My iPhone 12 have the same issue it always running the battery so fast around 95-45% in the morning after charging all night , and slowed down with 35-5%, I don’t know if this just feel like it or it is real, but I think it is related to my battery health, I just got 85 percent of it
Do you mean not to receive the beta version in the future or you want to downgrade your phone back to iOS 17.5?❤ 👉If you want to fix iOS 18 battery issue with downgrading your phone,you check this out and I have put a link about how to downgrade in my description:bit.ly/3Vqo68H