That seems awfully low for a 1 year and 3 month old iPhone. I think Apple might replace it because they have some sort of clause where they say if your battery drops below 80% during first year, it may be eligible for faulty battery replacement. I am not fully sure, but make an appointment at GeniusBar and see what they say. The larger iPhone 15 Plus packs a larger battery, so Apple says it will last up to 26 hours and 20 hours, respectively. How do these numbers compare to last year’s iPhone 14 series? How long should the battery of an iPhone 8 last. The batteries of the iPhone 8 and 8 Plus are, respectively, 1,821 mAh and 2,675 mAh.This is on paper, since the way to measure batteries in an Apple computer like these really is relatively different from others of the competition. Assuming you cycle your battery about once a day, then a brand new iPhone 12 bought at launch should, according to Apple’s typical expectations, be worn down ~10% already, as it has been 277 days since iPhone 12’s launch day. Yes, 83% of the maximum battery capacity is probably normal two years of using an iPhone. the maximum capacity is displayed as 83%, it means that when you charge your phone to 100%, only 83 cells are being charged as opposed to 100 cells getting charged. My battery health is now 83%. I got a 4700mah battery in my 8 plus which I replaced myself now it lasts at least 2 days even with heavy usage . Apple iPhone 8 Plus long-term review. Which iPhone 12 to get - upgrader's Options. So there are conflicting instructions on iFixit when you follow the instructions such as the ones from iFixit Battery Calibration. How to calibrate your battery. For phones and tablets: 1:Charge it to 100% and keep charging it for at least 2 more hours. 2:Use your device until it shuts off due to low battery. Last Charged: Indicates how fully the battery was last charged and the time it was disconnected. Battery Level graph (in Last 24 Hours): Shows the battery level, charging intervals, and periods when iPhone was in Low Power Mode or the battery was critically low. Battery Usage graph (in Last 10 Days): Shows the percentage of battery used each day. Vay Tiền Nhanh Ggads.

how long does iphone 8 plus battery last