“After updating to iOS 13 I am experiencing the following issue with my contacts. I have all my contacts saved on iCloud and have several different contact groups that I select to send emails and filter my contacts. But When I selected one of the groups to send emails today, the contacts app crashed, and I couldn’t access my contacts on my iPhone anymore. How to recover my contacts app and find all my missing contacts back. I had tried to reset the iPhone and nothing helps. Anyone can help?”   

-- Lisa

Contacts are so vital in our life that anyone couldn’t bear any missing of all the contacts suddenly. When the contacts app crashed like in the above example, it may drive you crazy at that very moment. However, there are some quick and easy methods to recover your contacts app and your disappeared iPhone Contacts. Here we will show how to get it done.

iPhone Contacts App keeps Crashing and All Contacts missing - How to Fix it?

Preparation: Restore the Contacts App.

Option 1. Recover missing iPhone contacts with iCloud.

Option 2. Restore your iPhone using iTunes backup.

Option 3. Recover all contacts with SD iPhone Data Recovery.

In this question, the user has synced all the contacts to iCloud, so the simplest way to recover it is by using iCloud.

Preparation: Restore the Contacts App. Check if they will reappear by reinstalling the App. 

If your iPhone Contacts app keeps crashing, you'd better delete it and reinstall it from the App Store.

Tap App Store, search Contacts from the search bar, download it, and reinstall it after you delete the previous version of the Contacts App.

Note that removing the Contacts App won't delete your contacts. After reinstalling the Contacts app, the original contacts will still be there if they are not missing.  If you can fix the problem only by deleting and installing the app, it's very good and easy for you. If not, continue reading the following parts.

Firstly. Review steps to Sync iPhone contacts to iCloud.

Go to Settings > [your name] > iCloud, then scroll to contacts, and turn on the toggle switch to green.

Secondly. Go to iCloud.com to Make sure Contacts are there and Export all to make a Copy.

Go to iCloud.com, and export a copy of all your contacts via "Export vCard" from the setting button.

Option 1. Recover missing iPhone contacts with iCloud

Step 1: Turn off iCloud Contacts sync.

Head into Settings >Apple ID [your name] > iCloud

Toggle the Contacts switch from on to off. Tap "Keep on My iPhone" when prompted.

Step 2: Restart your iPhone.

For iPhone X or 11/12/13

Press and hold either volume button and the side button until the power off slider appears, wait and press and hold the side button until you see the Apple logo.

For iPhone 8/7/6

Hold on the side button and drag to power off your iPhone. After a while hit the side button until you see the Apple logo.

Step 3: Turn on iCloud Sync.

Head into Settings >Apple ID [your name] > iCloud

Toggle the Contacts switch from off to on/green.

Step 4: Reopen the Contacts app to check all contacts.

Check if the contacts app still keeps crashing. And tap Contacts, the disappearing contacts should be there. if they recover as normal, congratulations. If the contacts app still crashes and quits, and you couldn’t access your contacts on your iPhone, Try one more step.

Step 5 Delete Group from iCloud and Repeat steps 1 to 4.

Export and back up iCloud contacts by exporting vCard to your computer for a backup. Delete the contact group from iCloud.com via the setting menu on your computer.

As the crash is caused by the iCloud group, you can delete and rebuild your contacts group later or restore them with the exporting one. This action would not delete your contacts, just delete your groups.

Afterward, perform steps 1 to 4 again.

In that case, your iPhone comes with all of your existing contacts without contact groups. You can either restore your groups，or manually rebuild them by going to iCloud.com.

Option 2. Restore your iPhone using iTunes backup.

If you have backed up your iPhone recently in iTunes, there is no need to worry about how to get these contacts back. Just restore from the previous iTunes backup, and you will find your missing contacts in a moment.

Step 1: Open iTunes on your PC or Mac. Connect your iPhone to your computer.

Step 2: Click on the upper left mobile phone-like icon to head to the summary page.4

Step 3: Click on the “Restore Backup” button

Step 4: Choose the most recent backup to restore. Click Restore.

Backing up all your contacts is so vital because you can’t predict when will a tragedy of data loss happens all of a sudden. We pick the reliable software SD iPhone data recovery for iPhone Contacts backup and recovery. You can read on about how to back up iPhone contacts to your PC or Mac.

If you can run your contacts app properly and would like to recover all deleted or missing contacts, you can also pick this software to recover all your disappeared contacts. However, if your contacts app keeps crashing, the prior thing is to get it back to normal via option 1 or 2.

What if you do not have any backups of your iPhone? How to recover all of your contacts?

Option 3. Recover all contacts with SD iPhone Data Recovery

if you have neither iCloud backup nor iTunes backup and forget to take precautions for data loss. You can still find the sudden disappear eared iCloud contacts via SD iPhone data recovery.

Free download SD iPhone Data Recovery and install it on your computer.

Step 1: Launch the app and connect your iPhone to your computer. When prompted, click Trust on your iPhone screen.

Step 2: Head to Recover from iOS Device, click start scan.

wait for a few moments for the scanning process. You can see the progress bar on the top of the page.

Step 3: After it’s finished, Navigate to Contacts from the left pane of the window.

Step 4: Check the box next to Contacts. And click Recover.

if you do not plan to recover other items to your computer, uncheck them unless you plan to recover some of them selectively along with contacts.

Step 5: Hit Recover to Device or Recover.

Step 6: Save them in the pop-up destination folder and Click OK to Start recover.

That’s it. You have recovered all of your contacts on your PC or Mac. No more new phone, who dis for you.