An app can’t open on my phone , what’s the issue ?
An app is not opening on my iPhone , what’s the cause ?
Question marked as
First, try a forced restart.
• Press and quickly release the volume up button
• Press and quickly release the volume down button
• Press and hold the side button.
• When the Apple logo appears, release the button.
Force restart iPhone - Apple Support (IN)
If that doesn't work, uninstall and reinstall the app. If that doesn't work, contact the app developer for help with their software.
How to contact an app developer - Apple Support