Iphone 7 Battery Life Bad. 2 When the iPhone is restarted fill in your passcode and then do a normal restart holding down only the lock button. Lithium-ion batteries do age and with that their capacity to hold charge decreases but in your case it is too early.

If you just opened your iPhone 7 or iPhone 7. Other reviews such as one at. Too bad its completely wrong.
Release the Power button and hold only the Home button for 5.
Other reviews such as one at. For iPhone 6 iPhone 6 Plus iPhone 6s iPhone 6s Plus iPhone SE 1st generation iPhone 7 and iPhone 7. I am surprised that you have only 86 of battery capacity left in mere 10 months of usage. A simple restart could improve your phones battery life.
