“I have a problem with the Viber app. Viber keeps crashing all the time. I have uninstalled it and reinstalled it, but nothing. Still crushing. What should I do? ” - From Anonymous
Viber is one of the most widely used cross-platform messaging apps to send messages and make a video or phone calls. You can chat individually or in a group which makes chatting more interesting. In addition, it supports end-end encryption to protect your conversations with third parties.
Although it's one of the most popular messaging apps, Viber, like many smartphone apps, can begin to act strangely. Users have reported crashing and freezing, yet these are only some issues you may encounter. A feature-rich app such as comes with its array of problems.
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Luckily, all of these problems can be fixed. In this article, we will look at ways to fix some common Viber issues. We’ve counted seventeen common problems that can easily be fixed in a few minutes. So, if you're ready to start enjoying your Viber conversations again, let's see how to fix the common issues.
Before you're trying to fix your Viber issues, back up your Viber chat history will be a wise choice if you lose all your essential data in your app. MobileTrans - Backup & Restore can also backup Viber chat history to the computer and restore the chats to another device when you need it.
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You can learn how to backup Viber chats with step by step tutorial below:
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Initial steps
First, you need to restart your phone and check if you are running the latest version of Viber. Then check if your phone has a good internet connection.
Now follow the below steps:
Clear cache
Hopefully, the issue will be resolved.
Tip: before fixing Viber crashing issue, please backup your Viber data using mobitrans. You can also find more information on securely backing up your Viber data on a computer.
Updating Viber shouldn't be a problem if you have enough memory or are connected to the internet. However, many users experience this issue even if the conditions mentioned above are fulfilled.
The easiest way to fix this issue is to clear the cache and data.
If this doesn’t help, repeat the steps but only click on Clear Data instead of Clear Cache, and see if it works.
Tips for mobile users: Learn how to clear the WhatsApp cache from your iPhone, Samsung, or any other Android phone with this easy step-by-step guide.
Activating Viber seems like an easy thing to do. However, many users report problems with this first initial step.
To activate Viber, you need to enter your phone number, and you should get an SMS with the activation code.
But, many users fail this step, and there are a couple of reasons for that.
If you don’t have access to the internet, you’ll get the message saying that it's required. However, when you have access to the internet and your SIM card is valid, you should be able to receive your six-digit code via SMS. You can even get it via phone call, which is great.
It's an automatic callback feature that will activate Viber when you answer the call. If you’ve requested your code 3+ times, your account will be blocked.
You’ll then need to reinstall Viber and make a new account.
Recommended reading: How to Transfer Viber Messages to New Phone?
You will start receiving pop-up notifications on your screen.
Viber may block your account if it considers you spam, suspects your behavior, or suspects you violate Viber's t&c ( Viber Terms of Service and the Viber Out Fair Usage Principles). As a result, you may question why it isn't Viber working. To fix it, you need to contact the viber support team, open a "request to unblock" ticket, and submit it for approval. In most cases, the number is unblocked.
Tips: Getting blocked on Viber by someone is annoying, especially when you are unaware of being blocked. These fool-proof step-wise tips will help you find out if you are really blocked on Viber.
If you are an Android user and can't back up your important Viber messages and media, follow the below guidelines:
If you are an iPhone user and facing Viber iCloud backup error, here is how you to fix the problem:
Tip: If the above method is still invalid or the backup speed is very slow, and you want a quicker and easier method, it is recommended that you use a third-party backup tool - MobileTrans - Backup & Restore.
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You can visit the MobileTrans website to learn how to backup Viber data on your pc.
The Viber app shows you online even if you exit the app because it runs in the background. However, if you want Viber to show you offline for some reason, here is how you can do it.
One of the many Viber app problems is that the app may disconnect unexpectedly. It is due to various reasons. So, here's what to do:
There’s a strange Viber Sleep Policy that the app sets by default.
This doesn’t allow the app to connect to Wi-Fi unless you wake up your phone. We mentioned a setting similar to this just a minute ago, but this one applies only to Viber, making these two completely independent.
To fix this issue, open Viber on your phone, tap on three horizontal lines at the bottom right side, and you’ll see the menu. There, tap Settings and then General. Next, you should see the “Wi-Fi Sleep Policy” option.
Choose Always Connected, which is the first one. The second one is the device's Wi-Fi Sleep Policy, which you don't want to use. So now, your app should work correctly.
Viber users often complain that Viber can't save a contact or are unable to find their contacts. Follow the below steps:
"Viber takes advantage of your internet when sending or receiving messages. Unfortunately, many users have experienced that they can’t send or receive messages or images because their internet isn’t functioning.
You’re probably using your local Wi-Fi network when you're inside your house. But when you go outside, it's necessary to use your cellular data. If your internet is working flawlessly, you should be able to send messages.
Other issues include your recipient deleting the app, so you can’t contact him through Viber. Also, there’s one more solution to this problem that works mainly for iPhone users. You need to go to Settings and then tap on Privacy. Next, find the Collect Analytics button and click Disable.
Now, you should be able to receive and send messages freely.
Recommended reading: How to Sync Viber Messages?
Issues with incoming and outgoing Viber calls are not that rare, too. If you can't make or receive calls on your iPhone, this will solve your problem:
You can also allow Video Calls by tapping on the homonymous button and choosing On. Now, you should be able to call or receive both video and audio calls. Sometimes, Viber tends to mess up the Settings, so you must take your time to inspect them before using them.
While making a video call, the Viber sometime shows an error message that the video call is not working. Here is how to fix the issue:
Hopefully, you will start making video calls.
Sometimes Viber crashes temporarily, and it does not open the camera. So the first thing you can do is restart the application. In most cases, it will solve the issue. Otherwise, try one of these steps below:
Viber not ringing is perhaps one of the most persistent issues on iOS and Android platforms.
This doesn't always have to be about your phone. Sure, you might have your ringtones disabled or use a do-not-disturb profile, but this isn't the case in many cases.
Usually, Viber doesn’t ring when your phone is locked. Instead, your display shows you the notification, but you don’t hear that ‘clicking sound. To solve this, go to your Wi-Fi Settings, choose Advanced, and check Keep Wi-Fi on When Screen Times Out.
When it's locked, your phone may not be using the internet, meaning that you don't receive notifications unless you unlock it. Alternatively, you can choose a notification type in your iPhone Settings app if you use an iPhone.
In this app, click on Notifications, go to Alert Style, and choose either Alerts or Banner. This will allow you to hear your Viber messages.
For Viber Desktop to work, you need the following ports for TCP and UDP:
These ports can be opened if you go to Control Panel and find Windows Firewall.
There, click on Advanced Settings, and on the left, there's the Inbound Rules table. Inside, click on New Rule, and the wizard will open.
In the New Inbound Rule Wizard, click Port and Next. Next, select TCP and enter the ports we’ve mentioned above. Click on Next, and then Allow the Connection. Proceed until the end of the New Inbound Rule Wizard and name it Viber. Click "Finish", and your ports will be opened. The same procedure is for UDP, so you’ll only need to choose it in the NIRL (New Inbound Rule Wizard).
Fixing any Viber issues shouldn’t be a problem if you follow our steps. But, of course, if you have any uncommon issues, you can always contact Viber’s customer support and resolve them. So, now that your favorite messaging app is functioning, it's time to enjoy its premium features!
Recommended reading: 12 Amazing Features You Can Use on Viber
Video calls is a feature which every messenger requires, regardless whether it is a mobile app or desktop tool.
The ability to see your subscriber’s face while calling has become one of the primary functions, inherent in the qualitative app for communication. Of course, the function of making video calls Is available in Viber as well. If you are the owner of old-fashioned device without the front-camera or the build version of Viber app is lower than 5.0 – it’s a pity, but you won’t be able to make video calls through your Viber messenger (but the text messaging and audio calls will be available). Also in order to use this feature your Android OS version can’t be lower than 4.2. If you use iPhone for video-connection – the function is available on iPhone starting from 4S model with iOS not lower than 7.0. If you have just installed Viber on your mobile, of course you may ask: how to make a video call, what settings should I set up in order to transform this idea into reality? On the first occasion, would like to inform you, that you don’t need to customize anything, all the settings are already embedded, so you don’t have to do anything.
As you can see, it’s quite simple to use video call on Viber. If you have suitable camera and quite a modern smartphone, video connection can be arranged in couple of seconds. Another reasonable advantage of this feature – is that thanks to optimization of the app code, the video call in Viber consumes much less traffic than audio calls in Skype. Thus, by using it you save traffic, that can be converted into financial profit in appropriate circumstances.
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Heading: ViberAuthor: minadmins
All registered users in the Viber network have access to the possibility of voice communication between themselves (not to be confused with voice messages in chat).
Some users don't know how to answer an incoming call. There is nothing complicated in this, it is enough to make one simple movement.
For a fee, you can purchase a tariff plan called Viber Out, with which you can call any mobile and landline numbers.
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To be able to receive calls from other subscribers in the Viber network, you must have a permanent connection to the mobile Internet or a wireless point. This is a prerequisite when working with the messenger. nine0005
Whether the phone is locked (black screen) or not, when a call comes in, the following picture will appear on the screen.
This notification has the following information:
The main action bar is shown below:
To answer a call, simply move the joystick from the central part to the green handset. To do this, press the center and, without lifting your finger from the screen, drag it to the right side.
Remove your finger from the screen to start talking.
If an incoming call is to be dropped, the central joystick must be moved to the left in the same way.
Upshift is used in an emergency when there is no way to explain why you cannot accept. Usually, from three to five prepared types of SMS are given, which will be sent immediately after disconnection.
With just one finger, you can easily accept and reject. Unlike regular calls through an operator, where all incoming calls are free, in Viber, Internet traffic is charged equally from all participants in the conversation.
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Regardless of the popularity of the messenger, absolutely all calls cannot be free. Some can be done only with a paid subscription to Viber Out. There are only two advantages:
To activate the service, after starting the messenger, just do the following:
To use, you need to open the profile of the person you need, and click - Call.
By purchasing one of the three tariff plans, the user has the opportunity to contact any person using the messenger, even if he is not registered in the messenger, or call landline numbers. You can even contact emergency services. nine0005
The time has long passed when someone had to dial a number on the rotary display of a home phone to make a call.
Now smartphones allow you to install instant messengers and communicate for free with anyone. It doesn’t matter what country a friend lives in, and what kind of apparatus he has. Viber allows you to call both users of the service via the Internet, as well as to numbers of mobile operators and landline numbers around the world. But no matter how wonderful and multifunctional messenger is, many inexperienced users who first installed it on their smartphones are wondering if how to call Viber . It's good when there is an advanced friend nearby who will tell you and help. And when not, we are ready to help you.
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There are three navigation buttons at the bottom of the screen. nine0005 To make the first call after installing Viber on your smartphone:
You don't have to open the contact's profile, just click on the small purple handset icon in the list itself.
Nearby is an icon with a video camera, which means that by clicking on it you can make a video call. nine0005
To successfully make an audio or video call on the Viber network, make sure your smartphone is connected to 3G, 4G or WiFi. Your friend must also have their phone turned on and an active internet connection.
As we wrote above, Viber is integrated into the phone book and any user of the service can be called directly from there without launching the application itself.
Viber allows you to make calls not only to users of the service, but also to landline numbers and numbers of mobile operators of any country around the world.
This service is called Viber Out and it is paid. The service provides several Viber Out packages for calls around the world "Unlimited" and with a limited number of minutes for calls within Ukraine and some CIS countries. nine0005
If the contact does not use Viber and you want to call him for a fee:
For the older generation, interacting with multifunctional smartphones often becomes a real torment. The banal task of how to answer a call in Viber can become a stumbling block. After all, young people have long been accustomed to smartphone gestures: swipe right, left, up to answer calls. But for our parents, until they have learned how to use smartphones, it is difficult.
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