Cellular Network Not Available for Voice Calls On Oppo A78

The “Cellular Network Not Available for Voice Calls“ error is a common experience for many Android users. In our contemporary world, communication stands as the fundamental pillar of our existence. Yet, the malfunctioning of our devices hinders this connectivity. It often gives rise to numerous complications. Fortunately, your concerns are now a thing of the past.

This article serves as your guide for troubleshooting and overcoming this frustrating dilemma. It has compiled expert perspectives, valuable tips, and detailed, systematic solutions. The article will go through the underlying causes behind this issue and explore potential fixes. By the conclusion of this article, you’ll be armed with the necessary knowledge to tackle this problem.

Part 1. Preliminary Reasons For Cellular Network Not Available For Voice Calls

Facing the “Cellular Network Not Available for Voice Calls Android“ error can be overwhelming. Thus, it becomes evident that specific reasons underlie this issue. Solutions indeed exist to tackle this problem. Yet, comprehending the underlying reasons is equally crucial to resolve the issue:

1. Internet Access

One primary reason behind cellular network unavailability glitches lies in unstable internet access. Voice calls over cellular networks often require a stable internet connection. When this connection fluctuates or drops, it can result in the dreaded error message.

2. Terrain Coverage

Another contributing factor is the geographical terrain. In remote or sparsely populated areas, cellular tower coverage might be limited. It causes a signal disturbance or complete loss of the network.

3. Network Congestion

During peak usage hours or in densely populated areas, network congestion can also be a cause. It leads to temporary unavailability of the cellular network for voice calls. When the network is overloaded with traffic, it might struggle to accommodate more voice calls. That results in connectivity issues.

4. Technical Glitches

Furthermore, technical glitches within the Oppo A78 device or network infrastructure can cause this issue. These glitches could range from software bugs to hardware malfunctions.

5. Battery or Power Issues

In some instances, insufficient battery power or power-saving modes on devices can cause this issue. They affect the Oppo A78 device’s capacity to sustain a consistent connection with the cellular network. This consequently causes voice call unavailability.

Part 2. Prominent Solutions For Cellular Network Not Available For Voice Calls Android

A myriad of purposeful solutions exists to resolve the TracFone cellular network not available for voice calls issue. These solutions are specifically designed to address various underlying causes. The aim of these solutions is to restore smooth connectivity for voice calls. Described below are the top 8 solutions to fix the “Cellular Network Not Available” error:

Method	Efficiency	Difficulty	Duration (Minutes)
Check Network Availability	Moderate	Easy	5-10
Check Airplane Mode	Low	Easy	2-5
Select Network Operator	Moderate	Moderate	5-10
Restart Device	Low to Moderate	Easy	3-5
Enable Roaming Settings	Moderate	Easy	3-7
Update Android Smartphone	Moderate	Moderate	15-30
Performing Factory Reset	High (Last Resort)	Difficult	30-60+
Contact Carrier Provider	High (Specialized Help)	Moderate	Varies (Depends on Carrier Provider)
Wondershare Dr.Fone - System Repair	Highest (Complex Issues)	Easiest	5-10

Solution 1. Check the Availability of Cellular Networks

Before diving into complex fixes, the first thing to do is to check if nearby cell networks are available and how strong their signals are. It is an essential step when trying to fix the “Cellular Network Not Available“ error. This basic check ensures your phone is close enough to a working network tower, which matters for staying connected. It allows you to find out the availability of nearby cellular networks.

Moreover, with it, you can ensure your device is connected to a reliable network. This preliminary check sets the foundation for further troubleshooting.

Solution 2. Check the Airplane Mode of the Smartphone

Another crucial step in resolving this error involves ensuring that the Airplane Mode is disabled. This mode, when activated, disables all wireless connections. It also includes cellular networks, which could lead to connectivity issues. Follow these simple steps to check and disable Airplane Mode on your device:

Instructions: Swipe down on your phone’s screen from the top to access the Notification Panel, unveiling the Quick Settings tiles. Search for the airplane-shaped icon; if Airplane Mode is active, the icon will be highlighted or shown in a distinct color. Tap the Airplane Mode to turn off the Airplane Mode on your Android.

Solution 3. Selecting the Network Operator of the Oppo A78 device

In certain instances, manually selecting your network operator can help. It effectively resolves the “Cellular Network Not Available for Voice Calls Android“ error on your Oppo A78. By choosing the network operator manually, you ensure a deliberate connection to a specific carrier. This potentially bypasses issues related to automatic network selection. Follow these steps to select your network operator manually:

Step 1. Access “Settings” on your Oppo A78, then tap on “Connections.” From there, navigate to “Mobile Networks” and proceed by selecting “Network Operators.”

Step 2. Look for the “Automatically Select” toggle, which will be turned on. Toggle it off to see available networks and choose the one best suited to your device.

Solution 4. Restart Your Device

Sometimes, resolving the “Cellular Network Not Available for Voice Calls“ error on your Oppo A78 can be as simple as performing a restart. This basic troubleshooting step helps refresh the Oppo A78 device’s software. It clears temporary glitches and reestablishes essential connections, potentially resolving network-related issues. Follow these straightforward steps to restart your Oppo A78:

Instructions: Hold down the “Power” button until the Power menu emerges on the display. From there, select “Restart” to initiate the Oppo A78 device’s reboot process.

Solution 5. Enable Roaming Settings

There are situations where you’re in an area with weak or no coverage from your primary network provider. In such a case, enabling roaming settings on your Oppo A78 can sometimes resolve the issue at hand. Enabling roaming allows your device to connect to partner networks. This extends your coverage beyond your home network’s reach. Follow these steps to enable roaming settings on your Oppo A78:

Step 1. Start by accessing your device’s Settings and tapping the “Connections” option. Here, scroll downward to press “Mobile Networks.”

Step 2. Presently, you will encounter the “Data Roaming” option. Toggle this option on to enable data roaming on your device and resolve the issue.

Solution 6. Update Android Smartphone

Updating your Oppo A78’s OS to the latest version can often resolve performance issues. It can also fix network connectivity issues, including the “Cellular Network Not Available” error. Manufacturers regularly release system updates containing bug fixes and security patches. It also includes enhancements that can address underlying software-related problems. Follow these steps to update your Android smartphone:

Step 1. In your device’s Settings, scroll through to find the “Software Update” option. Select it, and on the subsequent screen, verify the availability of any updates.

Step 2. If an update is accessible, select the ‘Download and Install’ choice. Then, proceed by following the prompts displayed on the screen to finalize the process.

Solution 7. Performing Factory Reset

Performing a factory reset is a drastic but effective measure. It can resolve persistent software-related issues, including the “Cellular Network Not Available” error. Be aware that initiating a factory reset results in the deletion of all data and settings stored on your device. Hence, it is crucial to back up any vital information before proceeding with this action. Here is how to fix the Verizon cellular network not available for voice calls:

Step 1. To access your device’s “General Management” section, navigate through Settings. There, tap on “Reset,” and select “Factory Data Reset” from the subsequent screen.

Step 2. You will need to tap “Reset” to confirm your choice. Then, follow the on-screen guidelines carefully to complete the reset process.

Solution 8. Contact Carrier Provider

If you’ve exhausted all options and the issue persists, reaching out to your carrier provider for assistance is a viable solution. Carrier providers can offer specific insights and guidance regarding network-related issues. When connected to customer service, explain the issue you’re experiencing in detail. Contacting your carrier provider enables you to tap into their expertise and resources.

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Part 3. [100% Resolvable] Resolve Cellular Network Not Available For Calls Issues

Despite all your attempts, the cellular network not available for voice calls remains unresolved. It might state a more complex software-related issue or glitch within the Oppo A78 device. However, there’s a solution designed explicitly for addressing such complex issues. That software is Wondershare Dr.Fone, a comprehensive toolkit for Android devices. It stands out as the world’s first one-click Android repair tool.

Dr.Fone specializes in resolving a wide array of Android system issues, including the notorious black screen of death. With this tool, users can effortlessly restore their Android system to normal functionality.

Key Features of Wondershare Dr.Fone

Fone’s advanced repairing mechanism has the ability to repair even the bricked Android devices.
This tool supports more than 1000 models of Android devices across different brands for system repair.
It boasts the highest success rate when it comes to fixing Android devices.

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Repair Android System Errors without Any Trouble.

Fix your Android to normal, no skills required.
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The high success rate in resolving Android system issues.
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User-friendly interface with easy-to-follow steps.

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Steps Needed To Fix the Cellular Network Not Available for Calls Issue via Wondershare Dr.Fone

The following are the steps to resolve the Tracfone cellular network not available for voice calls using Wondershare Dr.Fone:

Step 1. Open Wondershare Dr.Fone and Opt for System Repair

Launch the software. Then, navigate to the “Toolbox” section located in the left panel. Connect your Oppo A78 and proceed by choosing “System Repair.” Then, opt for “Android” to specify the Oppo A78 device type. On the subsequent screen, click “Start” to commence the repair procedure.

Step 2. Provide Details of Your Android Device

The system automatically identifies the brand of the Android device undergoing repair. Afterward, choose the “Name,” “Model,” “Country,” and “Carrier” from the provided list options. If the Oppo A78 device is already unlocked, you can choose OPEN in the Carrier section. Then, confirm by checking the warning box indicating agreement and readiness to proceed. Click on “Next” to initiate the repair process for your Oppo A78.

Step 3. Complete the Android Repair Process Successfully

Follow the guidance displayed on your device’s screen to access Download Mode. Once in, the firmware download begins automatically. During this process, the platform verifies and presents the firmware details. Select “Fix Now” to proceed with the installation of the firmware onto your Oppo A78. Since Android repair will result in the deletion of all data, input “000000” to confirm. This action initiates the system repair process.

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Conclusion

In conclusion, facing the “Cellular Network Not Available for Voice Calls“ problem on your Oppo A78 can be frustrating. This article has explored many ways to fix this issue. These include simple checks like turning off Airplane Mode to solutions like contacting your carrier. However, when facing persistent network problems, a tool like Wondershare Dr.Fone becomes the only hope.

Among the various methods discussed, Dr.Fone stands out as a top choice. Its thorough system repair function targets and removes complex software glitches. The tool’s easy interface, broad compatibility, and secure repair process make it perfect. It is ideal for users looking for a reliable solution beyond regular troubleshooting.

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Fix Unfortunately Settings Has Stopped on Oppo A78 Quickly

All of you, sooner or later, must have found the “Unfortunately Settings has stopped” error on your Oppo A78. The problem can occur if the Settings keeps stopping or crashing. Many times, you may try to open the Settings but it doesn’t even open. Or possibly, it may freeze after getting opened thereby hampering the Oppo A78 device’s performance.

Well! There can be a number of reasons why this thing happens. For instance, custom ROM installations, not enough space in the Oppo A78 device or perhaps an outdated version of Android. If you are struggling with the same issue and want to know what to do when Android Settings is not responding, this post will help you. We have explained everything in detail along with the solutions. So, scroll down and get things sorted.

Part 1: Clear the cache of Settings and Google Play Service

It is possible that the corrupted cache files are responsible for this error. Hence, as the first tip, we would like you to clear the Settings cache if that is what triggers the “Unfortunately Settings has stopped” issue. Clearing it would definitely make Settings run appropriately. And The steps to clear the cache of the Google Play Services app are similar. Here is how to clear the cache of Settings:

Open “Settings” on your Oppo A78 and choose “Apps & Notifications”/”Apps”/”Application Manager” (the option may differ on different devices).
In the list of applications, look for “Settings” and open it.
Now, select “Storage” followed by “Clear Cache”.

Note: In some phones, the “Clear Cache” option may come after tapping on “Force Stop”. Therefore, go accordingly without getting confused.

Part 2: Clear the Android phone’s RAM and retry

As the next tip, we would like to suggest you clear your device’s RAM by ceasing the running apps in the background. RAM, if at the increased level, is responsible for the Oppo A78 device’s freezing, poor performance, and most probably is the reason behind crashing Settings. Also, if the apps in the background keep running, they might conflict with the Settings and stop it to perform properly. Therefore clearing RAM is important when Android Settings is not responding. Here is how to do it.

Firstly, you need to go to the Recent apps screen. For this, long-press the Home key.
Note: Please note that different devices have different ways to go to the Recent apps screen. Do it according to the Oppo A78 device you own.
Now, swipe the apps and tap on the clear option. You will be able to notice the amount of RAM cleared

Part 3: Uninstall the Google update

Uninstalling Google Play Store updates has also responded well to many users. It has worked in the case of the “Unfortunately Settings has stopped” error. So, we would also like to suggest you use this tip if the others don’t work. Here are the steps to be followed for this.

Open “Settings” on your Android and tap on “Application manager” or “Apps” or “Application.
Now, head to all the apps and select “Google Play Store” from there.
Tap on “Uninstall Updates” and restart your device to check if the crashing Settings issue has been resolved.

Part 4: Uninstall the custom ROM or re-flash the stock ROM

Using a custom ROM on your device brings up this problem due to incompatibility or improper installation. Therefore, you should either uninstall the custom ROM or re-flash the stock ROM. in order to re-flash the stock ROM of your Oppo A78, the best way would be Dr.Fone - System Repair (Android). It offers one-click functionality to flash stock ROM and that too with full security. Supporting all Oppo A78 devices, it ranks among its counterparts when it comes to fixing crashing Phone app issues or any other Android system issue. It is loaded with the beneficial features which are discussed below.

Dr.Fone - System Repair (Android)

Android repair tool to fix “Unfortunately, Settings Has Stopped”

You needn’t be a tech-savvy to use this
Supports a wide range of Android devices easily, 1000+ being more precise
One-click tool and supports any sort of Android system issue
Higher success rate along with millions of trusted users
Trustworthy and offers an extremely easy interface

4,635,310 people have downloaded it

How to fix crashing Settings using Dr.Fone - System Repair (Android)

Step 1: Download Tool

Visit the official website of Dr.Fone and download the toolbox from there. Go for the installation process and wait until the installation gets over. Launch it now and choose the “System Repair” tab from the main window.

Step 2: Get the Phone Connected

With the help of a USB cable, plug your Oppo A78 into the PC. Upon proper connection, hit on the “Android Repair” option from the left panel.

Step 3: Feed Correct Information

In the next window, you need to fill in some necessary information like the name and model of the mobile device. Enter details like country and career. Check once and hit on “Next”.

Step 4: Enter Download Mode

Now, you need to take your device into Download mode. For this, you need to follow the onscreen instruction according to your device. Click “Next” and you will notice the firmware downloading progress on your screen.

Step 5: Repair the Issue

Once the firmware is completely downloaded, your Oppo A78 will automatically start getting repaired. Stay there and you will receive a notification that the repair is done.

Part 5: Wipe cache partition to restore Settings

Like RAM, wiping cache is also vital so as to make the Oppo A78 device’s operation smoother. And when you are getting the “Unfortunately Settings has stopped” error, it might be due to the collected cache. To remove it, you will need to enter the recovery mode. And the steps for recovery mode range from device to device. For instance, Oppo A78 users have to press the “Home”, “Power” and “Volume Up” buttons. Similarly, HTC and LG device users are supposed to press the “Volume Down” and “Power” buttons. For Nexus, it is “Volume Up, Down” and Power key combinations. Therefore, before going further, make sure what device you own and enter the recovery mode according to it. Now, follow the detailed guide below to wipe the cache partition in order to fix crashing Settings.

Primarily, turn off the Oppo A78 device and enter the recovery mode by pressing the respective key combinations.
You will notice a Recovery screen on your device.
On showing up the recovery screen, look for the “Wipe Cache partition” option and use the “Volume Down” and “Volume Up” buttons to scroll down and up respectively.
On reaching the required option, press the “Power” button to start wiping.
Once finished, click the reboot option and the Oppo A78 device will be rebooted, fixing the issue hopefully.

Part 6: Factory reset your Android

You can also opt for Factory resetting your device to fix the issue of Settings keeps stopping. By removing everything from the Oppo A78 device, it will make your device run properly. If you have important data on your device, please make sure to create a backup before taking action if you don’t want to lose it. The steps are as follows.

In the “Settings, go to “Backup and Reset”.
Tap on “Factory data reset” followed by “Reset device”.
Wait for the completion of the process and check if Settings is stopping or not after it gets rebooted.

Part 7: Check and update Android OS

A lot of times minor issues crop up due to the operating systems that get outdated. It is because the Oppo A78 device needs to get updated from time-to-time for proper functioning otherwise it will not be able to match up with the fading technologies thereby coming up with issues like “Unfortunately Settings has stopped”. We recommend here you check for the available update and update your device. For this follow the guide below.

Go to “Settings” and tap “About Phone” on your device.
Now, hit on “System Update” and the Oppo A78 device will look for any available update.
If there is any, go along with the prompts to install it and make your phone even smarter.

Conclusion

If your Oppo A78 shows the “Unfortunately Settings has stopped” error, don’t worry. This problem can come from many things like old software or cache issues. You can try easy fixes like clearing cache or updating your system. Sometimes, removing custom ROMs might be needed.

For iOS users facing similar problems, we recommend using Dr.Fone-System Repair (iOS) . It’s known for fixing many iOS problems without losing any data. Remember, a well-working device is just a few steps away!

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[8 Quick Fixes] Unfortunately, Snapchat has Stopped on Oppo A78

Have you ever been deep in conversation with a loved one or friend, taking advantage of all the funny filters and games Snapchat has to offer when you’ve suddenly been presented with the ‘Unfortunately, Snapchat has Stopped’ error code? This is usually followed by the app crashing back to the main menu.

If so, don’t worry; you’re not alone. Snapchat crashing in this way is nothing new, but it can be incredibly annoying when it keeps happening and stops you from enjoying the conversations you care about.

Fortunately, there are plenty of solutions out there to help you out and get the app working again as it should do. Today, we’re going to explore them all to help you get back to what you were doing before and as though there was never a problem.

Part 1. Install Snapchat again from Google Play Store

One of the best ways to resolve the Snapchat crashing problem or Snap Map not working issue is to delete the app and reinstall it again. When you’re using your phone, there is data continually flowing around and data being sent here, there, and everywhere.

During these processes, bugs can occur, and if they can’t sort themselves out, the best thing to do is to reset your app and start from a fresh installation. Here’s how to do it.

Step 1: Hold down the Snapchat app from your main menu and press the ‘x’ button to uninstall the app.

Step 2: Open the Google App Store from your device and search ‘Snapchat’ in the search bar. Find the official app page and download the app onto your device.

Step 3: The app will automatically install itself once downloaded. Open the app, sign in to your account using your log-in details, and you should be able to use the app like normal.

Part 2. Check for new Snapchat Updates

Hand in hand with the problem above, sometimes a bug can restrict Snapchat from working, or perhaps your personal update settings. If you receive a Snapchat from someone with an upgraded version, this can crash your app.

Here’s how to make sure you’re running the latest version of Snapchat is Snapchat isn’t responding.

Launch the Play Store and navigate to the My Apps and Games page
Tap the Update button
The app will now automatically update to the latest version

Part 3. Wipe the cache of Snapchat

If you have a lot of data in your Snapchat cache, this can cause the app to become overloaded in which you’ll need to clear it to start again and refresh the app. This is a common problem that can cause Snapchat has stopped working error.

Here’s how to fix it.

Open the Snapchat app and tap the Profile icon on the top left-hand side of your screen
Tap the Settings gear icon on the top right
Scroll down the Settings menu and tap the Clear Cache option
Here, you can choose to Clear All, but you can select individual areas if you prefer
Tap the Confirm option to clear your cache preference completely

Part 4. Fix the system issues that caused Snapchat stopping

If you’re experiencing the Snapchat crashing on Android often, or you’re experiencing similar errors with other apps, this can be an indication that there’s something wrong with your Android operating system.

The best way to fix this is to repair your device using the software known as Dr.Fone - System Repair (Android). This is a powerful repair system that can completely recover your device from any errors, including the Snapchat keeps crashing error.

Dr.Fone - System Repair (Android)

Dedicated repair tool to fix Snapchat crashing on Android.

Recover your device from any problem, including black screen or unresponsive screen.
Supports over 1000+ unique Android devices, models, and brands.
Trusted by over 50+ million customers around the world.
Can fully repair faults with your Oppo A78’s firmware in a few simple steps.
One of the most user-friendly applications in the world.

3,889,035 people have downloaded it

To help you make the most of this Android repair software and to fix your Snapchat not responding error, here’s a step-by-step guide on how to use it.

Step 1: Download the Dr.Fone - System Repair (Android) software to your computer. Install the software to your Mac or Windows computer by following the onscreen instructions.

Once completed, open the software, so you’re on the main menu.

Step 2: From the main menu, click the System Repair option, followed by the Android option. Of course, if you have an iOS device you want to repair in the future, the option is there if you want it. Also, connect your Oppo A78 to your computer using the USB cable.

Step 3: Confirm details.

On the next screen, use the drop-down menus to confirm the model, brand, operating system, and carrier of your device. Click Next to confirm the details are correct.

Step 4: You’ll now need to put your phone into Download Mode, sometimes referred to as Recovery Mode. For this, you can follow the onscreen instructions. Make sure your device stays connected to your computer throughout this process.

The method will slightly differ depending on whether your device has a home button, so make sure you follow the right instructions for your individual device.

Step 5: Once in Download Mode, the software will now download and install a fresh version of your Oppo A78’s operating system. This can take some time, so make sure your device stays connected, and your computer stays on and doesn’t shut down.

Step 6: That’s it! Once you see the screen saying your device has been repaired, you’ll be able to close the Dr.Fone - System Repair (Android) software, disconnect your phone, and can start using Snapchat as normal without the Snapchat not responding error coming up!

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Part 5. Check for the Android update

Similar to some of the other solutions we’ve listed above, if you’re using an outdated version of the Android operating system, but the latest version of Snapchat is coded to the most recent, this can be a cause for the Snapchat crashing on Android problem to occur.

Fortunately, it’s easy to check to make sure you’re running the latest version of Android and to download and install the update if you need it. Here’s how, which will help to sort out your Snapchat keeps crashing Android problems.

Step 1: Open the Settings menu on your Oppo A78 and select the About Phone option.

Step 2: Tap the ‘Check for Updates’ option. If an update is available, you’ll then have the option to Install Now or Install Overnight. If no update is available, you’ll see a notification stating your device is up to date and no action is needed.

Part 6. Connect to another Wi-Fi

In some cases, you may be trying to connect to a Wi-Fi network that’s not very stable. This may keep cutting the connection to your device, which in turn is causing Snapchat to crash on Android.

To resolve this, you can simply try connecting to another Wi-Fi network or a data plan to see whether this is the problem. If so, changing network and then using the Snapchat app should stop any error messages from occurring.

Step 1: Open the Settings menu on your Oppo A78, followed by the Wi-Fi option.

Step 2: Tap the new Wi-Fi network you’re currently connected to, and then tap the ‘Forget’ option, to stop your phone connecting to it.

Step 3: Now tap the new Wi-Fi network you want to connect to. Insert the Wi-Fi security code and connect. Now try reopening and using the Snapchat to see if you can use it.

Part 7. Stop using the custom ROM

If you’re running a custom Android ROM on your device, with some versions of the ROM and some apps, you’re going to experience errors simply because of the way the apps and the ROMs are coded and designed.

Unfortunately, there’s no easy fix to this, and if you want to continue using the app, you’ll need to reflash your Oppo A78 back to its original firmware, and then wait until the ROM developers update the ROM to be compatible with social apps like Snapchat.

However, this reflashing process is simple thanks to the Dr.Fone - System Repair (Android) software that we listed above. To follow the detailed step-by-step guide, follow the steps on Part 4 of this article, or follow the quick guide instructions below.

Download and install the Dr.Fone - System Repair (Android) software to your computer
Connect your Oppo A78 to your Windows computer using the USB cable
Open the software and click the Repair option.
Select the Android device repair option
Make sure your carrier and device information are correct
Put your device into Download Mode by following the onscreen instructions
Allow the software to repair your Oppo A78 automatically

Part 8. Reset the factory settings of your Android

One of the last resorts you can take is factory resetting your Oppo A78 back to its original settings. From the day you first started using your device, you’ve been using the system and downloading files and apps, and over time this increases the chances of creating a bug.

However, by resetting your device to factory settings, you can reset these bugs and get your apps and device working again free from the Unfortunately, Snapchat has stopped error message. Here’s how to factory reset your device.

Make sure you back up your personal files from your device first like your photos and music files because factory resetting your device will clear your device’s memory.

Step 1: Tap the Settings menu on your device and click the Backup and Reset option.

Step 2: Click the Reset Phone option. That’s it! The phone will take several minutes to complete the process, after which your phone will be reset to its original state.

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Cellular Network Not Available for Voice Calls On Oppo A78 | Dr.fone