Unlock Your Oppo A78 5G Phone with Ease: The 3 Best Lock Screen Removal Tools

Let’s just say that you recently changed your Oppo A78 5G phone’s password, and now you are having trouble remembering it. After a few wrong attempts, you will get an alert message saying that more wrong attempts will block your device. In these situations, you can hard reset your device, but it will delete all your data and settings.

Instead of using other methods, you can use an Oppo A78 5G password unlock tool to unlock your device without a password. You can find many unlock tools but if you want an easy-to-use and efficient Oppo A78 5G unlock tool, try Dr.Fone - Screen Unlock. With Dr.Fone, you can unlock your Oppo A78 5G device within five minutes. You don’t have to worry about harm to your phone’s software. Here, we will discuss the three best Oppo A78 5G unlock tools and a complete guide on how to remove the Oppo A78 5G screen lock with Dr.Fone.

Tool 1: Dr.Fone - Screen Unlock (Android)

For Oppo A78 5G smartphone users who have forgotten their password and are locked out of their device, finding a reliable and efficient password unlock tool is crucial. One such tool that stands out is Dr.Fone - Screen Unlock (Android). Dr.Fone - Screen Unlock (Android) offers a fast and efficient solution to unlock your Oppo A78 5G device. With its advanced algorithms and technology, it can bypass various lock screen types, including PIN, password, pattern, and fingerprint. You can regain access to your device within minutes, saving you from the frustration of being locked out of your phone for an extended period.

Dr.Fone - Screen Unlock is the first choice of many people because of the simple device unlock procedure. When you unlock your device with Dr.Fone, you don’t have to worry about damaging its software. Dr.Fone is the most efficient Oppo A78 5G pattern lock remove tool because it can unlock all old and new Oppo A78 5G devices. In addition to that, Dr.Fone also offers various other features like system repair, WhatsApp transfer, phone transfer, data backup and restore, data eraser, etc. Here is the guide to unlocking the Oppo A78 5G lock screen with Dr.Fone.

With Dr.Fone, you can remove the lock screen of any Oppo A78 5G mobile in four easy steps. Each step is easy to follow.

• Step 1. Download Wondershare Dr.Fone from our official website and install it on your PC.

• Step 2. Launch the Dr.Fone and navigate to the “Toolbox” > “Screen Unlock” > “Android” > “Unlock Android Screen”.

• Step 3. Click the “OPPO” icon and use a USB cable to connect your Oppo A78 5G phone and your PC. Dr.Fone will start to unlock Android screen after getting into the specific mode. There are various phone brands for you to choose, don’t make it wrong, otherwise, all rest processes won’t work well.

• Step 4. Once the unlock progress is over, you can access your Oppo A78 5G phone without any password or pattern.

Tool 2: Oppo A78 5G Password Unlock

Oppo A78 5G unlock tool is free software that enables users to unlock Oppo A78 5G devices without a password. The Oppo A78 5G password unlock tool can bypass screen lock, FRP, Google verification, DIAG, and ADB. It works for all Oppo A78 5G smartphones. It is the best tool for those who forgot their phone’s screen lock password. With Oppo A78 5G unlock tool, you don’t have to complete complex steps, and the method to unlock devices is simple. As an Oppo A78 5G user, you should be aware of the fact that Oppo A78 5G doesn’t allow password changes with a factory reset.

You can only reset your password using the Oppo A78 5G password unlock tool after a factory reset. This tool is compatible with all versions of Windows. It is a one for all solution for many Oppo A78 5G smartphone problems. You can use it to reset the hardware of your Oppo A78 5G phone and delete all data and settings. It features a simple and easy-to-use user interface, and you can get it at no cost. Here are the steps to remove the Oppo A78 5G lock screen with the Oppo A78 5G password unlock the program.

• Step 1. Download and Install the Oppo A78 5G unlock tool. Run the application and power off your smartphone. Select Oppo A78 5G from the brand list and determine the chipset of your device. It can either be MTK or Qualcomm.
• Step 2. For the MTK(MediaTek) chipset, all you need to do is set your MAC address from the network adaptor options and start the unlock process.
• Step 3. For the Qualcomm chipset, select your device model and click on the “Service” tab to enable DIAG mode.
• Step 4. Start the Oppo A78 5G device unlock process. Once the process is complete, your device will automatically boot up and format all data. There will be no screen lock or FRP lock.

Tool 3: iToolab - UnlockGo

If you have the habit of changing your Oppo A78 5G smartphone frequently, then it is easy to forget your password. Changing your phone’s password is not a problem, but once you forget your phone’s password, things can get troublesome. Without your phone’s password, you might be able to call others, but you can’t unlock your device, use social media, or use any apps on your phone. Although it looks like a bug problem, you can easily deal with it using the proper tools. Instead of trying to unlock your locked Oppo A78 5G device using various unsafe methods, you can use iToolab - UnlockGo to remove its screen lock.

iToolab - UnlockGo is a simple Oppo A78 5G pattern remove tool that enables users to unlock privacy passwords and screen locks of their Oppo A78 5G smartphones. The only reason not to use this tool for Oppo A78 5G screen unlock is that you can lose all your data. Although lock screen removal without data loss is available in UnlockGo it only works for earlier Samsung devices. For Oppo A78 5G users, forgetting their phone’s password means losing all their data to unlock their device. Here are the steps to unlock Oppo A78 5G phones using iToolab - UnlockGo.

• Step 1. Install and launch iToolab - UnlockGo(Android) on your PC. Click on the “Unlock Screen lock” on the main interface.
• Step 2. Select your device brand from the drop-down list. In your case, select “OPPO” and click on the “Unlock” button.
• Step 3. If your device has a home button, press the home + volume up + power keys at the same time to enter recovery mode. If your device does not have the home button, press the volume down + power keys to enter recovery mode.
• Step 4. Once you enable the recovery mode, iToolab - UnlockGo will start the screen lock removal on your Oppo A78 5G device. You will get a notification once the unlock ends. Reboot your device and enter it without a password.

Bonus Tips: Have you ever found yourself locked out of your Oppo A78 5G phone due to the Google Factory Reset Protection (FRP) feature? If so, don’t worry, as there is a solution that can help you bypass this security measure. Easily bypass Google FRP on Oppo A78 5G Phone with Dr.Fone - Screen Unlock (Android). It effortlessly resolves issues like lost Google accounts, forgotten PIN codes, and unlocking used phones. Supported brands include Samsung , Xiaomi, Redmi , Oppo , Realme , and Vivo .

FAQs: Is Dr.Fone - Screen Unlock Safe for Your Oppo A78 5G Phone?

Dr.Fone - Screen Unlock is the safest and most efficient tool to unlock your Oppo A78 5G device without a password. It only removes the lock screen and doesn’t affect your device’s security. One of the advantages of using Dr.Fone is that it saves your phone’s warranty. When you unlock Oppo A78 5G phones with Dr.Fone, you don’t need your Google password or a factory reset. Dr.Fone also gives you the option to back up your data. You can also use it to repair software problems on your device, like screen stuck, volume problems, or device lag.

Dr.Fone - Screen Unlock (Android)

Unlock Your Oppo A78 5G Phone Hassle-Free

• Remove 4 screen lock types: pattern, PIN, password & fingerprints.
• Bypass Android FRP lock without a PIN or Google account.
• Work for Samsung, Xiaomi, Realme, OPPO, etc.
• No tech knowledge required, Simple, click-through, process.

3,981,454 people have downloaded it

Conclusion

These are the three best tools to unlock your Oppo A78 5G smartphone. Each of these tools can unlock your phone without a password. If we want to pick the best Oppo A78 5G password unlock tool, Dr.Fone - Screen Unlock (Android) is better than the other two for various reasons. With Dr.Fone, you get a simple user interface and an easy-to-follow procedure to unlock your device. The tool guides you to complete every step, and you can unlock your Oppo A78 5G smartphone within five minutes. And you also don’t have to worry about losing your phone’s warranty. Dr.Fone is a one-stop solution for Android problems.

How to Reset a Oppo A78 5G Phone that is Locked?

We all have been there when put a tough to crack the lock on the smartphone and forget the password all along. Such circumstances can be tedious at times, but there is a way around it. If you have spent countless hours on how to reset a Oppo A78 5G phone that is locked, or how to get into a locked Oppo A78 5G phone quickly with or without Factory Reset. This is the right article for you. Here we will describe all the different ways in which you can reset your phone with the convenience of software to even reset it manually. So, without making further due, let’s jump right into it.

Part 1: What should I be aware of before resetting a Oppo A78 5G Phone that is locked?

Before you go to reset your locked Oppo A78 5G phone, it’s crucial to learn about a few key factors. These factors will enable you to make a well-informed choice and help avoid potential complications during the factory reset process.

1. Data Loss

Resetting your locked Oppo A78 5G phone typically involves performing a factory reset. The process erases all data and settings on the Oppo A78 5G device. This includes your files, apps, contacts, and other information stored on the phone. You can easily restore these data if you have backed up data before. It’s crucial to back up essential data regularly to avoid data loss.

2. Factory Reset Protection (FRP)

Oppo A78 5G , like many other Android manufacturers, implements Factory Reset Protection. It acts as a preemptive safeguard against unauthorized access to a device after a reset. If your phone is linked to a Google account, you will need to input the accurate login credentials after a reset.

Failing to do so may lead to your device being locked. Understanding how to bypass or recover from FRP lock is essential if you find yourself in this situation.

Part 2: How to Reset a Oppo A78 5G Phone That is Locked With Google Find My Device?

Resetting a locked Oppo A78 5G phone through Google Find My Device presents a convenient solution. It, however, needs you to have activated this functionality on your device. To initiate the reset, please adhere to the following steps:

Step 1: Open a web browser on any computer or alternative device and navigate to the Google Find My Device website. Sign in with the same Google account associated with your locked Oppo A78 5G phone.

Step 2: Upon successful login, a list of devices linked to your Google account will be displayed. Locate your locked Oppo A78 5G phone from the list and select it. Select the “Erase Device” option from the left-hand panel, and it will trigger a remote factory reset for your locked phone.

Step 3: A confirmation dialog will appear, prompting you to input your Google account password. Finally, click the “Erase” button to initiate the factory reset process.

Part 3: How to reset a Oppo A78 5G phone that is locked without a password?

In order to reset your Oppo A78 5G phone without a password, you need to have a single software known as Dr.Fone - Screen Unlock (Android) . It’s a powerful and versatile software tool designed to help you unlock your devices under various circumstances. Whether you’ve forgotten your device’s password, PIN, pattern, or fingerprint, or you’re dealing with a locked device due to a broken screen, Dr.Fone - Screen Unlock (Android) can assist you. In order to reset phone correctly, go through the steps given below:

Before resetting your Oppo A78 5G phone that is locked, you can install the Dr.Fone application on your Windows PC or Mac first.

Dr.Fone - Screen Unlock (Android)

The Best Unlock Tool to Reset a Oppo A78 5G Phone That Is Locked Without a Password!

• Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
• Work for forgotten passwords, second-hand Oppo A78 5G devices, etc.
• Everyone can handle the lock screen without any tech knowledge.
• Provide specific removal solutions to promise good success rate.

4,008,671 people have downloaded it

Step 1: Launch the Program

First of all, launch the Dr.Fone Screen Unlock on your computer, and you will be greeted with a welcome screen like this. Now, head over to the “Screen Unlock” section.

Step 2: Connect Device

Now, you need to connect your Oppo A78 5G phone to the computer via a USB cable and select “Android” > “Unlock Android Screen.” This particular step is an application for all the Android phones out there.

Step 3: Choose Device Model

Here you need to select the exact brand of your phone. In your case, you can just tap “Oppo A78 5G .” The program then will start the process for the lock screen removal.

Step 4: Unlock Screen

Go along with the instructions on the screen and remove all the settings of the Oppo A78 5G device. Within a short while, the screen will be unlocked.

After the entire process is completed, you can easily access your Oppo A78 5G Phone without the need to enter your password. All the restrictions that were set properly to unlock will be removed so that you can use your phone as intended.

Part 4: How to reset a Oppo A78 5G phone that is locked with a hard reset

Disclaimer: Only perform this step if you are well accustomed to the Android recovery system or at least know your way around your Oppo A78 5G phone.

That being said, you should only resort to using a hard reset if you don’t have any important data on your phone. Further including, resetting your phone with the hard reset option will wipe out any data that’s been stored in it. Now, proceed forward will all the steps are given below:

Step 1: Charge Device

Charge your Oppo A78 5G Phone so that it has a batter of at least 30% or higher. Then turn off the phone.

Step 2: Press keys

Now, you need to press the Volume Down + Power button simultaneously until the Oppo A78 5G device logo shows up on the screen.

Step 3: Enter Recovery Mode

Now, press the Volume Down button to navigate to the Recovery Mode.

Step 4: Factory Reset

Use the buttons to navigate to the “Wipe data/factory reset” option and select it by pressing the Power button. Now, choose the option ”Factory data Reset” and wait for a few seconds till it is completed.

Step 5: Reboot Now

Again use the Volume buttons and select the “Reboot system now.”

After you have successfully reset your Oppo A78 5G phone, it would take a few minutes to boot up. Once that is done, you are left with a clean slate, just like a completely new smartphone.

Part 5: Unlock locked Oppo A78 5G phone with Gmail ID and password

It is imperative to understand that unlocking your Oppo A78 5G Phone using a Gmail ID and password should be your last resort and especially if you are using an older version of Android. Among all the tricks of how to reset a Oppo A78 5G phone that is locked, it only works if you are running around version 4.4 KitKat or older than that. Neither less to say, in order for the step to work properly, you need your Gmail account to be properly configured with the Oppo A78 5G device.

Step 1: Attempt Passwords

At first, you need to make five attempts to unlock your device. Whether you have used a PIN or Pattern lock, Android will always give you five attempts to get the password right. Once you get that, it will trigger the “Forget Password/Pattern” option on Your Oppo A78 5G. This way, you can sneak back into the system once again.

Step 2: Enter Credentials

Once you hit the option, you will be redirected to another page, where you need to enter your Gmail id and password. Make sure that you get the information right, and select “Sign in.”

Once you get everything right, this will bypass any password or pattern you once had put on your Phone. Just remember, you need to have a stable internet connection in order for the step to work seamlessly.

Bonus Tip: Are There Preventive Measures To Avoid Future Lockouts?

Want to prevent future lockouts and ensure a smoother smartphone experience? Consider implementing the following preventive measures:

1. Setting Up Alternative Lock Methods

One way to avoid getting locked out of your Oppo A78 5G phone is to set up alternative lock methods. In addition to PINs, passwords, and patterns, you can use biometric methods. These include fingerprint recognition or facial recognition if your device supports them. Such options provide convenient and secure ways to unlock your phone.

2. Regularly Backing Up Your Data

Regular data backups are crucial to safeguarding your essential files and information. Utilize cloud backup services or local backup solutions to routinely save your data. In case of a lockout or a factory reset, you can quickly restore your data without loss.

3. Using Secure and Memorable Passwords

When setting up lock methods, opt for strong, unique, and memorable passwords. Avoid using easily guessable information like birthdays or simple patterns. Strong passwords can enhance security while minimizing the chances of forgetting your credentials.

Conclusion

There is no point in arguing that looking through how to reset a Oppo A78 5G phone that is locked after you have forgotten the password is indeed a hectic process. But, there is a way around it too. By going through all the steps mentioned above, you can always get an unlocked phone with ease.

To our recommendation, we would suggest going through Dr.Fone - Screen Unlock (Android) so that you can make the entire process as seamless as possible. It is by far the easiest and most convenient process to work around. Neither less to say, there are a ton of video tutorials that can assist you in case you get stuck in the middle of the process.

Top 12 Prominent Oppo A78 5G Fingerprint Not Working Solutions

Part 1. Optimal Solution: Unlock With Wondershare Dr.Fone Directly

Facing a malfunctioning fingerprint on your Oppo A78 5G can be frustrating. In this scenario, the most effective resolution is the removal of the registered fingerprint. Yet, traditional methods of removing the fingerprint can be difficult and pose security risks. In this case, going for tools like Wondershare Dr.Fone is the best choice. This tool ensures your Pixel device is at no risk.

Dr.Fone offers a swift solution to remove the Android lock screen in five minutes. It effectively removes 4 types of screen locks. These include patterns, PINs, passwords, and fingerprints. Dr.Fone can bypass the Android FRP lock without needing a PIN or Google account. It ensures accessibility to the Android device without such credentials.

Dr.Fone - Screen Unlock (Android)

The Best UnlockJunky Alternative to Bypass FRP and Solve Your Screen Locks

• Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
• Bypass the FRP lock of Samsung without a PIN or Google account.
• Everyone can handle the lock screen without any tech knowledge.
• Provide specific removal solutions to promise good success rate.

4,008,672 people have downloaded it

Prominent Features of Wondershare Dr.Fone

1. FRP bypass is enabled for brands like Samsung, Xiaomi, Redmi, Oppo, Realme , and Vivo.
2. With Dr.Fone, bypassing screen locks can be achieved without data loss.
3. Fone supports 2000+ Android phones and tablets from over 18 brands for screen unlocking.

Step-by-Step Guide To Remove Fingerprint Type Lock on Google Pixel Using Dr.Fone

With Dr.Fone, you can resolve the Oppo A78 5G fingerprint sensor not working issue within minutes. Below is a detailed walkthrough for removing a fingerprint lock on a Google Pixel:

• Step 1: Connecting and Accessing Screen Unlock Feature on Dr.Fone

Open Wondershare Dr.Fone and connect your Android device via a USB cable. Once the connection is established, navigate to the “Toolbox” tab and choose “Screen Unlock.” Upon reaching the new screen, choose the “Android” option. Then, select “Unlock Android Screen” from the options on the following screen.

• Step 2: Selecting Google As the Oppo A78 5G device Brand and Activating Recovery Mode

Afterward, you’ll be guided to a subsequent screen prompting you to choose the Oppo A78 5G device brand, Google. Once you select the brand, you’ll be directed to enter a specific mode corresponding to it. For Google Pixel Devices, the specific mode to enter is Recovery Mode. Simply follow the on-screen instructions to activate Recovery Mode on your device.

• Step 3: Initiate the Fingerprint Removal Process

After entering Recovery Mode, the screen unlocking procedure will initiate automatically. Please wait for the fingerprint removal process to finish. In case of failure, select “Try Again” to attempt unlocking again. Upon successfully unlocking your Android device’s screen, tap “Done.”

Part 2. 11 Conventional Solutions To Resolve Pixel Fingerprint Not Working

The solution above using Wondershare Dr.Fone is an effective and comprehensive method. It can tackle fingerprint recognition issues, but sometimes, users may look for simpler alternatives. We will explore conventional solutions that can address Pixel fingerprint problems. Each solution will also explain the underlying reasons for the Pixel 6 fingerprint sensor issue.

1. Fingerprint Sensor Not Touched Firmly

Problem

If the fingerprint sensor fails to recognize your fingerprint, it might be due to inadequate pressure. This could also be due to improper finger placement on the sensor.

Solution: Firm Placement

Ensure you firmly place your finger on the sensor, covering it entirely. Avoid too much pressure, but make sure the sensor fully contacts your fingerprint.

2. Device Showing Glitches

Problem

Glitches or software bugs in your Pixel device may cause disruptions. This can include issues with the fingerprint sensor’s functionality. These problems can range from minor issues to severe software glitches.

Solution: Restart Your Pixel Device

One of the easiest and simplest solutions is to restart your Pixel phone. You can do that by pressing the “Power” and the “Volume Up” keys. It will lead to a pop-up power menu where you must choose “Restart” to reboot your device.

3. Outdated Firmware

Problem

An outdated operating system or firmware can lead to compatibility issues. This can lead to malfunctioning features like the Pixel 6A fingerprint sensor not working.

Solution: Check for Updates

The best way to resolve this issue is to update your Pixel device. Having an outdated version of Android OS can lead to an accumulation of bugs and glitches. Moreover, it can seriously affect the Oppo A78 5G device’s performance, causing many issues. Here is how to check and update your Pixel phone:

Instructions. On your Pixel device, access the “Settings” app. Within Settings, scroll down to tap the “System” option. On the following screen, hit the “System update” option to check if any latest update is available. Here, if you see any updates, download and install them promptly. Before initiating the update, ensure your device is connected to a stable Wi-Fi network with sufficient battery charge.

4. Dirty Phone or Sensor

Problem

Accumulated dirt, dust, or residue on the phone or fingerprint sensor can cause obstruction. This can lead to the failure to properly recognize your fingerprint.

Solution

1. Cleaning the Phone

Employ a gentle, dry microfiber cloth for wiping down the complete surface of your Pixel device. Take particular care to thoroughly clean the region surrounding the fingerprint sensor. Refrain from utilizing rough substances or strong chemicals as they could potentially cause harm to the Oppo A78 5G device.

2. Fingerprint Sensor Cleaning

Gently wipe the fingerprint sensor area using a clean, dry cloth to ensure thorough cleaning. For better results, consider using a dampened cotton swab with water or isopropyl alcohol. Before using it again, ensure the sensor is entirely dry.

3. Compressed Air or Soft Brush

Use compressed air or a soft brush if there’s visible debris or particles around the sensor. Be cautious not to apply excessive pressure that might damage the sensor.

5. Screen Protector: Dirty or Damaged

Problem

A smudged or impaired screen protector might disrupt the working of the fingerprint sensor. This can potentially cause it to fail to recognize your fingerprint.

Solution

1. Clean the Screen Protector

Start by effectively cleaning the screen protector on your Pixel device. For a thorough cleaning, consider utilizing a screen cleaning solution. Ensure that the screen protector is free from any dirt or debris.

2. Replace Damaged Protectors

Is the screen protector visibly damaged, scratched, or peeling off? If yes, consider replacing it with a new one. Damaged protectors can hinder fingerprint recognition and compromise device protection.

3. Check Compatibility

Ensure the screen protector is designed to be compatible with fingerprint sensors. Some protectors may obstruct or interfere with the sensor’s functionality.

4. Remove Air Bubbles

There can be air bubbles trapped under the screen protector. If there are, gently press them out towards the edges using a card designed for this purpose.

6. Clean Your Finger

Problem

The problem may lie with your fingers rather than the Oppo A78 5G device. Unclean or moist fingers can hinder accurate fingerprint recognition on the sensor, causing the Oppo A78 5G fingerprint sensor to not work.

Solution

1. Cleanse and Dry Your Hands

Remove any dirt, oil, or moisture that might cause issues with the fingerprint sensor. It’s crucial to wash and thoroughly dry your hands. Additionally, verify that your fingers are entirely dry before engaging the sensor. The reason is any moisture or dampness may cause inaccuracies in fingerprint identification.

2. Avoid Oily or Greasy Substances

Refrain from touching oily or greasy surfaces before using the fingerprint sensor. These substances can transfer onto your fingers, affecting sensor accuracy. If your fingers are dirty or damp, pause to clean them using a dry, clean cloth.

7. Covering Screen if Fingerprint on Screen

Problem

Fingerprint marks or smudges on the screen might disrupt sensor functionality. This leads to inaccurate recognition when you try to unlock your device.

Solution

1. Avoid Covering the Sensor Area

Be cautious while cleaning the screen to avoid covering or smudging the area around the fingerprint sensor. Precise cleaning around this area prevents interference with sensor functionality.

2. Use Proper Holding Technique

While holding the Oppo A78 5G device, avoid placing your fingers or palms over the fingerprint sensor. Opt for holding the Oppo A78 5G device to minimize accidental contact with the sensor area.

8. Fingerprint Sensor Not Visible

Problem

Misconfigured settings on your Pixel device can lead to situations where the fingerprint sensor is not visible. It can lead to scenarios where the Oppo A78 5G device fails to recognize your screen unlocking attempt.

Solution: Adjust the Setting To Consistently Display the Sensor

You must adjust the display settings to ensure the fingerprint sensor is always visible. To do that, you can begin by opening the Settings app. Navigate to the “Display” tab and select “Lock Screen.” On the following window, toggle on “Always show time and info.”

9. Low Touch Sensitivity

Problem

The fingerprint sensor may have low touch sensitivity . It can lead to difficulties in accurately recognizing fingerprints, leading to Oppo A78 5G fingerprint not working.

Solution

1. Adjust Sensitivity Settings

Accessories like a screen protector might impact the performance of your Pixel device’s touch sensitivity. When using a screen protector, your Pixel enhances touch sensitivity. To do that, navigate to the Settings app and open it. Move to the “Display” window and scroll down to the last option. Toggle on the “Screen protector mode” to increase the screen sensitivity.

2. Finger Re-Enrollment

Delete existing fingerprints and re-register them. This re-enrollment can sometimes improve sensitivity and help remove the issues. Here is how you can delete and re-enroll your fingerprint:

• Step 1. In the Settings app of your Pixel, tap “Security & Privacy.” Then, press “Device Unlock” and choose “Fingerprint Unlock.” The device will now ask you to provide your device PIN or password.

• Step 2. Tap “Fingerprint Unlock” on the following screen and delete the previously enrolled fingerprints. Then, press “Add fingerprint” and follow the on-screen prompts to complete the process.

10. Other Hardware Issues

Problem

Persistent fingerprint sensor problems might indicate underlying hardware issues . This could go beyond common troubleshooting and might require professional help.

Solution

1. Inspect for Physical Damage

Thoroughly examine your Pixel device for any physical damage. These include cracks, dents, or scratches around the fingerprint sensor area. Physical damage could affect the sensor’s functionality.

2. Safe Mode Check

Boot the Oppo A78 5G device in safe mode to determine if third-party apps are causing conflicts. To do that, press the “Power” key with any volume key to access the power menu. Afterward, long-press the “Power Off” option until the “Reboot to Safe Mode” option appears on your device’s screen. Press “OK” to reboot into Safe Mode and test the fingerprint sensor’s functionality.

3. Professional Assessment

If you suspect hardware issues, seek professional help from authorized service centers. A clear sign of hardware issues can be visible damage or the sensor failing to function even in safe mode.

11. Factory Reset as Last Resort

Problem

Did all other troubleshooting methods fail to resolve persistent fingerprint sensor issues? Then, a factory reset might be required to revert the Oppo A78 5G device to its original settings.

Solution

1. Backup Data

Before initiating a factory reset, ensure that all crucial data is safeguarded. This encompasses contacts, photos, documents, and any other significant files. Use Google’s backup services or third-party apps to securely back up your data .

2. Initiating Factory Reset

Proceed with the following steps to execute a factory reset on your Pixel device:

• Step 1. On your Pixel smartphone, navigate to Settings and access the “System” tab. Here, scroll down to the bottom and tap “Reset Options.”

• Step 2. In “Reset Options,” choose “Erase All Data (Factory Reset)” to continue. Afterward, select “Erase All Data” on the next screen and follow the instructions to complete the process.

In summary, this article detailed various methods to fix the Oppo A78 5G fingerprint not working. Diverse approaches were explored, from simple steps like sensor cleaning to advanced solutions like factory resets. However, Dr.Fone stands out among these solutions as a top-tier option. It offers a secure and efficient resolution to the persistent problem of fingerprint failure on the Oppo A78 5G .

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