Different Methods for Resetting Oppo A78 5G Phones with Screen Locked and Not

The Oppo A78 5G has made its place in the smartphone industry at a fast pace. Oppo A78 5Gis dealing with a broad spectrum of products from flagship phones to smartwatches and security cameras. No worries if you own a smartphone owned by the label and don’t know how to reset your Oppo A78 5Gphone without a password.

In the following article, you can learn all about factory resetting Oppo A78 5Gphones, including an apt checklist of things to do before wiping all the data from your device. Also, discover multiple easy methods to reset a Oppo A78 5Gphone with or without a password.

Part 1: When Should You Reset Your Oppo A78 5G?

Performing a factory reset on your phone is a significant step as it wipes all existing data on your device and leaves you with a blank slate. Here are some plausible reasons why you might want to reset your Oppo A78 5Gphone:

1. Performing a Full Wipe

Sometimes, erasing all data on your phone is an evident need. If you want to delete all apps on your phone or restore them to factory settings, a direct factory reset provides a simple solution for this.

2. Forgotten Passwords

Forgetting your phone’s password is a catastrophe, and everyone is prone to it. If you end up locking yourself out of your phone after too many attempted tries to unlock it, a hard factory reset is sometimes the only option left. You can learn how to factory reset your Oppo A78 5Gphone when locked and end up with a clean slate without any password.

3. Selling or Replacing Phone

If you choose to sell your Oppo A78 5Gphone and move on to a new one, you will need to wipe all data from your device. Deleting everything from your phone before changing it is essential to protect the integrity and privacy of your data. In such a situation, you can perform a factory reset, and your phone will be good as new.

4. Virus and Malware Attacks

If a virus or malware attacks your device, it can slow down your phone and put your data at risk. To ensure that no trace of malicious software is left on the Oppo A78 5G device, you will need to perform a factory reset on your Oppo A78 5Gphone.

5. Slow Performance

Apps installed from third-party sources can often hog up the storage on your phone and result in slow system performance. If your phone is acting slower than usual, you can factory reset it to resolve the issue.

Part 2: What Should You Do Before Formatting Your Oppo A78 5G?

If any of the above-mentioned reasons check a box and you wish to format your Oppo A78 5Gphone, it can be done in a few instants. However, keeping in mind the severity of the consequences, it is better to keep a few things in mind before proceeding with the process.

Performing a factory reset on your device cleans every last bit of data from it. This means that all the images, documents, contacts, cache files, app data, Google accounts, and other stuff will be permanently removed from your phone. Hence, before formatting your phone, it is advisable to make a complete and up-to-date backup of your data.

The Dr.Fone - Phone Backup tool for Android is a competent software that can help you make a complete backup of your data. With a single click, you can transfer all the data on your phone to your computer. You can also sync your Android data to popular cloud storage services such as Google Drive, Dropbox, etc.

Before formatting your device, you have to keep in consideration Google’s Factory Reset Protection (FRP) feature. This is a security feature in Android phones that prevents unauthorized use of devices. FRP makes sure that only the owner of the Google account signed into the Oppo A78 5G device can perform a factory reset on it. If you have forgotten your Google account password, reset it in advance so you can format your phone. Note that you have to wait for 72 hours after changing your Google account’s password before formatting a linked phone.

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Part 3: How to Factory Reset Oppo A78 5G

If you know the passcode to your device, the procedure to factory reset your device is easy as a breeze. The following methods indicate how to factory reset a Oppo A78 5Gphone when it is not locked.

Method 1: Factory Reset Oppo A78 5G via Android Settings (Factory Reset)

The easiest way to perform a complete wipe on your phone is via your phone’s settings. Here are the steps for that:

Step 1: Go to the settings of your Oppo A78 5Gphone and scroll down to find the “Factory Reset” option. Typically, this option is under the “About Phone” or “Additional Settings” menu.

Step 2: Now click on “Erase all data” at the bottom of your Oppo A78 5Gphone screen.

Step 3: You will be prompted to type your phone’s passcode to proceed. Afterward, you can create a backup of your phone’s data by clicking on the “Back up” option. If not, hit the “Factory Reset” button and click “Next.”

Step 4: Wait for 10 seconds and click “OK” on the screen. Now, wait for the reset process to complete, and you are all done.

Method 2: Permanently Erase Everything with Dr.Fone - Data Eraser (100% Wipe Data)

Although the settings app provides an easy way to wipe your phone’s data, the feature has certain drawbacks. Luckily, Wondershare Dr.Fone - Data Eraser (Android) offers an easy alternative for resetting your phone using its Data Eraser tool.

Dr.Fone can permanently and completely wipe all data, including contacts, messages, images, app data, and more, from your phone in just a single click. The process is quick and easy and provides data security to users. The following steps indicate how to reset Oppo A78 5Gphone using Dr.Fone - Data Eraser (Android) tool:

Step 1: Use Data Eraser Tool

Install and launch Dr.Fone on your computer, and select the “Data Eraser” tool from the program’s main interface.

Step 2: Enable USB Debugging

Now connect your Oppo A78 5Gphone to your computer via a tethering cable and enable USB debugging on your Oppo A78 5Gphone.

Step 3: Start Erasing Oppo A78 5GDevice

After attaching your phone to the computer, click on “Start.” Now, type in the confirmation code present on the screen and tap on the “Erase Now” button to reset your Oppo A78 5Gdevice.

The Difference Between These Two Methods

The conventional method of wiping your phone using the Android settings suffers a significant drawback. Due to the lack of data encryption by Android, data from almost 40% of formatted devices can be quickly recovered using data recovery tools. Even after a full factory reset, deleted files are retrievable to some extent.

The benefit of using Dr.Fone as your data eraser tool is that it can permanently erase everything on your phone. The program overwrites the phone memory with random data, hence securing your privacy. Data formatted via Dr.Fone cannot be recovered in any case, so you have nothing to worry about.

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Part 4: How to Factory Reset Oppo A78 5G When Locked

If you got locked out of your Oppo A78 5Gphone, the process to factory reset your phone can differ slightly. The following methods describe how to factory reset Oppo A78 5Gphone when locked.

Method 1: Via the Recovery Mode

One of the go-to methods for factory resetting a locked Oppo A78 5Gphone is via the recovery mode. You can follow the steps given below to boot your phone in recovery mode and perform a factory reset on your Oppo A78 5Gphone without a password:

Step 1: Long press the Power button on your Oppo A78 5Gphone to turn it off. Now press and hold the Power button and the Volume Up button at the same time.

Step 2: Once the Oppo A78 5Glogo appears on the screen and you feel a vibration, let go of the Power button but keep pressing the Volume Up button. Let go once you see the “Recovery Mode” screen on your phone.

Step 3: Use the volume keys to scroll down the screen and find the “Wipe Data” option, then hit the Power button to select it.

Step 4: Press the Power button again on the “Wipe All Data” option and do the same on the “Confirm” option. After the resetting process is complete, select the “Back to Main Menu” option and reboot your device.

Method 2: Via Find Device

Xiaomi offers a “Find Device” option, using which you can learn to factory reset your Oppo A78 5Gphone without a password using your Oppo A78 5Gaccount. Note that for this process to work, you will require an active internet connection and a signed-in Oppo A78 5Gaccount on your phone. Then, you can perform the following steps to wipe data from your Oppo A78 5Gphone:

Step 1: Launch the official website of Oppo A78 5G and sign in using your Oppo A78 5Gaccount.

Step 2: Click on the “Find Device” option and select your phone from the screen’s upper-right corner. Next, tap on “Erase Data” and confirm the process to erase all data from your device.

Method 3: Using ADB Fastboot Tools

The Xiaomi ADB Fastboot Tools is a helpful app that enables users to perform ADB commands quickly and easily. The app comes with a range of beneficial tools that can help you wipe all data from your phone. Following is a step-by-step guide on how to reset Oppo A78 5Gphone when locked using the ADB Fastboot Tools:

Step 1: Hold down the Power button and the Volume Down button at the same time until you see the Fastboot splash screen.

Step 2: Use a USB cable to attach your Oppo A78 5Gphone to your computer and launch the Xiaomi ADB Fastboot Tools application.

Step 3: The app will automatically detect and display the information regarding your Oppo A78 5Gphone at the top-left corner of the screen.

Step 4: Under the “Wiper” section in the app, click on “Wipe cache and user data” to reset your locked Oppo A78 5Gphone.

Method 4: With Dr.Fone - Screen Unlock (Android)

If you are searching for a reliable way to reset your Oppo A78 5Gphone without a password, Dr.Fone can come in handy. Using the Screen Unlock feature of the tool, you can easily remove the screen lock and then perform a complete wipe on your device. Here is how to factory reset a locked Oppo A78 5Gphone using Dr.Fone - Screen Unlock (Android) :

Step 1: Proceed with Screen Unlock

Launch Dr.Fone’s Repair Toolkit on your computer. From the “Home” tab in the main interface, click on “Screen Unlock.” Now attach your phone to the computer using a USB cable and click on “Unlock Android Screen.”

Step 2: Enable Oppo A78 5GDownload Mode

Dr.Fone will detect and display your device information on the screen. Now boot your phone into Download Mode using the instructions present on the screen and download the recovery package for your device.

Step 3: Remove Oppo A78 5GScreen Completely

Once the download is complete, click “Remove Now” to access your phone without a passcode. Then, you can factory reset your Oppo A78 5Gphone from the settings.

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Part 5: FAQs about Oppo A78 5G

How can I hard reset my Oppo A78 5Gphone without a PC?

A hard reset basically wipes out everything from your device, including media files, contacts, and app data. As the above-mentioned methods indicate, you can easily perform a hard reset (aka factory reset) on your device without a PC.

What is the difference between a hard reset and a soft reset?

A soft reset means rebooting your device to fix minor issues. It is one of the easiest and quickest ways to refresh your device and improve performance speed. The process clears RAM data and can thus clear caches or other background processes interfering with your device’s operations.

A hard reset is a process of restoring a device to its original factory conditions. Executing a hard reset means removing all data from your device, leaving you with a clean slate. A hard reset is useful for fixing serious issues on your device, such as virus attacks.

How can I restore my Redmi in recovery mode?

If your Redmi phone is stuck in recovery mode, you can try the following method to fix the issue:

Use the Volume Up and Down buttons to navigate your way through the recovery mode. Use the Power button to click on the “Reboot” option on the screen. This will make your device exit recovery mode and restart normally.

If this method does not work, you can wait for the battery to drain fully from your phone and reboot it normally.

Conclusion

Oppo A78 5Gis a famous brand that serves a large number of consumers worldwide. If you are also a Oppo A78 5Guser, you now know how to factory reset your Oppo A78 5Gphone without a password owing to the in-depth guide mentioned above. Using these easy methods, such as Dr.Fone for resetting your device, can help save you a great deal of trouble.

How to Reset a Oppo A78 5G Phone That Is Locked

“Looking for the best solutions on how to factory reset Oppo A78 5G phone when locked?”

The need to reset a Oppo A78 5G phone arises in several situations like forgetting the password, PIN, or pattern, purchasing a second-hand device that is locked, accidentally changing the password or setting a wrong one, and others. In all these and other similar situations, you would need to reset your Oppo A78 5G phone and this can be done using different methods and tools.

In this article, we will discuss all these methods that can help you reset your device so that it can be accessed without any hassles.

Part 1: Things You Should Be Aware of Before Resetting Oppo A78 5G Phones

Before you start resetting your Oppo A78 5G device through any of the methods, there are certain important things that should be considered and taken care of. Check them out as below.

First of all, ensure that your Oppo A78 5G phone is charged so that the battery does not go off in between and stop the ongoing process.
Ensure to clear the cache on your Oppo A78 5G phone.
If your Oppo A78 5G phone is not locked, make sure to take the backup of the Oppo A78 5G device to prevent accidental loss of data. If the Oppo A78 5G device is locked, ensure that from next time you keep taking the backup on regular basis.

Part 2: How to Reset Oppo A78 5G Phone When Locked?

Once you have fulfilled the above mention pre-requisites, next comes the process of device resetting. If your Oppo A78 5G phone is locked, there are different methods that can help you reset your device and the popular ones can be checked as below.

Method 1: Reset Oppo A78 5G using Google’s Android Device Manager

The Android Device Manager which is also known as Find My Phone is an excellent feature that is majorly used for locating the lost or the stolen phone. This feature also allows the users to unlock and reset their devices. The Android Device Manager can only function if you know the Google ID and password that was used for device initialization. The feature can be used to erase the Oppo A78 5G device data and reset it.

Steps to reset Oppo A78 5G phone using Google Android Device Manager

Step 1. On your PC browser, using your Google account, sign in to the Google Find My Device.
Step 2. The list of devices will appear on the screen, from which you need to choose the Oppo A78 5G phone that you want to unlock and reset.
Step 3. Now, from the available options, click on ERASE DEVICE.
Step 4. Again, tap on ERASE DEVICE, and to continue you need to log in to your Google account.

With the completion of the above steps, your Oppo A78 5G phone will reset.

Method 2: Perform a Hard Reset on Oppo A78 5G with Hardware Keys

Hard reset which is also termed factory reset is a feature that will reset all the Oppo A78 5G device settings and bring them to the factory setting status. While you perform the hard reset, all the data of your phone as well as the installed apps will also be deleted.

Steps to hard reset Oppo A78 5G Phone

Step 1. Using the Power button, turn off your Oppo A78 5G phone.
Step 2. Press and hold the Volume Up and Power button together for a few seconds.
Step 3. In some time, the Recovery mode will load on the screen. From the menu, choose to Wipe data/factory reset using the Volume Up/Down buttons and the selected option can be confirmed using the Power button.
Step 4. At the space provided, enter the word Yes and then click on the Wipe data/factory reset button.
Step 5. Again, to confirm the hard reset, click on the Wipe data/factory reset button.
Step 6. The process of hard resetting will start and when completed, click on Reboot system now for restarting the unlocked phone.

Note: After the hard reset, Google Account Verification, FRP screen will appear where you need to enter the correct Google account or PIN that was previously synced with the Oppo A78 5G device. If you know the Google credentials, it’s great, but in case you have forgotten then no need to worry as there are Oppo A78 5G FRP bypass tools available as well as Oppo A78 5G codes that can be used to bypass the FRP lock.

Method 3: An Efficient Alternative to Reset Locked Oppo A78 5G Phone

If the above-listed methods do not work for any reason, we recommend using Dr.Fone-Screen Unlock (Android) as the best alternative. This is a Windows and Mac-based tool that can help bypass and remove all types of screen locks including PIN, passcode, pattern, Face ID as well as a fingerprint. The software not only works with Oppo A78 5G but all other popular Android devices including Oppo A78 5G, LG, Oppo, and more.

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The screen locks can be removed without rooting, and the software is completely safe to use.

Dr.Fone - Screen Unlock (Android)

The Best Tool for factory reset Oppo A78 5G Phone When Locked

Work perfectly to reset your Oppo A78 5G without a password.
It’s the only solution available that works with both Windows and Mac to help you regain access to your device easily.
Everybody can handle it without any technical background.
Except for resetting, it also unlocks the locked Oppo A78 5G if you are using a PIN, fingerprint, or other screen locks.

4,464,992 people have downloaded it

Steps on how to factory reset Oppo A78 5G phone without password using Dr. Fone - Screen Unlock

Step 1. Download, install and launch the Dr.Fone software on your PC and from the main menu choose the Screen Unlock feature.
Step 2. Next, your Oppo A78 5G phone needs to be connected to the system using a USB cable, and then from the interface select Unlock Android Screen option.

Step 3. In the next step, select your Oppo A78 5G phone’s brand from the supported list in Dr.Fone to ensure it enters the correct specific mode.

Step 4. Dr.Fone will begin unlocking the Android screen once it enters the specific mode. Please wait for the unlock process to finish.

Part 3. How to Reset Oppo A78 5G Phone at Normal Cases?

In normal situations, the Oppo A78 5G phones can be reset using the settings menu or the Android Factory Reset code. Both these methods and their guide to getting the process done are listed below.

To unlock the screen and reset your Oppo A78 5G phone, the settings menu of the Oppo A78 5G device can be used. For this method, you do not need to make your device enter the recovery mode. The steps for the process are as follows.

Step 1. On your Oppo A78 5G phone, open the Settings app and look for the Backup and Reset option from the Personalization section.
Step 2. Next, select Factory Data Reset Option.
Step 3. Go through the on-screen details and then click on the Reset device button.

The steps above will reset your phone to the default factory settings.

Method 2: Reset Oppo A78 5G phones with factory reset code

There are Android Reset Codes for different brands of phones that can be used for resetting the Oppo A78 5G device. These secret codes can be different phones as well as OS versions. In general, the code used for resetting Oppo A78 5G phones is *#*#2846579#*#*.

Steps to reset Oppo A78 5G phone using secret reset code

Step 1. On your Oppo A78 5G phone, go to the dialer and type the code- *#*#2846579#*#*.
Step 2. From the menu, click on the Restore Factory option.
Step 3. Finally, to confirm the resetting of the Oppo A78 5G device, click on the OK button.

The above methods can also be tried if you get stuck in a situation on how to factory reset Oppo A78 5G tablets without password. Also, we recently covered a method of how to bypass the Google account on Oppo A78 5G after a factory reset, we have now had the opportunity to test this with many people with different models of Android and have found mixed results.

Conclusion

The above given are multiple options that can be used for resetting your Oppo A78 5G phone when you forget your device unlock password. Some of these solutions can be used for free and if they work, nothing like that. Dr.Fone – Screen Unlock (Android) is one of the best methods to reset your Oppo A78 5G device as it supports removing all types of screen locks in a hassle-free manner.

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3 Solutions to Hard Reset Oppo A78 5G Phone Using PC

Find here 3 easy ways to hard reset Android using ADK or Android Device Manager from your PC. Also, do not forget to back up Android to PC before starting.

There are several cases when someone wants to know about how to hard reset an Android phone using PC. Such cases usually arise when your device is not accessible or stolen. It also involves situations when you forget the password or the unlock pattern of your device, or maybe your phone has frozen and is non-responsive. In such situations, it is very important to know how to reset Android phones to factory settings from the computer.

Factory reset will delete all your user data from internal storage. Thus it is also very important to back up all your internal data of the Oppo A78 5G device before you hard reset Android via PC. Moreover, a hard reset should be your last option at hand to revive your Android device. Hence, in this article for all the users out there, we have picked up the solution on how to factory reset Android Phone using PC.

You must ensure that all the steps are followed in sync so that the hard reset Android via PC is successful.

Part 1: Back up Android before hard reset

Since factory reset involves removing all data, adjusted settings and logged accounts from the Oppo A78 5G device; therefore, it is very important to back up all the data before moving on with the factory reset process. So, in this section, we will show you how to first back up your Android device using the Phone Backup . This is an easy-to-use and very convenient Android backup software that can be used to back up an Android device.

Wondershare Dr.Fone

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Back up Android data to the computer with one click.
Preview and restore the backup to any Android device or iOS device.
Supports 8000+ Android devices.
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Let’s have a look at the easy process to back up Android before the factory reset it.

Step 1: After installation completes, connect your Android device via data cable and go to “My Backup”. Then, this tool will automatically detect your device.

Step 2: You can now see the file types that will be backed up, such as Contacts, Messages, Calendars, Videos, etc.

Step 3: Click on “Backup pow” to proceed with the process. The backup process will start, keeping connected the Oppo A78 5G device during the phone backup process.

Step 4: Within a few minutes, your whole device will be backed up. You can click “View Backups” to view all data that is backed up.

Phone Backup is one of the handiest and easy-to-use features within Wondershare Dr.Fone. Users can select their opted files manually to restore. This tool supports 8000+ Android devices worldwide. Users will feel safe and secure using this revolutionary software.

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Part 2: Hard Reset Android using Dr.Fone - Screen Unlock (Android)

Dr.Fone - Screen Unlock (Android) is a user-friendly software tool that helps you unlock your Android device if you forget the passcode, pattern lock, PIN, or face/fingerprint lock. It supports various Android devices, allows you to bypass lock screens without data loss, and provides step-by-step instructions for easy unlocking. It also helps with FRP unlock and works on both Windows and Mac systems.

Step 1: Launch Dr.Fone - Screen Unlock on your computer and select “Screen Unlock” from the main interface. After that , you need to connect your Android phone to the computer using a USB cable.

Step 2: Choose “Android” > click “Unlock Android Screen” if you want to remove the lock screen. Choose your device brand. The hard reset methods vary for different device brands, so make sure that you choose the correct device brand.

Step 3: Put the Android phone into Specific mode with the help of Dr.Fone. And then, Dr.Fone will factory reset your Android phone within a few minutes. Now you can access your Android phone without a password!

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In this process, we will learn how to hard reset Android phone to factory settings from a computer using SDK. This involves removing all data from the Oppo A78 5G device using a PC.

Follow the given steps to know how to hard reset an Android phone using PC.

Pre-Requirements

• PC that runs on Windows (Linux/Mac installer is also available)

• You have to download Android ADB tools on your computer. Android ADB Download: https://developer.android.com/studio
• A USB Cable to connect your Oppo A78 5G with your computer.

Steps to hard reset Android using SDK

Step 1: Enable USB Debugging in the Android settings. Open Settings>Developer options>USB Debugging. If developer options can’t be found on the Oppo A78 5G device, then please go to Settings > General > About phone > Common > Software info (tap on it 5-8 times).

Click here

Step 2: Install Android SDK Tools. Ensure that Platform-tools and USB drivers are selected in the SDK manager window.

Step 3: Ensure that the drivers for your Android are installed on your PC or at least the Generic drivers are present

Step 4: Connect the Oppo A78 5G device to the PC using a USB cable. Ensure that the Oppo A78 5G device is recognized in the Windows Device Manager.

Step 5: Open the command prompt in Windows and go to C:\Users\Your username\AppData\Local\Android\android-sdk\platform-tools

Step 6: Type ADB reboot recovery and the Oppo A78 5G device will restart. The recovery menu must appear after this

Step 7: The device can be disconnected now. Now, you can remove the password or simply Factory Reset the Oppo A78 5G device.

Now, you have successfully reset your device using a PC.

Although the first process is the easiest, in certain cases, you might have to look for other options too. Kindly follow the steps thoroughly and format your device with ease.

Part 4: Hard reset Android using Android Device Manager (Find My Device)

When someone loses their phone, or it is stolen, the two questions that commonly arise are: how to locate the phone? And if it is not possible, how to remotely wipe the phone’s data? People can use the Android Device Manager (also referred to as “Find My Device”) and do the exact two things. The best thing about this is that it doesn’t need to be installed as it is inbuilt on all Android Devices.

Let us look at the following steps to know how to reset Android phones to factory settings from the computer.

Requirements for Android Device Manager to Work:

• It must be activated in the Oppo A78 5G device administrator settings. Go to settings > Security > Device administrators and check whether ADM is enabled as a device administrator or not.
• The location of the Oppo A78 5G device must be ON
• The device must be signed in to a Google account
• The device must have an active internet connection
• The device should not be switched off
• Even if the Oppo A78 5G device is without SIM, the Google account must be active

Steps to use ADM to wipe or locate any Android Device:

Step 1: Directly go to the Android Device Manager website , and log in to your account. You will get three options: “Play Sound”, “Secure Device” and “Erase Device”.

Step 2: Click on the “Play Sound” option will make it raise the alarm, notifying of the location, you can easily locate your Android phone if it is nearby.

Step 3: Click “Secure Device”, you can remotely lock your device with a new passcode, display a custom message on the lock screen, and even track the Oppo A78 5G device’s location in real-time. It also gives you the option to add a contact number, so anyone who finds your device can reach out to you.

Step 4: Select “Erase Device” to reset your device. Once you select this option, the interface will take over and complete the job. Congratulations! You have successfully used the Android Device Manager (ADM) to reset your Android smartphone.

The Bottom Line

So these were the third different methods through which you can hard reset your Android device. Resetting the Oppo A78 5G device involves removing every data from the Oppo A78 5G device. The phone gets back to the same state as it was out of the box. Hence, most importantly, do not forget to back up data using Phone Backup and restore beforehand so that you do not end up losing anything important.

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Different Methods for Resetting Oppo A78 5G Phones with Screen Locked and Not | Dr.fone