Apple announced today that the iPhone 8's battery life is similar to the 7 and 7 Plus. The 8 Plus, on the other hand, does have a significantly better battery life than the 7 and 7 Plus -- up to
Community Specialist. Jul 10, 2018 6:35 AM in response to Jasper Noor. Hello Jasper Noor, Thanks for reaching out to Apple Support Communities. I understand from your post that your battery health shows at 77% and you want to know if you need to change your battery and will it hurt the phone's CPU. Check out iPhone Battery and Performance. Currently have a iPhone 8+ with a battery count of 84%. Purchased the phone in late 2017 I think. At 84% , will the phone still last for a long time yet and if so how long roughly.., based on the fact that it was purchased new in late 2017. Just concerned with resale value as the battery count drops, so what would be the best time to sell the This performance management feature is specific to iPhone and does not apply to any other Apple products. Starting with iOS 12.1, iPhone 8, iPhone 8 Plus and iPhone X include this feature; iPhone XS, iPhone XS Max and iPhone XR include this feature starting with iOS 13.1. Find out about performance management on iPhone 11 and later. The effects How long does an iPhone 7 battery last when fully charged? On its iPhone 7 listing, Apple says the smartphone has the “longest battery life ever in an iPhone,” adding that its iPhone 7 has up to two more hours of charge than its predecessor the iPhone 6s, can deliver up to 14 hours of talk time on a single charge, and up to 12 hours of Internet surfing. Step 1 Pentalobe Screws. Before you begin, discharge your iPhone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured. Power off your iPhone before beginning disassembly. Remove the two 3.5 mm pentalobe screws from the bottom edge of the iPhone. Vp5w6rR.