Why My Iphone Battery Is Draining Too Fast. When you switch to fetch your iPhone will connect to your email server every certain number of. There are too many widgets.

Battery-draining apps and activities. IPhone battery issues are among the most common concerns that iPhone. When your mail is set to push rather than fetch your email server will be constantly connected to your iPhone so that you can receive emails as soon as they arrive in your inbox.
Change Mail From Push To Fetch.
So before you decide to replace the battery of your iPhone try to update all the apps on your iPhone. To test the battery you will have to check the batterys standby and usage time. Whenever you update an older iPhone with the latest version of the iPhone you will face the iPhone battery draining fast problem same to the iOS 15. Brightness level of screen is too high.
