How to Change Lock Screen Wallpaper on Oppo A18

Every smartphone user wants their lock screen wallpapers to be the finest quality. Since the Oppo A18 device comes with a generic lock screen wallpaper on itself, changing it is necessary. Regardless of your Android device, the need to change the lock screen wallpaper on Android is significant. If so, the article will provide two diverse techniques familiar to any Android device.

Along with the basic methods, the article will redirect its discussion to changing the lock screen wallpaper for different brands. Find more about how to change the lock screen wallpaper on Android with the available methods and techniques to bring aesthetics to your device.

Part 1: How To Change Lock Screen Picture on Android Phone With 2 Common Methods

Every Android smartphone has its interface to follow while changing the lock screen wallpaper or screen saver of the Oppo A18 device. However, before we dive into the Oppo A18 device-specific details, let’s dissect the two common methods to change the lock screen wallpaper on Android:

Method 1: Pressing Home Screen Method

The first thing to try for changing the lock screen wallpaper includes the long press technique. This technique is available for almost all Android devices, a basic approach to changing lock screen wallpapers. To know how it is done, follow the steps provided below:

Step 1: As you unlock your Android smartphone, press the clear region until the home-screen options appear on the front.

Step 2: Select the “Wallpaper” option in the available buttons to lead to another window showing different wallpapers.

Step 3: Out of all the wallpapers, select any of them and tap on the “Apply” button to set it as your lock screen wallpaper.

Method 2: Using Your Gallery

You can also set your favorite picture as the Android lock screen wallpaper from the settings provided in your gallery. To know how you can utilize your device’s Gallery, look into the steps provided next:

Step 1: Access the menu of your Android device and locate the “Gallery” app in the available options. Continue to locate your respective photo in the “Albums.”

Image name: lock-screen-wallpaper-on-android-3.jpg

Image alt: access the gallery

Step 2: Choose and open the image on the screen, and continue to select the “Three-Dotted” icon on the bottom-right of the screen.

Step 3: On selecting the option of “Set as wallpaper,” you will apply the particular image from the Gallery as your lock screen wallpaper.

Part 2: How to Change Lock Screen Wallpaper on Different Brands of Android Phones

The provided methods in the above part are comprehensive in changing the lock screen wallpaper of any Android smartphone. This, however, is not the same and is true for every Android device in the market. Since the difference in operation brings a clash for many users, the need for an idea for different smartphone brands is essential.

For this part, we will bring a guide explaining how to change the lock screen wallpaper on Android of different brands:

For Samsung Users

Step 1: On unlocking your Samsung, hold the empty space on your home screen to open a set of options. Select “Wallpapers” from the available list and continue to the next screen.

Step 2: Choose the option of “My wallpapers” or “Gallery” from the available list and select the wallpaper of your choice. As you select one, you will have to set it as your “Home screen,” “Lock screen,” or wallpaper for both screens.

Step 3: Once you observe the image on the preview window, tap on the button on the bottom to set it as your lock screen wallpaper.

Step 1: As you access the home screen of your Google Pixel, continue to hold the space. This will open a list of options where you must tap on “Wallpaper & style.” Continue to select the “Change wallpaper” option to bring new colors to your Google Pixel.

Step 2: On the next screen, select any particular category you want to set the lock screen wallpaper. For instance, if you selected “My photos,” choose your image and preview it on the following screen.

Step 3: To proceed, specify where you wish to set it as your wallpaper. As the options appear on the front, select the “Lock screen” option and continue to set your wallpaper.

For Motorola Users

Step 1: Lead into the “Settings” of your Motorola device and look for the “Wallpaper & style” option in the list.

Step 2: Select any options appearing on the next screen that defines the location from where you will add the new wallpaper. Selecting a particular wallpaper from the available options leads to the “Preview” screen.

Step 3: Continue to select the “Lock Screen” option on the preview screen and tap on the “Tick” icon at the bottom. To confirm, tap “Lock screen” to change the wallpaper on the lock screen of your Motorola.

Step 1: Launch the “Settings” application on your OnePlus smartphone and continue to the “Personalizations” option.

Step 2: On the next screen, continue to the “Wallpapers” section and go through the available media to select a new wallpaper.

Step 3: As you select a particular wallpaper and continue to the preview screen, select the “Apply” button and proceed to choose “Lock Screen” from the pop-up menu.

Part 3: Top 10 Download Sites About Cool Screen Wallpaper on Android

What if you feel that you do not have the coolest screen wallpaper that you can change on your Android device? Before changing your Android lock screen wallpaper on your device, find a unique option that can be easily replaced. Instead of limiting yourselves to the options available on the Oppo A18 device, you can consider moving to different download sites for downloading the coolest lock screen wallpaper:

1. Zedge

Zedge is one of the most premium websites for accessing wallpapers for Android devices. With accessibility to content from exclusive artists, Zedge presents the best personalization options to its users. For effective wallpaper creation, you can add your creativity to bring in the best results for your device.

2. Interfacelift

For exclusive access to free wallpapers of multiple categories, Interfacelift provides some impressive and high-quality results. This intuitive wallpaper site provides some captivating options. Along with that, it asserts a special force on photographs of landscapes, which makes it a great site.

3. Unsplash

Known for keeping royalty-free, high-quality content, Unsplash can be a great Android wallpaper site. Download your favorite wallpapers that will perfectly suit your Android device. Along with its smooth interface, Unsplash offers diversity with its dedicated Unsplash+ plan.

4. Mobile9

For variety, you can always go for Mobile9. This unique, expressive, and productive wallpaper site provides the best Android wallpapers. Following this, it offers multiple diversity of content, including ringtones and books. However, to get your hands on the finest quality wallpaper, do consider trying the site.

5. Dribbble

If you seek the best design for your Android lock screen, Dribbble provides the finest quality. Out of the 10,000+ designs, you can find your choice. Along with that, the site service also presents the wallpapers in dedicated categories. Searching for the right Android lock screen wallpaper gets easy in such an environment.

6. Wallpapers.com

For a service that provides dedicated Android lock screen wallpapers, Wallpapers.com holds a good position. With the finest wallpapers to use on the Android device, you can also customize the available wallpapers. Dedicated categories make it easy for users to select their favorite wallpaper from the 1000+ options.

7. Pexels

There are very few websites that offer the finest quality wallpapers for free. Pexels, being one of them, displays a great interface for users with sub-categorization. With descriptions for every wallpaper, you can select the best one for your device. Find a categorized section of more than 70,000 wallpapers on this platform.

8. Pixabay

Who won’t have heard of Pixabay as a haven for lock screen wallpapers? This platform provides a different perspective on wallpaper search. To find the best option, you can diversify your search according to orientation, size, and color. This makes your search much easier and swift for changing the Android lock screen.

9. 500px

To access the best wallpapers in the world, 500px is a good platform to keep in mind. While it helps a wide community fulfill their tasks, it can be a purposeful option. For diverse operability in the site, users can also sell their work into a global marketplace.

Click here

### 10\. Wallpaperswide

From desktop to Android wallpapers, Wallpaperswide holds a diverse set of options. This platform is designed to provide a diversity of categories to its users. With a simple interface, it is a great option for gathering content.

Bonus Part: How To Unlock Android Screen if Forgotten the Password

Although you have learned how to change the lock screen wallpaper on Android, multiple complications can arise. One such problem that can occur on your device involves it getting locked. If the Oppo A18 device gets locked, you cannot use it. For an Android whose password is locked, you will require a platform to amend the problem.

Dr.Fone – Screen Unlock (Android) provides a complete platform to unlock the Android device. This is the right place to go if you seek to remove such locks from your device within minutes. With the option of bypassing any screen lock, it can protect your device’s data.

Such options make it the finest platform to resolve issues with the Android device. To know how one can unlock their Android device with Dr.Fone, look through the provided steps:

Step 1: Open Screen Unlock Tool

You need to download and launch Dr.Fone on your computer and continue to the “Screen Unlock” tool. On accessing the tool, connect your Android device with a cable.

Step 2: Start Unlocking the Android

Proceed to select the “Unlock Android Screen/FRP” option and continue into the “Unlock Android Screen” option.

Step 3: Select Mode and Device Details

If you intend not to lose data, continue to the “Remove without data loss” option. You will have to select the details of the connected Android device.

Step 4: Access Download Mode

Put your Android device in Download Mode by powering it off. Continue to press the “Volume Down,” “Home,” and “Power” buttons simultaneously. After a few seconds, press the “Volume Up” button to enter the Download Mode.

Step 5: Unlock Android Successfully

The package starts downloading as the Oppo A18 device gets into Download Mode. It will take a while until it completes. Once the download process gets completed, press the “Remove Now” button to remove the Android screen lock.

Image name: lock-screen-wallpaper-on-android-32.jpg

Image link: https://images.wondershare.com/drfone/guide/android-unlock-07.png

Image alt: start removing screen lock

Conclusion

The details provided are comprehensive in helping you change the lockscreen wallpaper on Android. While learning unique ways, along with dedicated techniques for smartphones, we are sure that you are clear about how to change lock screen picture on Android phone.Why not take a try now? This article has also introduced some of the best sites to download Android wallpapers. For effective results and to save your locked device from getting useless, use Dr.Fone – Screen Unlock.

6 Proven Ways to Unlock Oppo A18 Phone When You Forget the Password

Smartphones are mushrooming in today’s world, and it is like everybody is using these kinds of phones. Android phones are the most popular phone used by millions of users across the globe. As an Android user, I am sure you are keen to protect the data on your phone or prevent an unauthorized person from using it. One method to protect your phone data is to lock your phone screen. This is a good feeling since you will be the only one accessing your phone since you may not share the password with your child or even your spouse.

Unfortunately, this usually ends up forgetting the Android lock password. You may enter all the passwords you know, and your phones get locked. What will you do? In this article, we will learn how to unlock Android forgotten passwords in six ways.

You can watch the video above about how to unlock your Android Phone!

Way 1. Try Face or Fingerprint to Unlock Oppo A18 Phone

How to unlock your phone when you forget the password? If you’ve forgotten your Android phone’s password, the best way to unlock it is to use your device’s built-in biometric authentication features, such as face unlock or fingerprint unlock.

Face unlock uses your device’s front-facing camera to recognize your face and unlock your phone. And fingerprint unlock uses your device’s fingerprint scanner to recognize your fingerprint and unlock your phone. Both of these methods are very secure. And they can quickly and easily unlock your phone without having to remember your password.

However, you must use the face or fingerprint unlock correctly on your Android phone. The tips below can prove helpful:

Step 1: Make sure your face or fingerprint is registered correctly on the Oppo A18 device.
Step 2: Make sure the lighting is adequate and your face is clearly visible.
Step 3: Make sure the distance between your face and the camera is not too far.
Step 4: Make sure your finger is clean and dry before putting it on the fingerprint sensor.
Step 5: Try to use the same angle and position of your face or fingerprint every time.
Step 6: Try to use the same lighting conditions each time you use the face or fingerprint unlock.
Step 7: Make sure your device is up to date with the latest security patches.
Step 8: Make sure that your device is not rooted or running any custom ROMs.

If you are still unable to unlock your device, you may need to follow the solutions below.

Way 2. Unlocking Forgotten Password on Android Phones Using Dr.Fone Screen Unlock

Dr.Fone is an all-in-one tool that allows you to completely recover lost files from your Android device and unlock Android forgotten passwords. This cross-platform software can unlock a phone on which you forgot the Android password. This inbuilt feature allows you to remove the Android forgotten password while safeguarding your Android device’s data files. Above all, as the best phone unlocking software , it is cost-effective and easy to use.

It can remove 4 screen lock types - pattern lock , PIN, password & fingerprints.
No tech knowledge asked everybody can handle it.
Work for Samsung Galaxy S/Note/Tab series, LG G2/G3/G4 , Huawei, Xiaomi, Lenovo, etc.

Dr.Fone - Screen Unlock (Android)

The Best Tool to Unlock Android Phone Forgot Password Without Any Hassle!

Completely unlinked from the previous Google account, it won’t be traced or blocked by it anymore.
Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
Bypass Android FRP lock without a PIN or Google account.
Provide specific removal solutions to promise good success rate.

4,008,669 people have downloaded it

Attention: When you use it to unlock Huawei , Lenovo, and Xiaomi, the only sacrifice is that you will lose all the data after unlocking.

Well, in a few minutes, you will unlock your Android phone’s forgotten password with ease. First, download Dr.Fone and install it on your computer. Thereafter launch it and follow these steps.

Step 1. Select the Unlock Android Screen Option

Once you have opened the program, select the “Screen Unlock” option directly. Next, connect your Android-locked phone and click on the “Unlock Android screen” button on the program window.

Step 2. Select Your Device Brand

After this step, you will be guided to another screen where you need to choose the brand of your device.

Step 3. Enter Download Mode

You will need to put your device into Download Mode for unlocking. Depending on your device’s brand and model, the instructions for doing so may vary.

Step 4. Observe the Unlock Process

The screen displays the progress of unlocking, downloading drivers and configuration files. Once the entire process is complete, you will be able to access yours forgot password Android device without having to enter any passwords.

Way 3. Use Google Find My Device to Remotely Unlock Your Android Phone

You can use Google Find My Device to unlock your Android phone remotely with another Android phone. All you need is the Google account and its password bound to unlock Android phone forgotten password.

Note: You must have enabled Find My Device on your device before proceeding.

Step 1: Open the Find My Device app or visit android/find .
Step 2: Sign into your Google account.
Step 3: You can select the Oppo A18 device you want to unlock and tap on the “Unlock” button.
Step 4: Your device will then be unlocked.

Please remember that this feature is only available for Android 5 and above in case Android forgot password.

Way 4. Reset Your Android and Remove the Password Using “Forgot Pattern” (Android 4.0)

There are several ways that you can reset Android after you forgot your password. You can reset using a google account or perform a factory reset.

This feature is available on Android 4.0 and older versions. So if you are using Android 5.0 and above, you can opt for the Screen Unlock tool or other ways as mentioned in this article.

Step 1. Enter the wrong pin on your android phone five times.

Step 2. Next, tap on “Forgot Password.” If it is a pattern, you will see “Forgot Pattern.”
Step 3. It will then prompt you to add your Google account username and password.

Step 4. Bravo! You can now reset your password.

Way 5. Factory Reset Your Android and Remove Password

If you are not successful with the above method, you can opt to perform a factory reset. This method should be the last option since you will lose data that has not been synced to your Google Account. It is wise to remove your SD card before performing the Android reset.

You can unlock your Android phone, i.e., Samsung, Oppo, or Vivo, by factory resetting it with these steps:

Step 1. Turn off your Android phone.
Step 2. Hold the Volume (-) and Power/Side buttons simultaneously.
Step 3. When the phone vibrates, release the Power button and hold the Volume Down button.
Step 4. Use the Volume (-) button for the “wipe data/factory reset” option. Then press the Power/Side button to confirm.
Step 5. Tap the “Yes – delete all user data” option and the Power button to confirm.
Step 6. After the reset, select “reboot system now” and tap the Power/Side button to restart your device.
Step 7. Your phone will now be unlocked, and the password will be removed.

Way 6. Unlock Samsung Phone with Samsung’s Find My Mobile

The best way to unlock Android forgot password on Samsung is to use Samsung’s Find My Mobile service. This service allows you to remotely unlock your device, reset the lock screen password, and even disable the lock screen altogether.

Step 1: To use this service, you must first log into your Samsung account on a computer or mobile device;
Step 2: Once logged in, you can locate your device, select the “Unlock” option;
Step 3: Enter your new password. Once unlocked, you can access your device with your new password.

FAQs About Android Unlock

1. Is there any universal code to unlock the Android phone?

No, there is no universal code for unlocking Android phones. They are different from stable SIM pins. Due to mobile device security, only users themselves can set up a unique password on their Android phone. So, it’s impossible to unlock an Android phone with a so-called universal code.

2. How to reset your Android phone password after the unlock?

Step 1: Open your Samsung phone and go to the Settings menu.
Step 2: Select the Lock Screen and Security options.
Step 3: Select Screen Lock Type.
Step 4: Select the Password option.
Step 5: Enter your current password, then tap Continue.
Step 6: Enter your new password twice, then tap OK.
Step 7: Your new password will now be in effect.

3. Don’t you have face or fingerprint unlock? Let’s set them up.

Step 1: Go to the Settings app on your Samsung phone.
Step 2: Tap on the “Lock Screen” option.
Step 3: Select “Screen Lock Type.”
Step 4: Choose the “Fingerprints” or “Face unlock” option.
Step 5: Follow the instructions on your screen to set up the desired unlock feature.
Step 6: When you’re finished, you’ll be able to unlock your phone using either your fingerprint or your face.

4. How to unlock an Android phone without data loss?

There are several ways how to unlock Android phones without data loss . One of the most recommended ways is that you can set up the method to unlock with a fingerprint or face. Because it has an official guarantee, and you don’t need professional skills. Moreover, if your phone has Android version 4.0 or even older, unlocking your phone via “Forgot Pattern’ will also help you finish the goal.

The methods discussed above in Way 1 or Way 2 can guide you better into unlocking your device using this tool.

Conclusion

To conclude, when you have an Android Password forgot the phone at hand, this guide can offer you several useful perspectives. However, it is advisable to perform Android password recovery using Dr.Fone - Screen Unlock (Android) . This software is fast, safe, and ensures that you have a better phone experience.

How To Remove or Bypass Knox Enrollment Service On Oppo A18

In today’s digitally-driven work environment, many companies rely on Knox Enrollment Service to secure their employees’ phones and safeguard sensitive data. However, you might have a Knox-enrolled phone you wish to unlock for personal use.

This article will guide you through removing or bypassing the serviceon your phone. However, it’s important to note that this should ideally be done with your employer’s consent. For transitioning to personal use or other reasons, understanding how to remove or bypass Knox Enrollment Service can be crucial for some users.

Part 1: What Is the Knox Enrollment Service?

Knox Enrollment Service is an integral part of Samsung’s Knox, a toolbox of security features for enterprise-level management of mobile devices. This service is pivotal in how companies manage and secure their mobile devices, especially in a corporate environment.

What It Is

Knox Enrollment Service by Samsung is a tool businesses use to automatically enroll Samsung devices into their management systems when the Oppo A18 device is connected to the internet. It’s designed for IT administrators to easily deploy, manage, and enforce policies across devices in their network, ensuring consistency and security.

What It Does

The service allows IT administrators to pre-configure settings and apps and manage other aspects of the Oppo A18 device’s functionality. When a device is enrolled, it can be remotely controlled and monitored. The administrators can push updates, track device locations, remotely wipe data for security, and enforce specific compliance policies. This automation of device enrollment simplifies the setup process for both the IT department and the end-user.

Advantages

Of course, Samsung Knox would not be popular without any advantages. Here are some of them:

Enhanced security. Knox Enrollment Service ensures corporate devices have robust security features. This helps in safeguarding sensitive data against unauthorized access.
**Streamlined management.**It simplifies the Oppo A18 device management, allowing administrators to configure devices without physical access.
The service enables the customization of devices to fit specific business needs, including installing necessary applications and restrictions on unauthorized apps.
Compliance Assurance. With the ability to have policies remotely, companies can ensure that all devices comply with corporate standards and regulations.

Disadvantages

However, it also has some disadvantages:

**Restrictive for users.**For employees, this can mean reduced control over their devices. After all, certain functionalities might be restricted by the employer.
Potential privacy concerns. The ability of IT administrators to monitor and control devices may raise privacy concerns among employees.
Complexity in management. While it simplifies many aspects, managing many devices through Knox can become complex. This is particular in diverse environments with different user needs.

Knox Enrollment Service is a powerful tool for enterprise mobile management, offering enhanced security and simplified device management. However, it also introduces challenges, particularly regarding user autonomy and privacy. Understanding these advantages and disadvantages is crucial before removing or bypassing this service.

## Part 2: How To Remove Knox Enrollment Service on Your Oppo A18

In most cases, an administrator can only effectively remove the Knox Enrollment Service through the Samsung Knox Portal. This typically requires cooperation from your employer.

Here’s a step-by-step guide to removing itfrom the Admin’s Portal:

Step 1: Sign in to the Samsung Knox Portal using administrative credentials.
Step 2: Navigate to Samsung Knox Mobile Enrollment, then click Devices.
Step 3: Select the Oppo A18 device in question and click Actions.
Step 4: Choose the Clear Profile option to remove all profiles from the Oppo A18 device. This action will disassociate the Oppo A18 device from any existing Knox configurations.

After removing the Oppo A18 device from Knox Enrollment via the admin account, you may still need to uninstall the Knox app from the Android device. This can usually be done through the Oppo A18 device’s settings. Navigate to ‘Apps’ in the settings menu, locate the Knox app, and select ‘Uninstall’ or ‘Disable’. Be aware that this option might not be available on all devices, depending on how Knox was configured.

Rooting and Flashing a New ROM To Remove Knox Enrollment Service

For the more tech-savvy users, another method to bypass Knox Enrollment Service is by rooting the Oppo A18 device and flashing a new ROM. This process involves gaining root access to the Oppo A18 device’s operating system, which allows you to modify the software extensively. After rooting, you can flash a new ROM that doesn’t include the Knox software.

However, this method is risky and not recommended for the average user. It will void your warranty and potentially ‘brick’ your device, rendering it unusable. Furthermore, this action could notify your employer of your attempt to remove Knox, which could have professional repercussions. Proceed with this method only if you know the risks and consequences.

Removing Knox Enrollment Service from your phone is feasible but requires careful consideration, especially in a corporate context. Always ensure you have the necessary permissions and understand the risks of modifying your device’s software.

If You Can’t Use the Above Methods

If none of the above methods are feasible, and you find your phone locked or restricted due to Knox, read through the next section. It will provide additional insights on what to do next.

Part 3: How To Bypass a Locked Phone With a Professional Tool

When faced with a locked phone due to Knox security features, and if conventional methods don’t yield results, turning to a third-party tool can be a viable solution. One such tool known for its efficiency in bypassing phone locks is Wondershare Dr.Fone - Screen Unlock.

Wondershare Dr.Fone is a versatile software suite that tackles various smartphone issues, including unlocking screens. Its Screen Unlock feature is useful for bypassing security barriers without requiring extensive technical knowledge. It hosts several features, such as those you need for data recovery, system repairs, and other smartphone services.

Dr.Fone’s Screen Unlock Feature

The Screen Unlock feature in Dr.Fone is specifically designed to bypass screen locks. Often, you can use it for issues such as forgotten passwords or the like. The great thing is that it can also bypass those locks enforced by Knox. You can do all these without causing data loss or significant changes to your device’s system.

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.

4,008,669 people have downloaded it

How To Use Dr.Fone - Screen Unlock

Step 1: Open Dr.Fone and select the Screen Unlock module under Toolbox. Connect your locked phone to the computer using a USB cable.

Step 2: On the next pages, select Android > Unlock Android Screen.

Step 3: Find the brand of your device.

Step 4: Select Remove without Data Loss.

Step 5: Enter “000000” to start the process after confirming device details.

Step 6: Follow the instructions to put your device into Download Mode.

Step 7: After the process is completed, click Done. Don’t be afraid to retry the process if it doesn’t work.

If you find yourself locked out of your phone due to Knox and unable to use conventional methods to regain access, Wondershare Dr.Fone offers a reliable and user-friendly alternative. Its Screen Unlock feature is designed to bypass such security features effectively, ensuring you can regain phone access with minimal fuss.

You May Also Interested:

Tutorial to Change Android IMEI without Root

8 Safe and Effective Methods to Unlock Your iPhone Without a Passcode

How to Unlock OPPO Phone Without Password?

Conclusion

In this article, you’ve explored the intricacies of the Knox Enrollment Service and the steps to remove or bypass it. Key takeaways include understanding what Knox is and its removal or bypass methods. However, securing authorization from your organization or phone provider is important before proceeding. This precaution is crucial to avoid potential complications.

For those facing a locked phone due to Knox and unable to follow conventional methods, Wondershare Dr.Fone emerges as a reliable solution. Its Screen Unlock feature offers a safe and efficient way to regain access to your device, ensuring you stay connected without compromising security.