After the iOS 27 Update? Apple Documents Heat as a Cause, Not a Fault
A phone that will not charge, or charges slower than expected, right after a major update is a specific enough scare that Apple has a dedicated support page for it. The explanation is heat, and Apple treats it as expected behavior rather than damage. A major software update is one of the causes Apple names…
iOS 27 Battery Drain Fix: Apple's Own Advice Is to Wait a Few Days
If an iPhone or iPad seems to burn through battery faster than usual in the days after installing iOS 27, Apple has already answered the question. It just answered it on a support page about battery drain in general, not on the update page, and the answer is to wait. iOS 27 installs on every…
iPhone Pro Battery Life History: 23, 27, 33 and Now 36 Hours From iPhone 15 Pro to 18 Pro
Apple rates the iPhone 18 Pro at up to 36 hours of video playback and the iPhone 18 Pro Max at up to 45 hours, according to Apple’s tech specs. Three generations ago the iPhone 15 Pro was rated at 23 hours and the 15 Pro Max at 29, so the smaller Pro has gained…
iPhone Duo Battery Life: Dual Batteries, 44 Hours Closed, 31 Hours Open, and the 60W Charging Catch
iPhone Duo has two batteries, one in each half, and Apple rates it at up to 24 hours of typical use, up to 44 hours of video playback on the outer display and up to 31 hours on the inner display. Wired charging reaches 50 percent in about 20 minutes, but only with a 60W…
iPhone 18 Pro Battery Life: Apple's 45-Hour Claim Explained, Plus How Fast It Really Charges
Apple rates the iPhone 18 Pro Max at up to 45 hours of video playback and the iPhone 18 Pro at up to 36 hours. Both figures apply to the eSIM-only models, and Apple says a wired charger takes either phone to 50 percent in about 15 minutes. According to Apple’s press release, the smaller…