How To Recover Deleted Files, Contacts, Calendars, and Photos From iCloud

How to Recover Deleted files, Contacts, Calendars, and Photos from iCloud
iCloud allows you to recover the files that you have deleted from iCloud drive and restore your deleted photos as well as return your contacts and calendars from its previous state. If you have accidentally deleted some of your files, you can easily get it back.
To have an access with this feature, follow these steps.
Step 1: You can visit the website of iCloud and sign in using your Apple ID.
Step 2: Just verify yourself to be able to access the website and you will see Settings icon.
Step 3: Just click Settings icon and you will see Advanced options when you scroll down.
Step 4: At the bottom, you will also see Restore Files, Restore Contacts, and Restore Calendar & Reminders.
You have the option to choose which files you want to restore. The files will be saved there for 30 days after deleting. If you accidentally delete bulk of files, just simply Select All and filter down again.
Restore Photos and Videos From iCloud
Photos and videos can be restored from the Recently Deleted album on your iPhone, iPad, and Mac. You will see all deleted photos here which will be saved for 30 days. If you do not have Recently Deleted album on your device, you may restore your photos and videos from iCloud website.
Step 1: Launch Safari.
Step 2: Visit icloud.com.
Step 3: Simply enter your Apple ID and click on the arrow button.
Step 4: Click on Photos, and then click on Albums.
Step 5: Click Recently Deleted Album, and then select Photos.
Step 6: Now choose the photos that you want to recover. Click Recover. Simply click Recover again to confirm.
Restore Contacts
Individual contacts can’t be restored from iCloud. You can restore one archive which iCloud makes occasionally.
Step 1: Launch Safari.
Step 2: Visit iCloud.com.
Step 3: Enter your Apple ID. Click on the Arrow button.
Step 4: Click Settings. From Advanced, click Restore Contacts.
Step 5: Click Restore Button from the right, and Click Restore again to confirm.
Restore Calendars and Reminders
Calendars and Reminders are packed together on iCloud and you cannot recover one without the other. You need to recover the whole archive at once.
Step 1: Launch Safari.
Step 2: Visit icloud.com.
Step 3: Enter your Apple ID and click on the arrow button.
Step 4: Click Settings, then click Restore Calendars and Reminders from Advanced at the bottom.
Step 5: Click Restore button, and click Restore again to confirm.
I need your help to fix IOS9 on iphone4