Issue Description
Contacts disappear or show as empty in Contacts app.
Common Causes
- Google sync disabled
- Contacts stored on SIM or device
- Account sync error
Step-by-Step Solution
Step 1: Enable Contact Sync
- Settings → Accounts → Google
- Turn ON Contacts sync
Step 2: Change Contacts Display Settings
- Open Contacts App → Settings
- Select All contacts / Google
Step 3: Restart Phone
- Forces contact database refresh
Step 4: Remove and Re-add Google Account
- Fixes sync corruption
Explore Further
- Restore contacts from Google account
Prevention & Best Practices
Store contacts in Google account.