Cellular Network Not Available for Voice Calls On Vivo Y77t

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.

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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 Vivo Y77t 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 Vivo Y77t 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 Vivo Y77t 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 Vivo Y77t. 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 Vivo Y77t, 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 Vivo Y77t can be as simple as performing a restart. This basic troubleshooting step helps refresh the Vivo Y77t device’s software. It clears temporary glitches and reestablishes essential connections, potentially resolving network-related issues. Follow these straightforward steps to restart your Vivo Y77t:

Instructions: Hold down the “Power” button until the Power menu emerges on the display. From there, select “Restart” to initiate the Vivo Y77t device’s reboot process.

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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 Vivo Y77t 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 Vivo Y77t:

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 Vivo Y77t’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 Vivo Y77t 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.

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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 Vivo Y77t and proceed by choosing “System Repair.” Then, opt for “Android” to specify the Vivo Y77t 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 Vivo Y77t 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 Vivo Y77t.

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 Vivo Y77t. 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 Vivo Y77t 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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Why isn’t My Vivo Y77t establishing a connection with the cellular network?

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Play Store Stuck on Downloading Of Vivo Y77t? 7 Ways to Resolve

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Part 1: Symptoms when “Play Store Stuck on Downloading”

Just as any problem gives some indication of anything wrong is going to befall. Similarly, a user does feel some unexpected turns of events resulting in Play Store to stick at downloading. If one happens to see that the progress bar has suddenly frozen to a certain scope and taking ages to march any further, it is treated as the first signs for Play store not working properly. Another, such scenario is where your apps are not able to download easily. Rather, the Play store reflects a message downloads are yet in the pending queue. If one happens to witness such problems, these can be in fact be giving you the warning signal of the Play store problem

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Part 2: Causes of why “Play Store Stuck on Downloading”

With technology, uncertainties are bound to happen. It becomes quite tricky to analyze the real problem and craft a solution. As, there can be several causes that might be disturbing the smooth functionality of Play store. Here are some collated issues that we’ve gathered that are indicative of the cause.

The time is not rightly setup: Sometimes, the unexpected root cause of play store failing to work is due to the date and time not set up rightly. If the system time is not according to the standard timing, then the application can misbehave.
Fluctuations in internet connection: If internet speed is running too low or has weaker connection, Play Store download stuck at 99 problem may arise out. Always, use a good speed of internet.
Get rid of Cache: Extras of cache can pose to be problematic in the working of applications. Users must timely clean their devices so as to brush away any kind of cache memory.
Outdated version of Play store app: Users generally do not feel the urge for updating the play store app. It is important to use only the updated version so as the functioning of Google Play app is not affected.

Part 3: 7 fixes for Play Store stuck on downloading

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### 3.1 Check SD card and phone storage space

All the applications, data of one’s device is generally loads directly in phone’s storage or the SD card (if plugged). Hence, it is crucial to check whether your phone storage or SD is not fully occupied. As it can indirectly be the reason why the issue of “**Play Store download stuck at 99%**” might occur. Ensure to get rid of any application that you are no longer using. Or, consider deleting any picture, videos or documents that aren’t required by you.

3.2 Check Wi-Fi or cellular data connection

Sometimes, it’s not your phone that is going all faulty, the root cause might be the internet connection. If the internet is running low or does not seem to be stable, then the play store download problem may occur. Users must ensure that the Vivo Y77t device they are working should have a stable network connection so as to combat the problem. Then, they can try downloading the application and check if the problem is prevalent or not.

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3.3 One click to fix corrupted Play Store components

The world of internet and its intricacies are beyond a novice’s realm. Chances of malfunctioning of Google Play Store may be due to the components relating to Play Store may have gone corrupted. To resolve such issue, the need of a good software that is courageous enough to tackle all kinds of issues is need. For that, the only perfect solution is Dr.Fone - System Repair (Android), an impeccable software useful in providing speedy recovery of your phone. With it you can ward away the issues like boot problem, black screen of death, phone stuck etc.

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Supports compatibility with several kinds of Android phones, including the all Vivo Y77t models even the Vivo Y77t S9.
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Step by Step Tutorial

Here is the complete guide which will help users in understanding how Dr.Fone - System Repair (Android) can vanish Play store download problem completely.

Step 1: Launch Dr.Fone - System Repair (Android) and connect device

First of all, load the program on PC. In the interim, draw connection of device with phone using a genuine cable. Over the interface, tap on “System Repair” mode.

Step 2: Select Android Repair mode

Over the following screen, select “Android Repair” placed at the left panel to resolve play store stuck issue and press “Start” button too!

Step 3: Fill in the information

It is important to add in all the necessary information for successful execution of program. Make sure to give details of “Brand”, “Name”, “Country”, “Model” and all other fields.

Step 4: Ensure to Download Firmware

Now, follow the on the on-screen prompts to boot Android phone into the download mode. Once done, you’re ready to download the suitable firmware package by hitting the “Next”.

Fret not, the program will automatically detect the most suitable firmware for your device.

Step 5: Repair Android phone

After the package downloads, program will repair all kinds of problems surfacing over your phone automatically. This way, the Play store stuck on downloading will get resolved fully.

3.4 Clear data and cache of Play Store and download again

Did you know the piling up of cache memory can certainly pull off a great deal for Play Store getting stuck? Cache data may generally stash the data so that you can access it even in future course. But, this do east up a good chunk of space and result in the misbehavior of Play Store app. You can opt to brush away Play store stuck on downloading by using the following steps.

Get your Vivo Y77t and visit “Settings”.
Then, surf for “Application manager” option and launch “Google Play store” option.
From there, click on “Cached Data” and select the “Clear Cache” option.
Optionally, make use of “Force Stop” feature to halt the functioning of the app.
At last, reboot/restart your smartphone.

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3.5 Update Play Store to the latest version

When was the last time you cared to update your Play store app? Generally, users overlook the need of updating the application. As, they think that it may not be of any greater importance. But, in reality working in an outdated version can directly impact Play Store and cause download problem. Follow the below steps to update Play Store to latest version.

From phone, just launch Google Play Store app from app drawer.
Press the 3 horizontal lines icon over the top and locate “Settings” from the left menu.
In Settings, browse for “Play Store Version” located under “About” section.
Tap on it, if it shows that Play Store app is not updated then proceed with the on-screen prompts to update it to the latest version.

3.6 Try another Google account

If you’re unable to see a streak of hope and wondering why my Play Store is still showing download pending. Well, some unexpected issue might be there with your Google account. As, there are times where your existing Google account can be the hurdle. Therefore, trying your hand in some other Google account might assist to work things out.

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3.7 Avoid downloading large apps

Last but certainly not the least, users must avoid downloading large applications. Especially those games that eats a whopping number of 300+MB of your space. You must always watch out on size of the application is and only then craft the decision to load it on your device. This may help out in keeping the Play store stuck on downloading problem at bay.

Fix the Error of Unfortunately the Process.com.android.phone Has Stopped on Vivo Y77t

Nowadays, smartphones are integral to life. They serve as your communication lifeline and powerful personal assistant. However, it can be frustrating when a sudden error disrupts our phone’s functionality. One common error Android users encounter is the “Unfortunately, The process.com.android.phone has stopped” error. Fear not if you have come across this error message on your Vivo Y77t.

This beginner’s guide is here to help you understand the causes of this problem. It will also provide you with practical “unfortunately the phone has stopped solutions.”

Part 1: Learn Why Unfortunately the process.com.android.phone Has Stopped

The error message “Unfortunately, the process com.android.phone has stopped“ typically appears on Android devices when there is an issue with the Phone app. Issues with underlying processes responsible for handling phone-related functions are also a cause.

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It can prevent you from making or receiving phone calls, accessing contacts, or using other phone-related features. Following are some of the possible reasons why you may encounter this error:

App or System Update

When you update your device’s OS or the Phone app itself, it is possible to encounter bugs or compatibility issues. These issues can lead to the Phone app crashing and displaying this error message. Sometimes, the updated software may not work with the existing configurations of the Phone app. It results in instability which causes this error.

App Cache/Data Corruption

The Phone app relies on cached data and stored settings to function properly. If the cache or data of the app becomes corrupted, it can cause the Phone app to malfunction. The reasons include interrupted app installations or updates, improper shutdowns, or software conflicts. As a result, you may see the error message indicating that the process com.android.phone has stopped.

Insufficient System Resources

Android devices need sufficient memory (RAM) and processing power to run apps smoothly. If your device is running low on memory or processing capacity, it may struggle to handle the Phone app and its processes. It can lead to crashes and the error message. Running many resource-intensive apps at the same time also causes this issue. Other reasons include too many background processes that contribute to this error.

Conflicting Third-Party Apps

Third-party apps installed on your device can sometimes conflict with the Phone app. These conflicts can occur for various reasons, such as incompatible app versions. The software bugs within the third-party apps or configurations can also clash with the Phone app. Such conflicts can disrupt the normal operation of the Phone app. The result of all this trigger the error message.

Software or Firmware Glitches

Software glitches or firmware issues can occasionally occur in Android devices. These glitches can affect the functioning of system processes, including the Phone app. They may arise from programming errors and system inconsistencies. Sometimes unexpected interactions between different OS components can also lead to this error.

Part 2: 100% Working Fixes To Fix Unfortunately the process.com.android.phone Has Stopped

Having been denied access to your Phone can cause a lot of issues. Luckily, many simple fixes to the “process.com.android.phone has stopped“ error exist. These solutions have worked for many users, and by following them, you may be able to resolve the issue too. Given below are the top 8 fixes to resolve this error and restore your device’s phone functions:

Fix 1: Restart/Reboot your Android Device

One of the simplest yet effective solutions to tackle the “Unfortunately, the process com.android.phone has stopped“ error is to reboot your Vivo Y77t. Restarting your device can often resolve temporary software glitches or conflicts. This fix requires no technical expertise.

So, it is worth trying before moving on to more complex solutions. Follow the guide below to restart your Vivo Y77t and potentially fix the error:

Step: Long-press your Vivo Y77t’s “Side” key and wait for the power menu to appear. Here, select “Restart” to initiate the reboot of your phone.

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Fix 2: Re-insert the SIM Card

There is also a chance that the reason you are seeing this error message relates to the SIM card. A loose or improperly inserted SIM card can cause disruptions in the phone’s communication functions. As a result, you see the “Unfortunately, the process com.android.phone has stopped“ error.

To fix this error, you can remove the SIM card and then re-insert it. If the issue is actually related to a SIM card, the issue will get resolved after you resolve the problem.

Fix 3: Clear the Cache and Data of the Phone App

The “Unfortunately, the process com.android.phone has stopped“ error is connected to the Phone app. In this situation, clearing the cache and data of the Phone app itself can often resolve the issue. This fix focuses on removing any corrupted or conflicting data within the app.

Once the corrupted data is gone, it will restore the Phone app to proper functioning. Here is how to clear the cache and data of the Phone app on an Android device:

Step 1: Find the Phone app on your Vivo Y77t and long-press its icon. A small menu will pop up where you need to select “App Info.”

Step 2: It will lead you to detailed information about the Phone app. Here, press “Storage,” and following that, you will see the “Clear Cache” and “Clear Data” options. Use them in the same order to clear the cache and data of the Phone app.

Fix 4: Disable Automatic Updates Feature

In some cases, this error may occur due to conflicts or compatibility issues with the automatic app updates feature. The automatic update on your Vivo Y77t keeps your apps updated. Disabling this feature temporarily can help resolve the problem.

As a result, you will be able to use the Phone app without interruptions. To disable the automatic updates option on the Google Play Store, you can use the following steps:

Step 1: Navigate to the Google Play Store app on your Vivo Y77t and launch it. Next, tap on the profile icon in the screen’s top right corner. From the options presented, select “Settings.”

Step 2: In Settings, press “Network Preferences” to expand the option. Now, open the “Auto-update apps” settings and enable the “Don’t auto-update apps” option.

Fix 5: Clear All Apps Cache and Data

When dealing with this error, clearing the cache and data of all apps on your Vivo Y77t can also help. Doing this will remove any corrupt or conflicting data that might be causing the issue. This fix targets the overall app ecosystem on your device.

It intends to ensure a clean slate and potentially resolve the error. Use the following guide to clear the cache and data of all apps:

Step 1: Access your Vivo Y77t’s Settings and tap the “Apps” option. It will lead you to all the apps running on your phone. Here, select an app to see detailed app info.

Step 2: On the app info screen, scroll down and press “Storage.” Now use “Clear Cache” to clean the app’s cache and “Clear Data” to erase the app’s data. Repeat the same process for all the apps installed on your device.

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### Fix 6: Clear SIM Toolkit Cache and Data

It is worth considering the SIM Toolkit is a potential source of the problem. The SIM Toolkit is an app that provides functionality related to your SIM card. Its functions include accessing value-added services and managing mobile network settings. Clearing the cache and data of the SIM Toolkit app can help resolve this issue. The steps you need to clear the cache and data of this app are the following:

Step 1: On your Vivo Y77t, find the SIM Toolkit app. After finding it, press and hold its icon until a short menu appears. Choose “App Info” from the available options to access its settings.

Step 2: Now, you need to tap “Storage” to proceed. On the next screen, first, tap “Clear Cache” to clean the cache, and later press “Clear Data.”

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Fix 7: Perform Factory Reset

If all previous fixes have been unsuccessful, performing a factory reset is also an option to resolve this issue. It is a drastic measure that can potentially address underlying software issues. However, it’s important to note that a factory reset will erase the entire data and settings of your device.

So, it’s crucial to back up your important files before proceeding with this fix. By doing so, you can restore your device to its original state and eliminate the error. Use the detailed guide described below to factory reset your Vivo Y77t:

Step 1: Start by launching the Settings app and selecting “General Management.” Here, choose “Reset,” and following that on the next screen, tap “Factory data reset.”

Step 2: After tapping “Factory data reset,” hit the “Reset” option. Next, enter your Vivo Y77t PIN to confirm the process, and use “Delete All” to start the factory reset process.

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Fix 8: Try Wondershare Dr.Fone - The Best and Most Reliable Android System Repair Tool

It must be a frustrating experience to try one solution after the next and not be able to resolve the issue. In such situations, the best thing you can do is find a tool that can resolve all Android system problems. While there are many options available online, not all are great. The best Android system repair tool currently available is Wondershare Dr.Fone.

Using Wondershare Dr.Fone, you can fix issues like “Unfortunately, the process.com.android.phone has stopped,” Play Store not working, frozen phone, and many more. It is a specialized tool for resolving Android system issues in Vivo Y77t devices with support for all modern Vivo Y77t phones.

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Wondershare Dr.Fone supports over 1000 Android models for system repair and can fix most issues within minutes.

Steps To Fix the process.com.android.phone Has Stopped via Wondershare Dr.Fone

All you need to fix your Vivo Y77t’s system issues is a computer with Wondershare Dr.Fone installed and your device connected to it. Here is the simplified process of resolving most Android system issues in a matter of minutes:

Step 1: Link Your Android Device with Wondershare Dr.Fone

To start, connect your Vivo Y77t to your computer. Launch Wondershare Dr.Fone on your computer screen and click on “Toolbox,” located in the left sidebar. From the options available, select “System Repair” and follow it by clicking “Android” on the next screen.

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Step 2: Enter the Required Details of Your Vivo Y77t

Click on “Start” to initiate the process, and following that, you will be prompted to provide specific details about your Vivo Y77t. These details include the “Brand,” “Name,” “Model,” “Country,” and “Carrier.” Afterward, tick the box that says, “I agree with the warning, and I am ready to proceed,” and click “Next.”

Step 3: Resolve The process.com.android.phone Has Stopped Issue

The subsequent step involves entering Download Mode on your device, following the on-screen instructions provided by the software. Once your device is in Download Mode, this Android repair toolkit will proceed to download and install the relevant firmware. Now, select “Fix Now” and confirm the repair of your Vivo Y77t by entering the code “000000.”

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Conclusion

To sum the article up, encountering the frustrating error message “Unfortunately, the process com.android.phone has stopped“ can be daunting. However, with the right knowledge and tools, resolving this issue becomes achievable. Throughout this guide, we have explored various troubleshooting methods. These included clearing the cache, rebooting the Vivo Y77t device, and even performing a factory reset.

While there are many options to fix this error, only one is an excellent choice: Wondershare Dr.Fone. With its powerful Android system repair feature, Wondershare Dr.Fone is a reliable solution to resolve this error.

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Cellular Network Not Available for Voice Calls On Vivo Y77t | Dr.fone