Reasons why Zalo cannot make calls and detailed, effective troubleshooting solutions

Zalo not being able to make calls is one of the common issues that users often encounter. This has caused a lot of inconvenience for users. So why is it happening and how can it be fixed? Let’s find out in detail through the article below.

Causes of Zalo not being able to make calls

The issue of Zalo not being able to make calls can stem from various errors. Although sometimes it is an unintentional action, it still brings unimaginable troubles. Some of the most common reasons include:

• Your wifi or mobile data is weak, the connection is unstable, prone to interruptions, jerky, or lagging.
• Zalo app system error due to an update.
• Permission for camera or audio access has not been granted to the app on the phone.
• You have been blocked by the caller in your contacts.
• The person you are trying to call is not connected to the network.

5 ways to successfully fix Zalo not being able to make calls on Android

Check internet connection

When Zalo cannot make calls, the first thing you should do is check your internet connection. See if your device is connected to the internet. If not, turn it on. If it is already on, try turning it off and reconnecting.

Specifically: Go to Settings => Select wifi => Turn off wifi and reconnect.

Refresh the background app

To refresh the background app, follow these steps:

• Step 1: Go to Settings => Select Connection => Select Use data.
• Step 2: Scroll to find the Zalo app and select it.
• Step 3: Finally, enable “Allow background data usage.”

Check permissions

Zalo can only make calls if you grant it access to the camera, microphone, and contacts. To check this feature, go to “Settings” => Select “Apps” => Select “App Management” => Select Zalo app => Select “Permissions” => Enable all permissions to ensure normal calling function.

Update to the latest version of the app

Updating the app version can cause some errors, including Zalo not being able to make calls. So when you encounter this problem, check if you are using the latest version. If not, update it through the Google Play Store app.

Use other calling apps

In case Zalo is blocked by the person you are trying to call, you can use other calling apps to contact them, such as Messenger, Instagram, Line, Telegram, etc.

Details on fixing Zalo not being able to make calls on iOS

Check internet connection

Similar to fixing errors on the Android operating system, with iOS, you can also check the internet connection on your iPhone by:

Go to Settings => Select WiFi => Turn off WiFi and reconnect.

Check refreshing background app

• Step 1: First go to “Settings”.
• Step 2: Select “General Settings”.
• Step 3: Select “Refresh the background app”.

Check permissions again

• Step 1: Access “Settings”.
• Step 2: Select “Apps” => Scroll to find the Zalo app.
• Step 3: Enable permissions for microphone and camera.

Update to the latest version of the app

Update the latest version of the app to avoid issues during usage. Specifically:

Go to “App Store” => Search for “Zalo” => Tap on “Update”.

Use other calling apps

In some cases, not being able to make calls may be due to a problem with the receiver’s Zalo. It is possible that you have been blocked or their phone is not connected to the internet. At this time, you can use other calling apps or use a regular subscription to contact the person you want to call.

Tips for better Zalo call quality

When making Zalo calls, to ensure smooth and stable conversations, you should call from locations near wifi signal transmission points. If you are using data, pay attention to whether you are using 3G/4G or 5G and how many bars you have. The better the signal, the smoother the call.

In addition, when making calls, avoid locations near fans or with a lot of noise. This will make it difficult for the other person to hear you clearly when using the loudspeaker.

Conclusion

Above are the reasons why you are encountering Zalo not being able to make calls and the most effective ways to fix them. Hopefully, they have helped you solve the problem easily and have a better experience with the app.

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