To get this settled, force the app you suspect to close first and update it.
For iPhone 7 and iPhone 7 Plus: Press and hold both the Power button and Volume down button.
For more battery healthy advice, along with details on make utmost use of battery optimization feature, be sure to read.
Those who are lucky enough may have get their in hand, but do you know how to power down an iPhone X? Before the restoration process, make it a habit to perform a backup of your device first.
But often these two ways don't work due to various reasons.
Restart iPhone from Computer without Data Loss via Professional Software is the No.
After a few seconds, release the Power button and continue to hold the Volume down button.
To avoid taking accidental screen shots, it may be best to get used to using the Volume Down button specifically.