How to Change Lock Screen Wallpaper on Samsung Galaxy A15 4G

Every smartphone user wants their lock screen wallpapers to be the finest quality. Since the Samsung Galaxy A15 4G 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 Samsung Galaxy A15 4G device. However, before we dive into the Samsung Galaxy A15 4G 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 Samsung Galaxy A15 4G 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.

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 Samsung Galaxy A15 4G 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 Samsung Galaxy A15 4G 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.

How Can We Unlock Our Samsung Galaxy A15 4G Phone Screen?

A phone lock acts as your Android phone’s shield against unauthorized users. Some users have new security features, such as fingerprint impression unlocks for an Android lock screen.

However, certain people like to create a PIN and password on their Google account as their Android screen lock. It tends to be distressing and tedious when you fail to remember the code of your Android phone. Surprisingly, being fully locked out of your device is awful. Also, it can be hard at first to unlock your Android.

Anyway, no one can escape such a situation. Yet, sit back and relax! We know several techniques on the best way to unlock your phone and set a screen lock. You can attempt software like Wondershare Dr.Fone - Screen Unlock for Android to assist you with unlocking your phone in a couple of steps. Besides this, there are various other ways.

Part 1: What Is Your Samsung Galaxy A15 4G Phone Lock System?

There are three types of standard lock types available for Android. You can set a PIN/password, fingerprint, or a pattern as your phone lock. All have their pros and cons. However, everyone should select the ideal one based on their liking and ease of use.

Once you decide on the phone lock type, you can enable or disable them from the Security tab in your Android phone’s settings. After you set a screen lock, your Android will require it every time you try to open your device.

Here you will see how to set up a screen lock on your Android device:

Part 2: Quickly Unlock Your Screen By Dr.Fone

Dr.Fone - Screen Unlock

For a quick, easy, and hassle-free unlocking experience, we suggest you download Dr.Fone - Screen Unlock. Dr.Fone not only unlocks your phone but keeps your data secured during the process. It has a simple interface, and even an amateur can use it to unlock their device.

So, look no further if you want to remove your Android screen lock in just a few clicks. Install Dr.Fone and enjoy using your device again.

Dr.Fone - Screen Unlock (Android)

The Best Tool to unlock Android Phone Screen!

• 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 success rate.

4,008,672 people have downloaded it

Step 1. Open Dr.Fone on your PC and select the “Screen Unlock” tool.

Step 2. Select Unlock Android Screen

This is the page to start your unlock process with two options here, please select” Unlock Android Screen” to unlock your device screen.

Step 3. Select device model

For most Brands, it should be “100% Remove Screen Lock”. These two solutions unlock screens for almost all Android devices, for example, Samsung, Huawei, OPPO, Vivo, Lenovo, LG, etc.

In the supported device brands list, please find the right one for you.

Step 4. Enter into Recovery Mode

Before unlocking your device screen, the instructions below are here to help you to get into Recovery Mode. We take 3 Samsung phones as an example.

Get into Recovery Mode on Samsung phone with Bixby:

Get into Recovery Mode on Samsung phone without Bixby:

Get into Recovery Mode in Samsung phone with Home Button:

Step 5. Instructions to Wipe Cache Partition

During the steps in Recovery Mode, please don’t pick the wrong choices!

You’re now able to access your Android device again when the whole process is over. And you no longer need a password or pattern!

Part 3: Solutions to Unlock Android Screen

1. Google Find My Device

Step 1: Open the “Find my Device” webpage from a browser on your PC.

Step 2: Click “Erase my device,” which you will see on the left half of your screen. After affirming the Delete capability, your phone will boot into recovery and begin playing out a production line reset. It is difficult to stop or drop on your android gadget when you endorse this activity. Regardless of whether you shut down your Android phone - the reboot will continue on startup.

2. Recovery Mode

Depending on your phone, the steps for this process might vary a little. Most phones will allow you to reset by getting to the recovery mode. Follow the steps below to remove the Android screen lock:

Step 1: Turn on the Samsung Galaxy A15 4G device and enter the boot menu. If you want to know how to do so, you can do a speed search on the internet.

Step 2: Access the safe mode, use the volume keys to navigate, and press the Power key to click.

Step 3: Search for the Wipe Data option and select it.

After that, your Android will start the process, which can require a few minutes. However, this process will erase all your user data.

3. Use ADB

This method is very confusing, so follow the steps cautiously on your Android phone to remove the phone lock. With your phone connected to your PC, and the cmd open, type the accompanying commands altogether:

• adb shell
• disc/data/data.com.android.providers.settings/databases
• sqlite3 settings.db
• update system set value=0 where name=’lock_pattern_autoblock’;
• update system set value=0 where name=’lockscreen.lockedoutpermanently’;
• .quit

After you’ve finished this, reboot your Android phone. If this doesn’t reset your lock screen, proceed to the following stage.

With your Android phone connected and the cmd opens, enter:

• abd shell rm/data/system/gesture.key

After entering, reboot your phone once more.

4. Boot into Safe Mode

Step 1: For most phones and your Android, you can do this by opening the power menu and holding the “Power Off.” A message will spring up on your screen, asking whether you might want to Reboot to Safe Mode. Press Ok.

Step 2: Clear data from your lock screen application, uninstall and reboot your phone to escape the Safe mode. When you do so, your Android screen lock will unlock.

5. Crash Lock Screen

This strategy to sidestep a locked screen is only a crisis workaround for the phones in this classification.

• Enter ten asterisks (*) through the dialer application.

• Copy and paste asterisks on the dialer until the “Paste” choice no longer appears.
• Get back to the lock screen and tap on the camera symbol.
• Go to the settings on your Android after pulling down the notifications bar. Now you will have the chance to enter the password, and you must continue the same thing here. Continue to paste until the Android lock screen crashes.

Conclusion

Passwords shield our phones from unapproved access, yet we get locked out unexpectedly on our phone lock. Failing to remember your PIN can be irritating. However, we can assist you in reaccessing your locked phone without a factory reset by using Dr.Fone - Screen Unlock. Dr.Fone is an expert in solving such problems in just a few minutes. So download this expert tool immediately for a quick solution.

How To Remove Screen Lock PIN On Samsung Galaxy A15 4G Like A Pro: 5 Easy Ways

When protecting personal information on your phone, setting up a lock screen is essential. If you’ve ever forgotten your screen lock PIN on Android, you know how frustrating it can be to get back into your device. If you’ve ever tried to remove the screen lock PIN on an Android device, you know it’s not that easy.

It depends on your phone and the type of lock code you have set up. Note that this will erase all your data from the phone, so be sure to back it up first. This post will teach you how to remove the screen lock PIN on Android devices using several methods. So if you cannot use your device, keep reading for the steps!

Part 1: How To Remove Screen Lock PIN On Samsung Galaxy A15 4G? 5 Simple Ways

If you’ve forgotten your screen lock pin, there’s no need to worry. Here are quick and easy ways to remove the screen lock PIN on your Android device.

1. Change or Remove in Settings

When you go to Settings > Lock Screen > Screen lock type, several lock screen options are available. These options are given below:

Swipe:

You can unlock your phone by swiping in any direction on its screen.

Pattern:

You will draw a pattern on a 3-by-3 grid of dots to unlock your phone this way. To do this, you’ll need to use your finger to connect the dots in the pattern.

Phone Pin:

When you choose a PIN, make sure it’s something easy to remember. But choose wisely- a PIN that’s too easy to guess can put your account at risk.

Password:

It is the highest level of security available for your phone. Passwords should contain seven characters, of which at least one must be a letter. They should also be both unique and memorable.

Face recognition:

By holding your face directly in front of the phone screen, you can unlock your phone and verify yourself in apps.

Fingerprints:

Touch your phone to open it quickly and easily.

Iris:

Verify that only the contents of your phone are visible to your eyes.

Intelligent Scan:

Unlock your device with both facial and iris recognition.

If you’ve forgotten your lock PIN on your Android device, don’t worry - there are a few ways to reset it. Here’s how:

Step 1: Select Lock Screen > Screen lock type from the Settings menu.

Step 2: When prompted, enter your current lock screen code.

Step 3: Select None from the list.

2. Disable Android Device Manager

It is not possible to remove the PIN from some Android devices. The Android device administrator can be disabled in this situation. Here’s how to universal unlock a PIN for Android:

Step 1: From the “Settings” option, select the “Security” option and click on it to begin.

Step 2: Select “Device Administrators” from the menu, and you will see a list of apps that may restrict your ability to change the settings.

Step 3: Choose the Android device manager from the list.

Step 4: Click on “Disable.”

3. Remove PIN from Google Find My Device

Even if you don’t remember your Android lock PIN, you can use Find My Device to eliminate your Android lock PIN. Sign in to Google Play, turn on Find My Device and Location, and connect your locked phone to the internet.

Here’s the guide to universal unlock PIN for Android:

Step 1: Log into your Google account on your computer and visit Google Find My Device.

Step 2: Tap the “ERASE DEVICE” icon on your device and enter your account information again.

Step 3: To remove Android phone settings and data, click the “Erase” icon. Once that is done, you will erase the phone PIN.

4. Factory Reset Your Samsung Galaxy A15 4G (Data Loss)

A factory reset in Recovery mode can also be used to remove the forgotten phone PIN lock on an Android device. It is important to note that you will lose everything on your device if you universal unlock your PIN for android.

Steps to get rid of forgotten phone PIN via factory reset:

Step 1: Turn off your Android phone by pressing and holding the Power button.

Step 2: To enter Recovery mode, press and hold the Volume Down + Power buttons simultaneously. Hold the buttons until the Start menu appears.

Step 3: After selecting Recovery mode with the Volume Down button, press the Power button to confirm.

Step 4: Select Wipe data/factory reset using the Volume buttons. Press Yes to confirm the operation.

Step 5: Once your device has been factory reset, you need to restart it by selecting the Reboot system now option.

Part 2: Is There Any Universal Unlock PIN For Android?

Dr.Fone - Screen Unlock (Android)

Remove the Screen Lock Pin 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.
• Almost all Samsung phones and tablets are supported (Currently for Android 6-12).
• Provide specific removal solutions to promise good success rate.

4,008,671 people have downloaded it

While there is no “universal unlock pin” for Android devices, Dr.Fone - Screen Unlock can bypass the lock screen on many popular phone models, including Samsung, LG, Motorola, Sony, HTC, Huawei, and more. Its simple interface makes it easy to use, even for those who are not tech-savvy.

Step 1: Select “Screen Unlock” from all the tools in Dr.Fone.

Step 2. Select Unlock Android Screen

We provide 2 options for you, and to unlock screen, you should select “Unlock Android Screen”.

Step 3. Select device model

There are still 2 buttons to choose, “100% Remove Screen Lock” is for most Android brands, but please back your device up before you pick it.

Check the brands’ list and make sure your unlock process keeps.

Step 4. Enter into Recovery Mode

With examples of Samsung phones, it’ll be clearer to understand how to unlock your Android phone via Recovery Mode.

Note: The specific processes are various according to different brands.

Recovery Mode in Samsung phone with Bixby

Recovery Mode in Samsung phone without Bixby

Recovery Mode in Samsung phone with Home Button

Step 5. Instructions to Wipe Cache Partition

Steps in Recovery Mode are really important. Find the correct options and your locked screen will be removed.

Now it’s a phone everyone can access without a password or pattern.

Part 3: In What Cases Should We Remove PIN On Our Android Phone?

There are a few reasons why you might want to remove the phone PIN from your Android:

1. Failed Attempts

If you’ve tried to unlock your phone with a pin too many times and failed, your phone will become locked. In this case, you’ll need to remove the PIN to unlock it.

2. Buy a Used Android phone

When you buy a second-hand Android phone, it’s best to remove the previous owner’s pin for security reasons. You can enter the phone’s settings and remove the PIN under the security section.

The Bottom Line

It can be frustrating when you forget your screen lock pin. You’re stuck staring at your phone, unable to use it or access any of your important data. But don’t worry; there are a few ways you can try to remove the screen lock pin on your Android device.

Luckily, Wondershare Dr.Fone - Screen Unlock is a powerful and easy-to-use lock screen removal tool that can help you bypass your lock screen in just a few minutes. Plus, it’s compatible with a wide range of Android devices, so you can use it regardless of what type of phone you have.