I have an iPhone 6s 128mb with a replaced battery. (Apple had a program where they offered a change of battery for the 6 model iPhones with known bad batteries for a lower cost) It was great as long as it lasted. Because now after installing iOS 14 it’s worse then it was before they changed the battery. Please fix this Apple, and don’t make me have to buy the latest phone in order to use your iOS. It’s not good for anyone. And also not for the environment. Hoping they will fix this soon!