How to Fix Error 495 While Download/Updating Android Apps On Vivo V30 | Dr.fone

How to Fix Error 495 While Download/Updating Android Apps On Vivo V30 | Dr.fone

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How to Fix Error 495 While Download/Updating Android Apps On Vivo V30

Error 495 is a common error that occurs while downloading or updating apps from Google Play Store. This error is usually caused by a problem with the Google Play Store, and it can be fixed by clearing the cache and data of the Google Play Store app. If you are experiencing this error, follow the steps below to fix it.

In this article, you will learn why the Android error 495 pops up, possible solutions to bypass, as well as a dedicated repair tool to radically fix error 495.

We always like to explore every new feature or the features that already exist on our devices. We have a tendency to be the master of our device and want to know every bit of the handset. Unexpected errors ruin that experience and it is just frustrating to experience these errors. And the worst part is that we have no idea where we are wrong or what we did that led to the error. Same is the case with the error 495 which occurs due to downloading or updating of Android Apps. You may have spent countless hours on the internet to find the right solution for error code 495 but even after following many of the most guaranteed steps sometimes the error still doesn’t go away.

However, this article will provide you various methods to get rid of the Error 495 play store problem that you face and you will not have to depend on any other sources for your solution.

Reasons for Google play error 495

Android Apps are most commonly downloaded from the Google Play Store with the help of Wi-Fi or Cellular Data. One may come across many types of errors. Mostly the errors come in during the download or update or installing time. Error 495 occurs when the user isn’t being able to download or install an app over Wi-Fi, but the user is able to do the same thing over cellular data.

Technically speaking, the issue is caused when the connection to the Google Play servers, where the app is hosted, times out. Which is unable to resolve by itself.

Also, there could be another reason that it cannot sync with the servers.

Now that we know the possible reasons for the error 495, let us also know how to get rid of it in the sections below.

Solution 1: One Click to Fix error 495 by Android Repair

Tried several methods to make the error 495 disappear, but nothing works? Well, many people have experienced the same frustration. The root cause is that something is wrong with the Android system. You need to have your Android system repaired to fix error 495 in this situation.

Note: Having your Android system repaired may lose existing data on your Android. Backup the data on your Android before the Android repair.

Dr.Fone - System Repair (Android)

Best tool for fundamental Android repair in one click

  • Fixes all Android system issues like error 495, system UI not working, etc.
  • One click for Android repair. No special technics needed.
  • Supports all the new Vivo V30 devices like Galaxy Note 8, S8, S9, etc.
  • Step-by-step on-screen instructions provided to fix error 495 without any hassle.

3,390,486 people have downloaded it

With Dr.Fone - System Repair (Android) , you can easily fix error 495 in few steps. Here is how:

  1. Download, install, and launch Dr.Fone - System Repair (Android). Connect your Android to your computer with a USB cable.

fix error 495 with Dr.Fone

  1. Select the option “Repair” > “Android Repair”, and click “Start”.

start the android repair

  1. Select the Vivo V30 device information like brand, name, model, etc., and confirm your selection by typing in “000000”.

fix error 495 by select device info

  1. Press the stated keys to boot your Android in download mode to download the firmware as instructed.

fix error 495 in download mode

  1. After the firmware is downloaded, the program will automatically start to repair your Android.

fix error 495 automatically

Solution 2: Clear the Google Service Framework cache to Fix error 495

Step 1:

Go to the “settings” of your device. Once the series of sections comes up, tap on the “APPS” section.

Step 2:

Click on ‘All Apps’ or ‘Swipe to All’ and the open the section named “Google Services Framework App”

fix error 495-clear app cache.

STEP 3:

Open “App Details” and the screen shown in the image should come up on your device. As shown in the image, follow the three steps. First, tap on “Force Stop” and then second, tap on the “Clear Data” option and finally go ahead and tap on the “Clear Cache” option.

Following the above steps should solve your problem of Google Play Error 495. And you can enjoy back to using the apps which you couldn’t download or update due to the Error 495.

Solution 3: Reset App Preference in Google play Store to Fix error 495

STEP 1:

Go to the settings section in your device. It will be differently placed for different devices and different users.

fix error 495-settings

STEP 2:

Once the Settings section is open. A lot of further sections will pop up. No find the section named “Application Manager” or “Apps”. After locating it, tap on that section.

fix error 495-application

STEP 3:

Now go ahead and tap or slide to a section named “ALL”.

STEP 4:

After reaching the “ALL” section tap the touch button to open menu/properties and choose an option named “Reset Apps” or “Reset App Preferences”.

There’s no need to be alarmed because on clicking the reset option, the apps won’t be deleted but it is only going to re-set them. And hence solving the Error 495 created in the Google Play.

fix error 495-application manager

Solution 4: Fix Error Code 495 by installing a VPN app

The Error code 495 can be easily removed in another interesting way too. On downloading a Virtual Private Network (VPN) and then operating the play store automatically solves the error 495.

STEP 1:

Install Hideman VPN (using any other VPN will also make it work) from Google Play store. (If the error persists for this app too then download it from a different app store or by using a third-party store).

STEP 2:

Now open the app and select the United States as the country of connection and press the option named Connect.

STEP 3:

Open Google Play Store and Download any app without the Error Code 495 coming in and bothering.

This fix will work for most of the Google Play Errors and not just only The Error Code 495.

Solution 5: Remove your Google Account & Reconfigure it to fix error 495

Removing the Google account and re-configuring it is a very common method adopted to get rid of the Error 495. Adopt the following steps to complete this method.

STEP 1:

Go to the “Settings” section of your device. Like it was mentioned before, different devices and different users will have the placement of the settings section in a different place.

fix error 495-settings

STEP 2:

Go to the accounts section in the settings tab.

fix error 495-accounts

STEP 3:

In the accounts section tap on the Google Account part

STEP 4:

Inside The Google section, there’ll be an option called “Remove Account”. Tap on that section, to remove your google account.

fix error 495-remove account

STEP 5:

Now go ahead and re-enter/ re-register your Google account and check if the Error 495 still persists.

Now you have completed all the steps and your problem should be solved.

Solution 6: Fix error code 495 by Removing your Google Play Store Data & Cache

One of the best and most accurate methods in the series of various steps in eradicating the Error Code 495 in Google Play Store is by removing the Google play Store Data and Cache. In order to do so follow the steps mentioned below. After following the steps it is guaranteed that the Error code 495 will be done with and you won’t experience any such problems in the future.

STEP 1:

Go to the “Settings” section into your mobile device. The settings can be accessed by scrolling down and pulling down the drop-down menu and most likely the settings app will be on the top-right corner. Otherwise, it will be found after opening the app drawer.

fix error 495-settings

STEP 2:

Once after opening the settings section, select the “Installed apps” or the “Apps” section.

fix error 495-installed apps

STEP 3:

Find the “Google Play Store” section and select that too.

STEP 4:

Tap on the “Clear data” & “Clear Cache”.

fix error 495-clear app cache

Doing the above steps will clear your caches of the Google Play Store. Now you have a new google Play store.

Hence in this article, we got to know about the error 495 and the possible solutions to it as well. Also, this article explains how Error code 495 can be removed by 5 different ways. These are the best ways by which you can remove or get rid of the Error Code 495. In case one of the method fails, use the other one to rectify this recurring error 495 on your Vivo V30.

Spotify Keeps Crashing: A Complete List of Fixes You Can Use on Vivo V30

spotify logo

Does your Spotify keep crashing? You’re not alone. This problem is widespread and can happen to anyone. Fortunately, there are ways to rectify it quickly and easily. We’ve prepared a guide to fixing your Spotify crashing problem.

In our guide, you’ll find out why your Spotify keeps crashing. Moreover, you’ll get a list of fixes for your Spotify closing problem and detailed instructions. Once you’ve read our guide, you’ll successfully solve the problem of Spotify crashing on Android.

Part 1. Why Spotify Keeps Crashing

spotify crashing problem

Some people have encountered a problem with their Spotify accounts. Spotify can sometimes keep crashing and closing due to several reasons. For example, it can happen due to your phone not being compatible with the app. This can happen if your operating system isn’t updated to the newest version.

Another reason the Spotify app keeps crashing could be an antivirus or a VPN blocking Spotify from working. Moreover, your device might be out of storage space, causing your phone to slow down and crash apps.

Several other reasons for this problem include network issues, a weak Wi-Fi signal, or the battery saving mode. Furthermore, your apps and files might be corrupted, or an app on your phone might block Spotify from working correctly.

Part 2. Spotify Keeps Crashing: Best Fixes

As you can see, there are numerous reasons for your Spotify crashing. Fortunately, all of them are easy fixes, and there’s no need to worry. We’ve prepared a list of 11 ways to fix your Spotify. With these fixes and detailed instructions, you’ll be able to eliminate your Spotify problem with ease.

1. Fix the Spotify Closing Issue by Repairing Your System

The reason for your Spotify crashing may be more significant than just a bug. Your device system might be behind it. If that’s the case, you might need to repair your system before trying to fix Spotify.

If you want to repair your mobile device’s system quickly and efficiently, try Wondershare Dr.Fone.

Wondershare Dr.Fone is an app that gives you complete control over your phone. You can manage it, back it up, recover files, and repair your system. The system repair option will fix your Android in just a few clicks and allow you to use Spotify freely. The steps go as follows:

  • Step 1: Install and open Wondershare Dr.Fone on your computer and connect your Android.
  • Step 2: Go to the Toolbox section and select System Repair.

select system repair in wondershare dr.fone

  • Step 3: Choose the Android

pick android in wondershare dr.fone

  • Step 4: See which Android errors Wondershare Dr.Fone can fix and click Start.

start system repair in wondershare dr.fone

  • Step 5: Select the **Brand,**Name, Model, Country, and Carrier In the Carrier section, choose OPEN if your device is unlocked.

select your android model in wondershare dr.fone

  • Step 6: Tick the “I agree with the warning, and I am ready to proceed”checkbox and click Next.
  • Step 7: Put your Android in Download Mode. You can find the steps below these instructions.
  • Step 8: The program will automatically download once you put the phone in Download Mode.

downloading firmware in progress

  • Step 9: Once the firmware downloads, click Fix Nowto install it on your Android.

fix your android in wondershare dr.fone

  • Step 10: Type “000000” in the dialog box and click Confirm.

confirm system repair in wondershare dr.fone

  • Step 11: That will start the system reparation, which you can follow on the screen.

android system repair in progress

  • Step 12: Once it finishes, click Doneto complete the system repair.

completed android system repair in wondershare dr.fone

There are two ways to enter Download Mode: one for Android devices with the Home button and another for those without it.

The steps for entering Download Mode on an Android phone with the Home button are as follows:

enter download mode with the home button

  • Step 1: Turn off your phone.
  • Step 2: Press and hold the Volume Down,Home, and Power buttons simultaneously.
  • Step 3: Press the Volume Upbutton to enter Download Mode.

The steps for entering Download Mode on Android devices without the Home button are as follows:

enter download mode without the home button

  • Step 1: Turn off your phone.
  • Step 2: Press and hold the Volume Down, Bixby, andPower buttons simultaneously.
  • Step 3: Press the Volume Upbutton to enter Download Mode.

2. Force-Close the App

You can force-close Spotify and open it again to make it work properly. That is an easy fix if your Spotify has developed a bug. If that is the case, follow the next steps:

  • Step 1: Try opening Spotify.
  • Step 2: If it’s not working, open App Switcher or Recent Apps. Different Android devices open it differently. Thus, you can swipe up from your Home screen, or if you have three buttons at the bottom, press Recent Apps.

recent apps on android

  • Step 3: Find Spotify in Recent Appsand click X or swipe up over it to force-close it.
  • Step 4: Try opening Spotify again.

3. Re-Login to Your Spotify

The Spotify app may be working fine. Maybe you’re having problems with your Spotify account. If so, you can try logging out and logging in again to see if that works. That isn’t a big problem; sometimes Spotify accounts start bugging. You can re-login to your Spotify account by following these steps:

  • Step 1: Open Spotify.
  • Step 2: Tap Settingsin the upper right corner.

settings in spotify

  • Step 3: Scroll to the bottom of the settings and tap Log Out.

log out of spotify

  • Step 4: Tap Log In.

log into spotify

  • Step 5: Enter your login credentials.
  • Step 6: Tap Loginagain, and you’re in.

re-login to spotify with your credentials

4. Restart Your Device

Another way to stop Spotify from crashing can be restarting your Android. The steps may vary slightly depending on the Vivo V30 device, but they’re mostly the same. Follow these steps to restart your device:

  • Step 1: Press and hold the Power button(you must press and hold both the Power and Volume Up buttons on a newer Android device).
  • Step 2: Tap Restart. That will restart your Android, and you can try opening Spotify again.

restart android to fix spotify crashing

5. Set Up Your Time and Date

Another possible reason for your Spotify closing problem could be the incorrect time and date on your Android. That is also an easy fix; you must set it correctly and try opening the app again. Set up your time and date with these steps:

  • Step 1: Open Settingson your Android.
  • Step 2: Go to Systemor General Management (depending on your Android model).
  • Step 3: Go to Date and Time.
  • Step 4: Tap Set Dateand set the correct date.

set date on android

  • Step 5: Go to Set Timeand set the right time.

set time on android

6. Update Your System Software

Your Spotify app might keep crashing because your system is outdated. Try updating it to the latest version to try and fix the crashing problem. The steps for the Android system update are as follows:

  • Step 1: Open Settings.

settings on your android

  • Step 2: Go to System or About Phone.

about phone to find system update

  • Step 3: Select System Update.
  • Step 4: If there’s an available update, tap

install system update on android

7. Update Your App

If your system is updated, then Spotify might need an update. The app might malfunction if you’re using an older version. Thus, updating the app might solve the Spotify crashing problem. You can update Spotify by following these steps:

  • Step 1: Go to the Play Store.

play store on android

  • Step 2: Search and open Spotify in the Play Store.
  • Step 3: Tap Update

update spotify on android

8. Free up Storage

Spotify can start crashing if your Android’s storage space is at capacity. That can also cause other apps to crash, not only Spotify. Therefore, check the storage space and free up as much as possible. Follow these steps:

  • Step 1: Open
  • Step 2: Go to Device Maintenance > Storageor go directly to Storage.

storage in settings on android

  • Step 3: Here, you can see how much of your storage space is available and what’s taking up the most space.

available storage on android

  • Step 4: Then, you can go ahead and clear as much space as you can.

9. Reinstall Spotify

There’s another solution if the Spotify app keeps crashing. You can try uninstalling and reinstalling it again on your Android. That will reset the app and might solve your problem. Follow the next steps to reinstall Spotify:

  • Step 1: Find the Spotify app on your Android.
  • Step 2: Hold the app icon.
  • Step 3: Then, press Uninstall.

uninstall spotify on android

  • Step 4: Press OK.
  • Step 5: Then, open the PlayStore and find Spotify.
  • Step 6: Tap Installto reinstall the app again.

reinstall spotify on android

  • Step 7: Once it installs, log in to test if it’s working.

10. Check if Spotify Is Down

If your Spotify keeps crashing and closing, it might not be your device’s problem. Sometimes, Spotify’s server can be down, and many people face the same issue. If that’s the case, you can check with your friends if their Spotify is working or check online if Spotify is down. To do that, follow these steps:

  • Step 1: Open your web browser.
  • Step 2: Type “Is Spotify down” in the search bar.

search if spotify is down

  • Step 3: You’ll see several websites that check real-time app servers and if they’re down.

spotify server up or down

  • Step 4: Go to one or two and see what they say. If Spotify is down, you’ll need to wait for them to fix the problem.

11. Clear the Cache

When using different apps and websites, your device caches data from those sources. Since there’s no need to pile up your Spotify cache, you can clear it. Follow these steps:

  • Step 1: Open Settings.

settings on android

  • Step 2: Go to Apps.
  • Step 3: Find Spotify and tap it.

spotify in settings on android

  • Step 4: Tap Storageor Storage usage.

spotify storage usage on android

  • Step 5: Tap Clear Cache.

clear spotify cache on android

safe Downloadsafe & secure

Conclusion

If your Spotify app keeps crashing, several reasons might be behind it. For instance, your storage space might be at capacity, your system might need an update, your phone might have a software bug, or the Spotify server might be down.

We’ve given you 11 solutions to fix the Spotify crashing problem. However, if your system needs repairing, you can try Wondershare Dr.Fone for quick and easy repair. This solution and all others will surely help you fix the crashing problem.

7 Solutions to Fix Error Code 963 on Google Play Of Vivo V30

People are increasingly complaining about Google Play Error Codes which pop-up during downloading, installing or updating an App via Google Play Store. Amongst these, the most recent and common one being Error Code 963.

Google Play Error 963 is a typical error which shows up not only when you try to download and install an App but also during App update.

Error 963 cannot be attributed to a particular App or its update. It is a Google Play Store error and is experienced by Android users across the world.

Error Code 963, just like any other Google Play Store errors, is not something difficult to deal with. It’s a minor glitch which can be fixed easily. There is no need to worry or panic if you see Error 963 on Google Play Store preventing your favorite App from downloading or updating.

Read on to find out more about the Google Play Error 963 and best ways to fix it.

Part 1: What is Error Code 963?

Error 963 is a common Google Play Store error which basically hinders Apps from downloading and updating. Many people get worried when Error Code 963 does not let them install new Apps or update existing ones. However, please understand that Google Play Error is not such a big deal as it may sound and can be overcome easily.

Error 963 pop-up message reads as follows: “cannot be downloaded due to an error (963)” as shown in the image below.

cannot download app

A similar message shows up even while you are trying to update an App, as shown in the screenshot below.

can't update app

Error Code 963 is basically an outcome of data crash which mostly is seen in cheaper smartphones. There might another reason for Error 963 preventing Apps from downloading and updating, which is Google Play Store Cache being corrupted. People also speculate SD Card related issues as many-a-times external memory enhancer chips do not support large Apps and their updates. Also, Error 963 is very common with HTC M8 and HTC M9 smartphones.

All these reasons and more can handle with ease and you can continue to use Google play services smoothly. In the following segment, we will discuss various fixes to cure the problem to enable to you download, install and update Apps on your device normally.

Part 2: Easiest solution to fix Error Code 963 on Android

When it comes to the most convenient solution to fix error 963, Dr.Fone - System Repair (Android) cannot be missed. It is the most productive program that covers a wide range of Android issues. It ensures full safety while performing and one can fix the Android issues in a hassle-free way.

Dr.Fone - System Repair (Android)

One click to fix Google Play error 963

  • The tool is recommended for its higher success rate.
  • Not just Google Play error 963, it can fix a large number of system issues including app crashing, black/white screen etc.
  • It’s considered as the first tool that offers one-click operation for Android repairing.
  • There’s no technical expertise needed to use this tool.

4,997,014 people have downloaded it

This section will provide you the tutorial guide for how to fix error code 963.

Note: Before moving to solve the error 963, we would like to inform you that the process may result in wiping away your data. And therefore, we suggest you to make backup of your Vivo V30 prior to fixing this Google Play error 963.

Phase 1: Connecting and preparing the Vivo V30 device

Step 1 – To begin fixing error 963, run Dr.Fone after downloading and installing it on your PC. Now, pick out the ‘System Repair’ tab from the main screen. Thereupon, with the help of a USB cable, make connection between your Vivo V30 and PC

fix google play error 963 using repair tool

Step 2 – On the left panel, you’re supposed to choose ‘Android Repair’ and then click the ‘Start’ button.

select the android repair option

Step 3 – On the following screen, you need to choose the appropriate details for your device like the name, brand, model, country/region etc. Later, go for warning confirmation and hit ‘Next’.

device references selected

Phase 2: Taking Android device in Download mode for repairing

Step 1 – It is essential to get your Vivo V30 or tablet entered in Download mode. For this, following are the steps to be taken:

If the Vivo V30 device contains Home button:

  • Turn the Vivo V30 device off and then keep holding the ‘Power’, ‘Volume Down’ and ‘Home’ buttons altogether for about 10 seconds. Next, release them all and push the ‘Volume Up’ key. This way, your device will enter the Download mode.

fix google play error 963 on android with home key

If the Vivo V30 device contains no Home button:

  • Switch off your phone/tablet and press the ‘Volume Down’, ‘Bixby’ and ‘Power’ buttons for 10 seconds. Leave the buttons and then press the ‘Volume Up’ button for entering download mode.

fix google play error 963 on android without home key

Step 2 – Press the ‘Next’ button and then the program will commence the firmware downloading.

firmware downloaded

Step 3 – Upon successful downloading and verification of the firmware, the process of Android device repairing will begin automatically.

start the fixing process

Step 4 – Within a while, the Google play error 963 will be vanished.

make the fix google play error 963 disappear on android

Part 3: 6 Common Solutions to fix Error Code 963

fix Error Code 963

Since there is no specific reason for Error Code 963 to occur, similarly there is no one solution to the problem. You may use any one of them below or try them all to never see Error Code 963 on your device.

1. Clear Play Store Cache and Play Store Data

Clearing Google Play Store Cache and Data basically means keeping Google Play Store clean and free from trouble-making data stored in respect of it. It is advisable to carry out this process regularly to prevent Errors like Error Code 963 from occurring.

Follow the steps given below to fix  Error Code 963:

Visit “Settings” and select “Application Manager”.

Application Manager

Now select “All” to see all downloaded and built-in Apps on your device.

Select “Google Play Store” and from the options that appear, tap on “Clear Cache” and “Clear Data”.

Clear Data

Once you are done clearing Google Play Store Cache and Data, try to download, install or update the App facing Google Play Error 963 again.

2. Uninstall updates for Play Store

Uninstalling Google Play Store updates is an easy and quick task. This method is known to have helped many as it brings back the Play Store to its original state, free from all updates.

Visit “Settings” and select “Application Manager”.

select “Application Manager”

Now select “Google Play Store” from “All” Apps.

select “Google Play Store”

In this step, click on “Uninstall Updates” as shown below.

Uninstall Updates

3. Shift the App from SD Card to device’s memory

This method is strictly for certain Apps which cannot be updated because they are stored on an external memory card, i.e., SD Card. Such memory enhancing chips do not support large Apps and due to a shortage of space prevents them from updating. It advisable to move such Apps from the SD Card to the Vivo V30 device’s internal memory and then try to update it.

Visit “Settings” and select “Apps”.

select “Apps”

From “All” Apps click on the App which is unable to update.

Now click on “Move to Phone” or “Move to internal storage” and try to download its update again from the Google Play Store.

“Move to internal storage”

Try updating the App now. If the Apps’s update does not download even now, DO NOT worry. There are three more ways to help you.

4. Unmount your external Memory Card

Error Code963 may also occur due to an external memory chip used in your device to enhance its storage capacity. This is very common and can be dealt with by unmounting the SD Card temporarily.

To unmount your SD Card:

Visit “Settings” and keep scrolling downwards.

Now select “Storage”.

From the options that appear, select “Unmount SD Card” as explained in the screenshot below.

select “Unmount SD Card”

Note: If the App or its update downloads successfully now, do not forget to mount the SD Card back.

5. Remove and Re-add your Google account

Deleting and re-adding your Google account in might sound a little tedious but it does not take much of your precious time. Moreover, this technique is very effective when it comes to fixing Error  Code 963.

Carefully follow the steps given below to remove and then re-add your Google account:

Visit “Settings”, under “Accounts” select “Google”.

Select your account and from the “Menu” select “Remove account” as shown below.

select “Remove account”

Once your account is removed, follow the steps given hereunder to add it back again after a few minutes:

Go back to “Accounts” and select “Add Account”.

select “Add Account”

Select “Google” as shown above.

In this step feed in your account details and your Google account will be configured once again.

6. Special technique for HTC users

This technique is specially crafted fro HTC smartphone users who frequently face Google Play Error 963.

Follow the step-by-step instructions given below to uninstall all updates for your HTC One M8 Lock Screen App:

Visit “Settings” and find “HTC Lock Screen” under “Apps”.

Now click on “Force Stop”.

In this step, Click on “Uninstall Updates”.

This remedy is as simple as it sounds and has helped many HTC users to get rid of Error 963.

Google Play Errors are a very common phenomenon these days, especially Error Code 963 which usually occurs in the Google Play Store when we try to download, install or update an App. There is no need to worry if you see Error Code 963 pop-up on your screen as your device and its software are not to be blamed for Error 963 to suddenly surface. It is a random error and can be fixed easily by you. You do not need any technical assistance to deal with the issue. All you need to do is follow the steps introduced in this article to use Google Play Store and its services smoothly.


  • Title: How to Fix Error 495 While Download/Updating Android Apps On Vivo V30 | Dr.fone
  • Author: Nova
  • Created at : 2024-03-18 23:59:15
  • Updated at : 2024-03-21 14:34:25
  • Link: https://change-location.techidaily.com/how-to-fix-error-495-while-downloadupdating-android-apps-on-vivo-v30-drfone-by-drfone-fix-android-problems-fix-android-problems/
  • License: This work is licensed under CC BY-NC-SA 4.0.