How to Flash Dead Oppo Reno 11F 5G Safely

• Fix malfunctioning Android to normal in one click.
• Highest success rate to fix all Android issues.
• Step-by-step guidance through the fixing process.
• No skills required to operate this program.

A phone is considered to be dead when it becomes completely unresponsive and refuses to switch on. Similarly, an Android phone is said to be dead when it does not boot up. You may try to switch it on several times by pressing the power button but in vain. You will see no sign of the phone’s logo or anything like a welcome screen. The Android phone’s screen remains black and does not illuminate when you try to turn it on. Interestingly, even when you charge this dead device, it does not show that it is getting charged.

Many people regard this as a battery issue, and many think of it as a temporary software crash. Some users also seem to believe that this is because of a virus attack. However, if you are looking for ways that tell how to fix a dead Android phone, you must understand that a dead phone or device can be cured by flashing custom firmware safely. If you are keen to know how to flash a dead Android phone or how to flash dead Android phones using PC, here are ways to help you.

Given below are eight techniques to flash your Oppo Reno 11F 5G safely, depending upon which phone you are using. It may seem time-consuming and tedious, but we can assure you that it works. So, move ahead and read on to learn about flashing new firmware, your Oppo Reno 11F 5G, MTK Android, and Oppo Reno 11F 5G safely.

safe & secure

Part 1: Can a Dead Phone Be Flashed?

Flashing a dead Android phone might be skeptical for many users who have been in such a situation. Although it is possible to flash a dead Android phone, it is essential to be aware of the reasons that lead you into such a situation. Before a remedy, diagnosing the problem is a necessity for retaining the Oppo Reno 11F 5G device.

From battery issues to physical damage to the Oppo Reno 11F 5G device, there can be many reasons your Oppo Reno 11F 5G died. The reasons for a dead Android phone are not restricted to these points. There can be software-related issues or firmware issues that might cause such havoc on your Android.

Part 2: How to flash Oppo Reno 11F 5G in one click

While you are worried about how to flash Oppo Reno 11F 5G instantly with a single click, Dr.Fone - System Repair (Android) swiftly makes its way with a galore of options for you. This amazing tool from Wondershare can fix a plethora of Android system issues such as crashing of apps, black screen of death, failed system update, etc. Moreover, it can also get your device out of boot loop, unresponsive bricked Android mobiles as well as stuck at the Oppo Reno 11F 5G logo.

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One-click solution to flash Oppo Reno 11F 5G

• The high success rate in fixing Oppo Reno 11F 5G Android devices.
• All the latest Oppo Reno 11F 5G devices are supported by this software.
• One-click operation of this tool helps you how to flash Oppo Reno 11F 5G easily.
• Being very intuitive, it doesn’t need you to be tech-savvy to use this software.
• It is one of its kind and the first one-click Android repair software on the market.

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Step-by-step Tutorial

We are going to explain how to flash a dead Android phone using a PC using Dr.Fone - System Repair (Android)

Note: Before you understand how to flash Dead Android phone, take a backup of your data and then proceed to avoid any data loss.

Phase 1: Prepare your Oppo Reno 11F 5G

Step 1: Once you have downloaded and installed Dr.Fone, launch it. From the main menu, tap on ‘System Repair’ and get your Oppo Reno 11F 5G connected to it.

Step 2: Click ‘Android Repair’ from the available options, and then press the ‘Start’ button to fix the Dead Android phone by flashing it.

Step 3: On the Oppo Reno 11F 5G device information screen, pick the appropriate device brand, name, model, and other details followed by tapping the ‘Next’ button.

Phase 2: Put the Android device in Download mode to start repair.

Step 1: It is essential to boot your Oppo Reno 11F 5G in Download mode before repairing.

• If the Oppo Reno 11F 5G device has a ‘Home’ button: Turn it off and then hold down the ‘Volume Down’, ‘Home’, and ‘Power’ buttons altogether for 5-10 seconds. Un-hold all of them and hit the ‘Volume Up’ button for entering ‘Download’ mode.

• In the absence of a ‘Home’ button: Switch off the Android device and hold the ‘Volume Down’, ‘Bixby’, and ‘Power’ buttons for 5 to 10 seconds, then release them. Hit the ‘Volume Up’ button for entering the ‘Download’ mode.

Step 2: Press the ‘Next’ button for initiating firmware download.

Step 3: Once the firmware gets downloaded and verified Dr.Fone - System Repair (Android) starts to flash your Dead Android phone. All the Android system issues will be fixed soon after.

safe & secure

Part 3: How to flash Oppo Reno 11F 5G dead phone with Odin?

In this segment, we will learn how to fix the dead Android phone, i.e., Oppo Reno 11F 5G phones using Odin software. Odin is software used internally by Oppo Reno 11F 5G to generally unblock devices and perform a more utility-based job, namely, flashing new firmware in place of the old one. There are different variants available, so choose the one which is supported by your Galaxy phone. Here is a step-by-step explanation of how to flash dead Android phone (Oppo Reno 11F 5G) using Odin software.

Step 1: Install the driver software on the computer. You can find the best driver software for your device and PC on the official Oppo Reno 11F 5G website. You may also download Oppo Reno 11F 5G Kies on your PC. Once you have downloaded and installed the driver software, restart the PC.

Step 2: Now download suitable firmware for your device in the form of a zip folder that you can open and store on your desktop.

Make sure the file is .bin, .tar, or .tar.md5 only as these are the only file types recognized by Odin.

Step 3: In this step, download the latest version of Odin on your PC and move it to the desktop, and then right-click on the downloaded Odin file to select “Run as Administrator”.

Step 4: Now, boot your dead device to Download Mode by pressing the power, volume down, and home button together. When the phone vibrates, release the power button only.

Step 5: Gently press the volume up button, and you will see the Download Mode Screen.

Step 6: Now, you may use a USB to connect your Oppo Reno 11F 5G to the PC. Odin will recognize your device, and in the Odin window, you will see a message saying “Added”.

Step 7: In this step, find the tar.md5 file you downloaded by clicking on “PDA” or “AP” on the Odin window and then click “Start”.

Finally, once the flashing process is complete, your Oppo Reno 11F 5G phone will reboot and start normally, and you may see a “Pass” or “Reset” message on the Odin window on the PC.

Part 4: How to flash MTK Android dead phone with SP Flash tool?

SP Flash tool, also known as SmartPhone Flash tool is a popular freeware tool used to flash custom ROM or firmware in MTK Android phones. It is a very successful tool and is extremely easy to use.

Let us look at the steps given below to learn how to flash dead Android phones using PC with the help of the SP Flash tool.

Step 1: To start with, download and install the MTK driver on your PC and then download the ROM/firmware you wish to use for flashing purposes.

Step 2: Once done, you should download the SP Flash tool and extract it on your PC and move on to launch the Flash_tool.exe file to open the SP Flash tool window.

Step 3: Now, on the SP Flash tool window, click on “Download” and select “Scatter-loading”.

Step 4: The last step would be to locate the file downloaded by you and click “Open” and then finally, select “Download” on the SP Flash tool window.

After completing the above steps, connect your dead device to the PC with a USB cable and wait for it to get recognized. The flashing process will take a few minutes to finish and then you will see a green circle indicating “OK Download”.

That’s it! Now simply disconnect your phone and wait for it to reboot.

Part 5: How to flash Oppo Reno 11F 5G dead phone with the Phoenix tool?

Phoenix tool, better known as PhoenixSuit, is a tool similar to the SP False tool and Odin. It works very well with Oppo Reno 11F 5G and is the best answer to “How to fix dead Android phone?”, “How to flash dead Android phone using PC?”, etc.

Let’s look at the steps of flashing the Oppo Reno 11F 5G dead phone with the Phoenix tool.

First, download and install the Oppo Reno 11F 5G PC Suite driver on your PC. Then you will need to download the PhoenixSuit tool and then launch it.

Now, on the toolbar, click “Tools” and select “Data Package Download” from the drop-down list.

Then move to download the firmware for your dead Oppo Reno 11F 5G and save it in a new Folder. Once done, go back to the Phoenix tool window and click on “File” and select “Open Product”.

Simply, feed in the details and then click “OK”.

After this, click on “Flashing” and select “Firmware update” and then browse to select the appropriate product code and then click “OK” again.

Then move on to select “Dead Phone USB Flashing” from the Firmware Update Box.

Lastly, just click on “Refurbish” and connect your phone to the PC using a USB cable.

That was it, the flashing process may take up to a few minutes after which your dead Oppo Reno 11F 5G will restart automatically.

Part 6: How to flash a dead phone that won’t turn on via factory reset?

Using tools for flashing Android devices can be a solution; however, it is heavily restricted to the Oppo Reno 11F 5G device models. For a generalized solution, there can be other options that you can go with. Factory resetting an Android device by putting it in Recovery Mode is one way. To know how to flash a dead Android phone using factory reset, go through the steps featured below:

Step 1: To initiate the process, you will have to put your Oppo Reno 11F 5G in Recovery Mode. Generally, Android phones are put in Recovery Mode by holding the “Power” and “Volume Up” keys for a few seconds after turning them off. The key combinations can vary according to your Oppo Reno 11F 5G.

Step 2: As the Android boot menu opens on your screen, use the “Volume Down” and “Volume Up” keys to scroll up and down the menu. On accessing the “Wipe Data/Factory Reset” option, use the “Power” key to select the particular option.

Step 3: Continue to select the “Yes” option for confirming the factory reset of the Android device. The phone will automatically reboot after successfully factory resetting.

Part 7: How to flash a dead Android phone by checking screen faulty

The screen of your Oppo Reno 11F 5G may be faulty, due to which it is not launching. While seeking the right way of how to fix a dead Android phone, you can force restart your phone using the Volume buttons according to your device model.

If the Android vibrates on restarting and the screen does not lighten up, the problem can be directed to a hardware fault. The screen is broken and needs physical assistance to resolve the issue.

Part 8: How to fix a dead Android phone by changing the battery

Another solution that can help you fix the dead Android phone is changing its battery. The battery of an Android device can last up to 3 years. When its capacity drops to a bare minimum, it is best to change the battery of your Android. Upon trying to restart your Oppo Reno 11F 5G, if it does not, you might need to replace your battery. All Android phone batteries are removable, which should be regulated with proper supervision.

Part 9: How to repair dead Android phone by contacting official support

If you are unable to discover any proper solution for how to flash dead Android phones, you might have to consult the respective customer support of the Android phone manufacturers. Consult customer support to discover why the phone is dead and how it can be flashed. The respective personnel will assist you in resolving the issue, which might require monetary input from your side.

Conclusion

A dead Android phone might be the cause of worry, but the techniques given above to flash your dead Android device safely are very helpful. These methods have been tried and tested by users all over the world and thus, we recommend them to you. If your phone is dead or has become unresponsive, do not panic. Depending on your phone’s brand, here are ways to guide you on how to fix the dead Android phone and how to flash dead Android phone using PC.

It has been observed that Wondershare Dr.Fone – System Repair (Android) assists in the best way. Resolve all your concerns involving your dead Android phone and flash it to make it operable again.

Carefully follow the instructions given, and you will be able to reboot your dead Android phone successfully.

Android Safe Mode - How to Turn off Safe Mode on Oppo Reno 11F 5G?

Safe mode on Android is very useful to get rid of dangerous apps and malware. This allows the user to perform a uninstall of the crashed or malicious apps by putting safe mode on Android. Now the question is how to remove safe mode? In this article, we have discussed in detail how to get out of safe mode and also discussed some frequently asked questions. Keep reading this article.

Part 1: How to turn off safe mode on Android?

This is very important to turn off the safe mode after you put the safe mode on Android. Your mobile performance is limited in this mode. So you have to turn off safe mode. For doing this, there are some methods. Try to apply them one by one. If you succeed, stop there. Else go to the next method.

Method 1: Restarting the Oppo Reno 11F 5G device

This is the easiest method to turn off the safe mode in Android. To use this method, follow the steps below.

Step 1 – Tap and hold the power button of your Oppo Reno 11F 5G.

Step 2 – You could find the option “Restart”. Tap on it. (If you have only one option, move to the step no 2)

Step 3 – Now, your phone will boot up in some time and you can see the Oppo Reno 11F 5G device is no more on safe mode.

This method, if goes well, will turn off safe mode in Android from your device. IF not, move to the next method instead.

Method 2: Do a soft reset:

The soft reset is very easy to perform. It won’t delete any of your personal files etc. Besides, it clears all the temp files and unnecessary data and recent apps so that you get a healthy device. This method is very good for turning off Safe mode on Android.

Step 1 – Tap and hold the power button.

Step 2 – Now, select “Power off” from the given option. This will make your device off.

Step 3 – Wait a few seconds and then turn it on again.

This time you can see your phone is no more in safe mode. Also, your junk files have been also removed. If you still find the Oppo Reno 11F 5G device is the safe mode, follow the next method.

Method 3: Break all power

This method is sometimes very helpful to turn off safe mode on android by disconnecting all the power as well as resetting the SIM card.

Step 1 – Take the back cover off from the Oppo Reno 11F 5G device and remove the battery. (Not all devices will give you this facility)

Step 2 – Take out the SIM card.

Step 3 – Reinsert the SIM card and insert the battery again.

Step 4 – Turn the Oppo Reno 11F 5G device on by tapping and holding the power button.

Now, you can see your device is out of safe mode. If you still find your device in Safe mode, see the next method.

Method 4: Wipe the cache of the Oppo Reno 11F 5G device.

The cache of the Oppo Reno 11F 5G device sometimes creates an obstacle in overcoming the safe mode on Android. To solve this issue, follow the steps below.

Step 1 – Turn on your device in safe mode. It can generally be done by tapping the home, power, and volume up button on Android device. If this combination is not working for you, search the internet with your device model number.

Step 2 – Now you can find the recovery mode screen. Navigate to the “Wipe cache” option with the volume up and down button and select the option by tapping the power button.

Step 3 – Now follow on-screen instruction and your device will be rebooted.

After successful completion of this method, your device should no longer be in safe mode. If the problem still persists, the only solution is to do a factory reset. This will erase all the data from your device. So take backup of your internal storage.

Method 5: Factory data reset

To factory data reset, you have to follow the below steps.

Step 1 – Enter in the recovery mode by following the steps mentioned earlier.

Step 2 – Now select “Factory data reset” from the given options.

Step 3 – Now, follow the on-screen instructions and your device will be factory reset.

After this method, you can successfully get rid of the safe mode on Android. Restore your data from the backup you created.

Watch the video below to turn off safe mode on your phone:

Part 2: How to put the phone in safe mode?

If some apps or programs create a problem on your device, the solution is safe mode. Safe mode allows you to uninstall the app or the program out of your device safely. So, safe mode on Android is quite useful sometimes. Let’s have a look at how to turn on safe mode in Android.

Before this, remember to take a backup of your Oppo Reno 11F 5G. We recommend you to use the Dr.Fone - Phone Backup (Android). This tool is the best in its class to provide users with a very easy-to-use user interface yet powerful solution.

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Always remember to use this tool before you enter in the safe mode as you never know what will happen next and you might end up with factory resetting. This, as the result, will erase all your valuable data. So always perform backup data before you proceed.

To enter the safe mode, follow the instructions below.

Step  1 – First of all, long press the power button and let the Power options appear.

Step 2 – Now, long press on the “Power off” option. This will instantly ask you if you want to reboot into safe mode. Select the option and your device will reboot in safe mode.

If you are using Android version 4.2 or earlier, turn off the Oppo Reno 11F 5G device and turn it on the back by tapping the power button. When the logo appears, tap and hold the volume down button. This will allow the Oppo Reno 11F 5G device to boot in safe mode.

Follow these steps carefully and now you can see a “Safe Mode” written at the corner of your device. This will confirm that you have successfully entered in Safe mode on Android.

Part 3: Safe mode on Android FAQs

In this section, we’ll discuss some frequently asked questions about the safe mode. Some users have many questions regarding the safe mode. Here we’ll try to cover some of them.

1. Why is My Oppo Reno 11F 5G on safe mode?

This is a very common question around the world. For many Android device users, it’s quite common to see your phone in safe mode suddenly. Android is a secure platform and if your device sees any threat from your recently installed apps or any programs that want to harm your device; it would go into safe mode automatically. Sometimes, you might accidentally perform the steps discussed in part 2 and boot your device in safe mode.

2. Safe mode won’t turn off on My Oppo Reno 11F 5G

For the solution to remove safe mode from your device you must follow the step-by-step methods as mentioned in part 1. This will surely take your device out of the safe mode.

The safe mode is a very useful program for any Android device. But it limits the programs of Android and you must remove safe mode after uninstalling the harmful app. This article showed you how to turn off safe mode easily.

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Authentication Error Occurred on Oppo Reno 11F 5G? 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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.

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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 Reno 11F 5G 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.

1. After the Dr.Fone tool is downloaded, install, and launch it. You can see the following screen.

1. Connect your Oppo Reno 11F 5G to the computer, and select “Android Repair” in the middle.

1. Select all the details that match your device, and click “Next”.

1. Next up, you should boot your Oppo Reno 11F 5G in download mode by following the on-screen instructions.

1. 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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 Reno 11F 5G 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.