Authentication Error Occurred on Oppo A78? Here Are 10 Proven Fixes | Dr.fone
Authentication Error Occurred on Oppo A78? Here Are 10 Proven Fixes
There are times when users get an authentication error while they connect to a Wifi network. The problem is mostly found in Android whenever a device tries to establish a connection to Wifi. If your device is also experiencing an authentication problem Wifi, then don’t worry. It can easily be resolved. In this post, we will make you familiar with the root cause for the Oppo A78 Wifi problem and how you can resolve whenever authentication error occurred on your device.
Part 1: Any idea about the Wi-Fi authentication problem?
Wi-Fi authentication has to be done every time you wish to connect to a Wi-Fi network over your smartphone or laptop. To authenticate yourself and connect to the protected Wi-Fi network, you need to have the password of it. But if after you’re putting in the correct password and still experiencing the wifi authentication problem. Here’s what you need to know.
Authentication error occurs when the “deal” between the Wi-Fi router and device fails due to certain reasons. First, the Oppo A78 device sends the password of the network and the “connect” request in an encrypted format to the Wi-Fi router. Then, the router decrypts the password and compares the password saved on it. Now, if the password matches, it sends affirmation for the “connect” request, and then the Oppo A78 device is allowed to connect to the network.
Part 2: Why Authentication Error Occurred when Connecting to Wifi?
There could be plenty of reasons for facing an authentication error on your device. Most of the time, it occurs whenever a Wifi router seems to malfunction. Furthermore, if your phone has been recently updated, then chances are that there could be an issue with its drivers. A security attack can also make your device malfunction as well. An unstable connection or a router blockage can also be a reason for this issue.
In this scenario, whenever you try to connect to a Wifi network (even after supplying the correct password and username), it doesn’t connect to it. Instead, it displays an authentication error occurred promptly. Thankfully, there are plenty of ways to overcome the authentication problem Wifi. In the next section, we have provided three different solutions to fix the Oppo A78 Wifi problem (as it mostly happens on Android devices).
Part 3: 10 Solutions to Fix Wifi Authentication Error
Before we make you familiar with different fixes for the Wifi authentication error, it is important to check your router beforehand. Chances are that you could be getting the authentication error because your router is not functioning properly. You can restart it and try to connect any other device to it as well to check it. After making sure that there is no problem with your network or router, follow these suggestions to overcome the authentication error occurred issue.
Check if extra characters added in Wi-Fi password
Ensure that no other extra characters are being added in the Wi-Fi password while you’re entering it. Key in the password carefully while viewing the characters, and then check if the authentication error occurs or not.
One-Click to Fix Wifi Authentication Error by Android System Repair
Android system repair is considered the most effective way to fix Wifi Authentication Error. As the bottom-layer Android system files may be corrupted unconsciously with days of phone use, the Wifi Authentication Error may be one of the symptoms.
So Android repair requires programming knowledge to do it?
No! With Dr.Fone - System Repair (Android), you can do Android repair in just a few steps and get all issues like Wifi Authentication error fixed easily.
Dr.Fone - System Repair (Android)
An easy-to-operate tool to fix Android system issues like a Wifi authentication error
- Fixes all Android system issues like a black screen of death, Wifi authentication error, etc.
- One-click to fix the Wifi authentication error. No technical skills required.
- Supports all the new Oppo A78 devices like Galaxy S8, S9, etc.
- Easy-to-follow instructions provided on each of the screens.
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Here are the steps to fix Wifi Authentication Error by Android system repair:
Note: Android repair is effective to permanently fix Wifi Authentication Error, but may wipe out the existing phone data. Backup all the important Android data to PC before you go on.
- After the Dr.Fone tool is downloaded, install, and launch it. You can see the following screen.
- Connect your Oppo A78 to the computer, and select “Android Repair” in the middle.
- Select all the details that match your device, and click “Next”.
- Next up, you should boot your Oppo A78 in download mode by following the on-screen instructions.
- Allow the program to download the corresponding firmware. After that, the Android repair will start and get the Wifi Authentication Error fixed in minutes.
Use static IP address instead of DHCP
DHCP, or Dynamic Host Configuration Protocol is the default IP address assignment for the Wi-Fi settings on many devices. Whereas DHCP can cause IP address conflict during the dynamic IP address assignment. So, you’d better change “DHCP” to “Static” to see if the authentication error persists.
Step 1: Head to the “Settings” of your Oppo A78 and then opt for “Wireless and Networks” followed by “WLAN/WiFi”.
Step 2: Now, hit on the WiFi network that is showing “authentication error occurred”.
Step 3: Depending on your Oppo A78 model, look for “IP Settings” and tap on it. Now, switch the “DHCP” to “Static”.
Step 4: Note down the static IP address fields and wipe off all the fields. Punch it in again and then save it.
Check carefully for duplicate Wi-Fi names before you connect
Perhaps, you might connect to a WiFi with a similar name. There are good chances that some users do not modify their WiFi network name and possibly, your neighbor may have the same WiFi network, service provider. Therefore, ensure you connect to the correct WiFi network.
Reset the Wifi network
One of the easiest ways to fix the authentication problem of Wifi is to reset the network. To do this, you would be required to forget the respective network first and then connect to it again. This can be done by simply following these steps.
1. Firstly, you need to forget a Wifi network. To do it, go to your phone’s Settings > WiFi and network. From here, you can see a list of all the Wifi hotspots that your phone connects to. Select the network you wish to forget.
2. When you would select a network, it will provide the basic information related to it. Just tap on the “Forget” button and agree to the pop-up message. This will erase the network’s information from your device.
3. Afterward, turn on your Wifi again and tap to the network you wish to connect to. Simply provide the credentials and tap on the “Connect” button to reestablish the connection. This way, you can reset the network successfully.
Modify network connection
If the above solution won’t work, then you would be required to walk the extra mile to fix the Oppo A78 Wifi problem. After you reset a network connection, if still getting issues regarding the authentication of the network, you need to modify the connection. In this technique, you will be changing the IP settings on your phone to alter the way it establishes a secure connection. You can do it by following these steps.
1. To start with, visit your phone’s Settings and open the Wifi page.
2. This will display a list of all the Wifi networks that are associated with your device. Just long-tap on the Wifi network that you wish to modify. It will open another pop-up window. From here, tap on the option of “Manage network settings”. Sometimes, users also get an option of “Modify network settings” here as well. Simply select it to proceed.
3. It will display basic information related to your Wifi network. Just tap on the “Show advanced options” button to access more options related to the network setting.
4. From the IP Settings menu, change the field from DHCP to Static. This will let you establish a static connection between your device and the router.
5. As soon as you will change it to static, you will get different fields related to your network’s IP address, gateway, DNS, and more. Simply fill these fields and tap on the “Save” button once you are done.
Now, try to connect to the Wifi hotspot again. You would be able to overcome the authentication problem of Wifi.
Change Network Security Type
It has been observed that, when we connect to Wifi, our device chooses a wrong security type. This clashes with the default security protocol of the router and authentication error occurred due to this. If your device is facing the same issue, then it can be fixed by simply changing its security type. To do this, follow these instructions:
1. To change the security type of a network, you need to “Add the network”. If you already have the Wifi network saved, then simply forget the network by following the above-mentioned tutorial.
2. Now, turn on your device’s Wifi and tap on the option of “Add network”. Here, you would be asked to give a network name and select the security type. To manually select it, tap on the “Security” option.
3. From here, you will get a list of various security protocols that you can pick. Select “WPA/WPA2-PSK” and save your selection.
Now, try to connect to the network again. Most likely, it will let you fix the authentication error on your device.
Update Android firmware to the latest
There are instances where an outdated OS version of your Oppo A78 may create a hindrance in establishing a connection between your device and the WiFi network. You need to update your Android firmware to the latest version and then check if the problem persists or not.
Step 1: Launch “Settings” of your Oppo A78 and then get into the “About Phone” option.
Step 2: Now, opt for the “System Update” option. If the update is available, get your device updated to the latest OS version.
Restart the router and reset Android network settings
Sometimes, the WiFi router may hang up while establishing a connection and therefore, the wifi authentication problem occurs. Try restarting your Wi-Fi router and then check if your device connects successfully. If this doesn’t work, try to reset your Android Network Settings .
Bonus tip: Turn Airplane mode on/off
By simply turning on the Airplane mode (and later turning it off), you can easily fix the authentication problem Wifi most of the time. You can find a toggle button for Airplane mode on the notification bar of your phone. If you can’t find it there, then go to your phone’s Settings > Connection > More Networks and turn on the feature of “Airplane Mode”.
Let it do for a while. Afterward, turn it off and try to connect to the Wifi network again.
After following these quick and easy suggestions, you would be able to fix the Oppo A78 Wifi problem for sure. Even if you use any other Android device, then its authentication error can easily be resolved after these effective solutions. Go ahead and give these expert solutions a try and let us know about your experience as well. If you have any other solution to fix the authentication problem Wifi, then share it with us as well in the comments.
Fix Can’t Take Screenshot Due to Security Policy on Oppo A78
“Can’t take screenshots due to security policy” is a screenshot restriction on your Android smartphone. You’ve probably seen this error message before, especially when taking screenshots of banking or video streaming apps. But why do apps and websites block screenshots? It’s actually for your good.
Screenshots can be misused to steal money or pirate copyrighted content. By prohibiting screenshots, apps and websites can help to protect your data and privacy. If you want to learn more, keep reading. This article will explain why apps and websites prevent screenshot capture and why it’s important for security. We’ll also give you tips on how to take photos of apps and websites that don’t let you take screenshots.
Part 1. Can’t Take Screenshots Due to Security Policy on Android? Here’s Why
Why can’t you take a screenshot of something on your phone and get the error message that says, “Can’t take screenshot due to security policy”? Apps and websites turn off or remove the screenshot feature for a variety of reasons, including:
Device Restrictions
Lots of workplaces and schools have rules against taking screenshots on devices used for work or school. Organizations do this to protect sensitive information and prevent data breaches.
Protect Sensitive Information
Say you’re trying to take a screenshot on your Oppo A78 device, and you get the notification “Can’t take screenshot due to security policy.” Oppo A78 smartphones are not necessarily the problem.
Some apps and websites, such as banking apps, store private data like financial and credit card details. Blocking capturing screenshots is a way to prevent unauthorized access to confidential information.
Follow Regulations
Some industries and organizations have regulations that need them to protect sensitive data. Financial institutions must protect their customers’ financial information, for example. Disabling screenshots is one way to follow these regulations.
DRM-Protected Content
Android can’t take screenshots due to security policy, especially to prevent piracy. Piracy is the distribution of copyrighted material without permission. It can harm businesses that depend on copyright protection.
To prevent this, you can use DRM (digital rights management) to protect copyrighted content. DRM-protected content cannot be screenshotted or copied.
Prevent Fraud
Scammers and other criminals often use screenshots to commit fraud. For instance, people might send fake screenshots to trick others into sharing personal details or money. Disabling screenshots can help to prevent this type of fraud.
Protect Intellectual Property
Many businesses and organizations have valuable information they want to keep safe, such as trade secrets. Disabling screenshots can be helpful to prevent the theft of this intellectual property.
Protect User Privacy
Some apps and websites allow users to share private information. Some apps, like messaging apps, let users share private info. But there are limits.
You can’t take screenshots due to security policy Whatsapp features, View Once media option. This method stops people from taking pictures of private media chats, protecting users’ privacy.
You Are Using a Secure Folder
Companies design secure folders to protect your most sensitive data from unauthorized access, so screenshots are not allowed within them.
Part 2. 8 Ways To Take Screenshots When You Can’t Due to Security Policy
If you’re trying to take a screenshot of an app or website with a security policy in place, there’s usually no way to circumvent it. However, there are a few things you can do to take pictures of these apps and website content.
Enable Screen Capture on Android
Sudden “can’t take screenshot due to security policy” notifications, failing to take a screenshot, and a Oppo A78 user?
If you are using this Android device, you can enable the screen capture feature in the Settings app.
- Step 1: Go to Settings > Apps, then tap the More options icon in the upper right corner.
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- Step 2: Choose Special access > All files access.
- Step 3: Enable Oppo A78 capture.
Once you have enabled screen capture, you can check if you can take screenshots of any app or website.
Enable Screenshots in Incognito Mode
Apps and websites may prohibit screenshots in incognito mode to protect your privacy. However, you can enable the Incognito Screenshot experimental flag in Chrome to bypass this restriction.
- Step 1: Open Chrome on your Oppo A78 and type “chrome://flags” in the address bar.
- Step 2: Search for Incognito Screenshot and choose Enabled from the drop-down menu.
- Step 3: Tap Relaunch on the lower right corner of the screen.
Once Chrome has relaunched, you should be able to take screenshots in incognito mode by pressing the power and volume-down buttons at the same time.
Use Google Assistant
With Google Assistant, taking screenshots on your Oppo A78 is now easier than ever. Just say, “Hey, Google, take a screenshot,” Google Assistant will capture the screen and save it to your gallery.
Use a Third-Party App To Take Screenshots
You can download several applications on Google Play Store if you still can’t take a screenshot due to security policy. Some popular third-party screenshot apps include:
- Screenshot Easy
- Screenshot Tile
- Screen Master: Screenshot Markup
Third-party screenshot apps often use different methods to capture the screen. These might bypass the security measures that prevent you from taking screenshots with the built-in screenshot function.
Capture Your Phone Display With Another Device
If you own another smartphone, you can use it to take a photo of the screen of the Oppo A78 device you’re trying to take a screenshot of. This is a simple workaround for any security policies that may be in place. To do this, open the camera app on your other smartphone and point it at the screen of the first device.
Check the Banking App Settings for Screenshot Permissions
Some banking apps may turn off screenshots by default, but some may allow them in the settings. To check this, open the banking app and select the settings menu. Look for a setting that allows taking in-app photos. If you find it, enable it to allow screenshots to be taken in the app.
Screen Mirroring
Smart View allows you to display your Oppo A78 device’s screen on your smart TV, where you can then take a screenshot of the TV to capture the app or website you need.
- Step 1: Swipe down the top of the screen to access the Quick Settings panel.
- Step 2: Tap the Smart View icon.
- Step 3: Select your TV from the list of available devices and tap Start Now.
Alternatively, if you don’t have a smart TV, you can still mirror your phone screen display to your desktop or tablet using the Oppo A78 Flow app and take a screenshot of your phone’s screen instead.
Use Disable Flag Secure Magisk Module
Still experiencing the error message, “Can’t take screenshot due to security policy?” Bypass Android phone error like this using a module.
The module patches the Android framework to remove the FLAG_SECURE flag from apps. It is a relatively simple process but requires root access and Magisk. This module will turn off the security flag to take screenshots in Incognito mode and other apps.
Authors Verdict
There are a few ways to bypass screenshot restrictions on Android apps and websites, but some methods are more complicated than others. All methods should work, but if you think your device has been compromised, it is important to check if it is a system issue.
You can use a third-party tool like Wondershare Dr.Fone without rooting your device. It is easy to use and supports many Android smartphones. You can try Dr.Fone for free to test if it supports your device and can fix the underlying system issues.
Part 3. Dr.Fone: A Comprehensive Solution for Fixing Android System Issues
Dr.Fone’s System Repair tool for Android cannot bypass the security apps of banking apps and video streaming apps like Netflix. This is because these apps use sophisticated security measures to protect their users’ data.
However, Dr.Fone System Repair tool for Android can fix a wide range of other Android system issues that might happen from installing third-party apps on your smartphone, such as:
Follow this step-by-step guide and learn how to use Dr.Fone to scan your Android smartphone for system issues and repair them.
- Step 1: Once you have downloaded Dr.Fone, install it and launch it on your desktop. Then, connect your Oppo A78 to your desktop using a USB cable.
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- Step 2: From the Toolbox homepage, select System Repair > Android.
- Step 3: Click Start on the new window.
- Step 4: Select an option from the Name, Model, Country, and Carrier in the drop-down lists. Next, select the checkbox to agree with the warning, then click Next in the bottom right corner.
- Step 5: Follow the in-app instructions to put your Oppo A78 on Download mode, then click Next.
- Step 6: Wait while the firmware automatically downloads.
- Step 7: Review the details on the screen and click Fix Now to install the firmware on your smartphone.
- Step 8: Read the dialogue box note, enter the code in the input box, and click Confirm.
- Step 9: Keep your smartphone connected and avoid using it while Dr.Fone is repairing it.
- Step 10: If your device has started properly, click Done to close this app. Otherwise, click Try again.
Conclusion
You can fix the “Can’t take screenshot due to security policy” error on Android in different ways. But it depends on the cause of the error. If an app is causing the error, you can try two things. First, remove the app’s screenshot restriction. Second, download a different screenshot app or a different device to take screenshots.
Although there are ways to bypass the “Can’t take screenshot due to security policy” error message, it’s crucial to know why screenshots are not allowed. Many apps and websites do not permit it to protect sensitive information, prevent piracy, and follow regulations. They also do it to prevent fraud, protect user privacy, and safeguard intellectual property.
If you think the issue is with your Android system, or your device becomes bricked after trying other methods, experiencing app crashes, or otherwise malfunctioning, try using the Dr.Fone System Repair tool. It is worth trying and can fix most Android system issues in a few minutes.
Best Methods for Oppo A78 Won’t Turn On
The Oppo A78 3 boasts numerous impressive features, making it a desirable phone. However, occasional malfunctions can result in the Oppo A78 3 won’t turn on issue. This issue can be incredibly frustrating. Don’t panic if you encounter this issue! There exist solutions to rectify it. This comprehensive guide aims to assist you in diagnosing and resolving the problem.
It will offer both basic steps and advanced techniques. With clear instructions and insightful tips, we’ll help troubleshoot your Oppo A78 3. Should you encounter this setback, follow this guide diligently to revive your Oppo A78 3 and have it up and running again.
Scenario 1. Phone Not Charged
A Oppo A78 4 not turning on might simply be a victim of a drained battery due to lack of charging. Several factors could lead to this, including a damaged charging cable or adapter. Moreover, issues with the power source or a malfunctioning charging port can be the issue.
Reason 1. Damaged Charging Cable or Adapter
Solution: Replace the charging cable or adapter with a known working one. Try using a different USB-C cable and adapter to ensure it’s not a faulty connection.
Reason 2. Faulty Power Source
Solution: Verify the power source by trying different outlets or USB ports. Ensure the power source is functional by testing it with another device.
Reason 3. Charging Port Issues
Solution: Check the charging port thoroughly to identify any dirt, debris, or signs of damage. Gently clean the port using compressed air or a small brush. If there’s visible damage, consider professional repair services.
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Scenario 2. Check for Damages
Sometimes, a Oppo A78 3 might not turn on due to physical damage incurred by the Oppo A78 device. Instances such as accidental drops, exposure to water or moisture, or even hardware malfunctions can be the reason. These can cause visible or invisible damage, leading to Oppo A78 4 won’t turn on.
Reason 1. Physical Impact or Dropping
Solution: If the Oppo A78 3 has experienced a significant impact or drop, inspect the exterior for any visible damage. A cracked screen or internal hardware issue might prevent the Oppo A78 device from turning on. Consider professional repair services if necessary.
Reason 2. Water or Moisture Exposure
Solution: If the Oppo A78 3 has been exposed to water or moisture, immediately turn it off. Moreover, do not attempt to power it on. Place the Oppo A78 device in a bowl of uncooked rice or silica gel packets to help absorb moisture. Alternatively, use a vacuum or hairdryer in a cool setting to draw out moisture. It’s crucial to let the Oppo A78 device dry completely before attempting to power it on.
Reason 3. Hardware Malfunction
Solution: Check for any hardware malfunction symptoms such as overheating , unusual sounds, or a burnt smell. If any such signs are evident, refrain from attempting to turn on the Oppo A78 device. You should seek professional assistance from authorized service centers.
Scenario 3. Buggy Android Smartphone
An Android smartphone, including the Oppo A78 3 XL, can encounter situations where the OS becomes extremely buggy. It leads to various issues, such as the Oppo A78 3 XL won’t turn on or getting stuck in a boot loop . Software glitches, corrupted system files, or incompatible apps can contribute to such problems.
Reason 1. Device Stuck in the Boot Loop
Solution: Try initiating a force restart to help fix this issue. You can do that by pressing and holding the “Power” and “Volume Up” keys at the same time for 10 seconds.
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Reason 2. Software Glitches or System Crash
Solution: If encountering issues with the Oppo A78 device not powering on because of software glitches or a system crash, try initiating Safe Mode by simultaneously pressing and holding the ‘Power’ button along with a Volume key. This action will cause the Power menu to be displayed. Here, tap and hold the “Power off” for a while and tap “OK” once the Safe Mode prompt appears.
Scenario 4. System Glitches? Try Wondershare Dr.Fone as a Prioritized Solution
If you have attempted the solutions mentioned above without success, it is essential to explore a more robust option. This is important if the issue seems to be a major software problem that cannot be resolved using basic troubleshooting methods. In such cases, Wondershare Dr.Fone – System Repair emerges as a viable solution. Besides, It is a perfect fit to address the “Oppo A78 4 Not Turning On“ issue effectively.
Dr.Fone is designed to tackle various repairing problems that occur in Android devices. With its comprehensive setup, it can effectively address errors related to the Oppo A78. These measures are aligned to meet the specific requirements of your device. This is helpful in minimizing the time needed for troubleshooting.
Key Features of Wondershare Dr.Fone
- Fone allows you to repair the Android device with just a few clicks. By following the on-screen instructions, you can complete the whole process conveniently.
- It fixes all Android-related problems, including the Black screen of death , the Play Store not working, and more.
- This tool is compatible with all the mainstream Oppo A78 models, including the latest ones.
Steps Required To Resolve System Glitches via Wondershare Dr.Fone – System Repair
Now, we’ll provide you with a guide to resolve the Not Turning On issue of your Oppo A78. Go through the steps mentioned below to use Dr.Fone for the repair process.
- Step 1: Open Dr.Fone and Access System Repair Tool
Starting with, you will have to activate Dr.Fone on your computer and head to the “Toolbar” panel on the left of the window. From there, navigate to the “System Repair” tool and continue with the “Android” device to proceed with the repair process.
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- Step 2: Start Android System Repair
In the next step, choose the “Start” button that appears, by which your device will be recognized. You have to put in the “Name, Model, Country, and Carrier” details of the Oppo A78 device and hit the “Next” option. Then, you need to put your Oppo A78 on Download Mode following the on-screen instructions.
- Step 3: Utilize the Firmware
Afterward, the firmware will start to download automatically once the Oppo A78 device enters a Download Mode. You need to select the “Fix Now” button and continue typing in a “000000” code. Then, proceed with the “Confirm” option to install the firmware on your device.
- Step 4: End the System Repair of Android
Lastly, the repair process will get started and can be viewed in a progress bar. Once it ends, hit the “Done” button to conclude the activity, and check your device to see if it starts properly.
Scenario 5. Need for a Power Cycle
At times, an Android device, including the Oppo A78 3/4, might benefit from a power cycle procedure. This process involves completely refreshing the Oppo A78 device’s system. It potentially my Oppo A78 3 won’t turn on issues, temporary bugs, or system hang-ups. These issues prevent the Oppo A78 device from turning on or functioning properly.
Reason 1. System Freeze or Unresponsive Device
Solution: If the Oppo A78 3/4 is unresponsive or frozen, perform a forced restart by holding down the “Power” and “Volume Up” for about 10 seconds. This action should force the Oppo A78 device to shut down and reboot, potentially resolving the issue.
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Reason 2. Battery Optimization and Refreshment
Solution: Sometimes, a power cycle helps optimize the Oppo A78 device’s battery performance and refreshes the system. Allow the Oppo A78 3/4 to completely power down, charge it for at least 30 minutes, then attempt to turn it on.
Reason 3. Software Hang-Up or Temporary Glitch
Solution. To shut down your Oppo A78 3/4, press and hold the power button, then choose ‘Power Off’ from the menu that appears. After the Oppo A78 device powers down, wait for about 30 seconds to 1 minute to ensure it has fully shut down before moving forward. Subsequently, press and hold the power button until the Google logo displays to restart your device.
- Title: Authentication Error Occurred on Oppo A78? Here Are 10 Proven Fixes | Dr.fone
- Author: Ariadne
- Created at : 2024-07-30 09:31:36
- Updated at : 2024-07-31 09:31:36
- Link: https://howto.techidaily.com/authentication-error-occurred-on-oppo-a78-here-are-10-proven-fixes-drfone-by-drfone-fix-android-problems-fix-android-problems/
- License: This work is licensed under CC BY-NC-SA 4.0.