> Push notifications are managed by a push service like Firebase messaging or Apple Push Notification Service (APNS) They can still wake up your phone when the

> Push notifications are managed by a push service like Firebase messaging or Apple Push Notification Service (APNS) They can still wake up your phone when they're delivered and that will drain battery. https://www.apple.com/uk/batteries/maximizing-performance/ https://www.apple.com/uk/batteries/maximizing-performance/ * If an app frequently wakes your display with notifications, you can turn off push notifications for the app in Settings > Notifications. Tap the app and set Allow Notifications to Off. > No email client is useful without them. I've had an iPhone for 10 years now and I've never had push notifications on for the 5 email accounts on there. Mind you, my battery isn't fine because the phone gets used a lot and that's what kills batteries quick.