How do I reinstall an app?

To retrieve files from iCloud, follow the steps given below:

• Open the iCloud website (www.icloud.com) and log in with your Apple ID.
• Click on 'iCloud Drive' to access your stored files.
• Move through folders to find the file you want to retrieve.
• Select the file, then click the download icon to save it to your computer.
• Alternatively, if you're using an Apple device, you can access iCloud Drive through the Files app.

To uncorrupt a file, do the following steps:

• Create a backup copy of the corrupted file to avoid further data loss.
• There are various file repair tools available online. Use a reliable one that supports the file type you are trying to recover.
• Try opening the corrupted file in a different program that supports its format.
• If you have a recent backup, restore the file from the backup.

• Open iCloud on your device or go to iCloud.com on a computer.
• Sign in with your Apple ID and password.
• If you are using a computer, click on 'Account Settings' and then 'Manage' under Backups.
• Choose the device and backup you want to download.
• Click on 'Download' to save the backup to your computer.

Unfortunately, restoring WhatsApp chats without a backup isn't directly possible. Please check if any of the earlier backups have been stored in your Google Drive or any other cloud storage connected.

To find the app that you just deleted follow the steps given below:

• Open your App Store.
• Tap on your Profile and go to Purchase.
• Go to Not on this iPhone.
• There you get a list of all the apps that you deleted, from there you could restore the application.