TO UPDATE AN APP
Open the App Store.
Tap your profile icon in the upper-right corner.
Scroll down, select the app you want to update or tap "Update All" to update all available apps.
Tap "Update."
If prompted, enter your iPhone passcode and tap "Sign In."
TO UNINSTALL AND REINSTALL AN APP
1. Uninstall the App
Find the App: Locate the app icon on your iPhone's Home Screen or in the App Library.
Tap and Hold: Gently press and hold the app icon until it starts to wiggle.
Remove App: Tap the "Remove App"
Confirm Deletion:
"Remove from Home Screen": This option removes the app icon from your Home Screen but keeps it installed on your device.
"Delete App": This option completely removes the app and its data from your iPhone. Confirm deletion.
2. Reinstall the App
Open the App Store: Tap the App Store icon on your Home Screen.
Access Purchased Apps:
Tap your profile picture in the upper-right corner of the App Store.
Tap "Purchased."
Find the App:
Tap "Not on This iPhone."
You may need to scroll through the list to find the app you want to reinstall.
Download the App: Tap the cloud icon next to the app's name. The app will begin downloading and installing.
Important Notes:
App Data: Deleting an app usually deletes its associated data (saved games, settings, etc.).
iCloud Sync: If you use iCloud to sync app data, your data may be restored after reinstalling the app.
App Subscriptions: Deleting an app does not automatically cancel any associated subscriptions. You must cancel subscriptions separately through your Apple ID settings.
If you encounter any issues during the process, refer to Apple's official support documentation for more detailed instructions.