How to Fix vivo S50 Contacts Not Syncing

When your vivo S50 stops syncing contacts, new numbers do not appear, and changes made on one device fail to update on another. It can feel like your contacts are disappearing or stuck in the past. In most cases, this issue is caused by sync settings, account problems, or background restrictions, and you can fix it in just a few minutes.

Why Your vivo S50 Contacts Are Not Syncing

• Contact sync is turned off in your Google account settings.
• Background data restrictions are blocking synchronization.
• Poor internet connection interrupts the sync process.
• The wrong default account is selected for saving contacts.
• Temporary system glitches affecting account services.

Check If Contact Sync Is Enabled

If contact sync is disabled, your phone will not upload or download contact changes. Turning it back on allows your device to communicate with Google or other linked accounts.

1. Open Settings, and then tap Accounts and sync.
2. Tap your Google account, and then tap Account sync.
3. Find Contacts, and then toggle it on.
4. Tap the three-dot menu, and then tap Sync now.

Make Sure Internet Connection Is Stable

Contacts cannot sync without a stable connection. Even if you are connected to Wi-Fi, weak or unstable signals can delay or stop syncing.

1. Open Settings, and then tap Network and Internet.
2. Tap Wi-Fi or Mobile network, and then confirm the connection is active.
3. Switch Wi-Fi off, and then turn it back on again.
4. Try syncing your contacts again after reconnecting.

Remove and Re-add Your Google Account

If syncing still fails, your Google account may have authentication issues. Removing and adding it again refreshes the connection between your device and Google servers.

1. Open Settings, and then tap Accounts and sync.
2. Tap your Google account, and then tap Remove account.
3. Go back to Accounts and sync, and then tap Add account.
4. Select Google, and then sign in again.

Check Default Account for Saving Contacts

Sometimes new contacts are saved locally instead of to Google. When this happens, they do not sync across devices.

1. Open the Contacts app, and then tap the three-dot menu.
2. Tap Settings, and then tap Default account for new contacts.
3. Select your Google account, and then confirm your choice.
4. Add a test contact, and then check if it syncs properly.

Disable Background Data Restrictions

Background restrictions can stop apps from syncing automatically. Allowing background activity ensures your contacts update even when the app is not open.

1. Open Settings, and then tap Apps.
2. Tap Contacts, and then tap Mobile data and Wi-Fi.
3. Enable Background data, and then enable Unrestricted data usage.
4. Repeat the same steps for Google Play services if needed.

Contact syncing issues on the vivo S50 are usually related to account settings or connectivity. Once sync is enabled and background restrictions are removed, your contacts should update smoothly across all your devices.

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