How to Unlock Samsung Galaxy A15 4G Phone without Google Account?

Uh oh – you’ve forgotten your Android Unlock code, and you can’t get it online to unlock using Google. Nothing could be more frustrating than gazing at your phone, knowing that it is essentially a paperweight at this point. Unless you can get it unlocked, your phone is useless, and all of your important photos, text messages, and content are all locked out of your reach. While right now, nothing can do without a Google account. But you can try to reset your Google account first.

Part 1: How to Bypass Lock Screen on Android device with Google Account (Android Device Manager)

Even if you have a Google account, if your phone isn’t connected to the internet, you cannot access it to unlock your phone. If this sounds familiar, you can always try this method.

1. First, navigate to the Android Device Manager page. You will need to sign in with the Google account that you use to set up your phone.

Android Device Manager link: http://www.google.com/android/devicemanager

2. Once you have logged in, you will automatically be redirected to the Android Device Manager page. If this is your first time, click the “Accept” button.

3. A list of all of the Samsung Galaxy A15 4G devices registered to this Android account will pop up. Select the Samsung Galaxy A15 4G device in question from this list.

4. The Android Device Manager will then locate your device. Make sure it is turned on!

5. After it has been located, you will have a few options for what to do next. If you do not know your phone’s location, you can call it from this screen, but if you know where it is, click the ‘Enable Lock & Erase’ option.

6. A notification will pop up on your device; confirm it.

7. At this point, you will be asked to create a new lock screen password. Once you have chosen one, press “Lock.”

8. Now, simply enter the new passcode on your device, and voila! It will open, and you can get back to your daily routine.

Part 2: How to Reset Your Google Account on your Android Phone

If you have forgotten your Google Account password, it is still possible to unlock your account and access the information within. Here is how you can unlock your Google account on your Android phone.

1. On your browser, go to the Google home page and try to sign in. You will fail, but that is good! It will lead you to the next step.

2. Since you cannot sign in on the sign-in page, you can now select the ‘Help’ link.

3. Choose the “forgot password” option. You will be prompted to enter your email address to proceed.

4. Two options will then appear: the first is your phone number, and the other asks you for your backup email.

5. Enter either one of these options, and you will receive a verification code via email, SMS, or a telephone call from an operator. If you have chosen to enter your backup email, at this point, you will receive detailed instructions on how to access the ‘reset password’ page.

6. Once you have been redirected to the ‘reset password’ page, you can input your new login information.

7. Finally, you can unlock your Google account on your Android! Confirm this by clicking the “Change Password” button. Success!

Part 3. How to Remove Locked Screen on Android using Dr.Fone

It supports removing screen lock from mainstream models, such as Samsung, LG, Lenovo, Xiaomi, etc. For some older version Samsung models, you can remove the lock without data loss. It will erase data after unlocking for other models.

Dr.Fone - Android Lock Screen Removal

Remove Android Screen Lock In One Click

• Pattern, PIN, password, fingerprints & face screen lock can all be unlocked.
• Bypass Android FRP lock without a PIN or Google account.
• No tech knowledge asked. Everybody can handle it.
• It will complete the unlocking process in minutes.

3,981,454 people have downloaded it

How to use Dr.Fone to unlock

Step 1: Install Dr.Fone toolkit and select Screen Unlock > Android > Unlock Android Screen.

Now connect your Android phone connected with the PC, and select the Samsung Galaxy A15 4G device brand from the list.

Step 2: Follow the on-screen instructions to put your Android device into the specific mode. Once the download is complete, Dr.Fone will start the unlocking process.

Step 3: After the process is complete, your Android device should be unlocked, and you can access it without the screen lock.

Conclusion

We know that losing or forgetting your Android lock code can be a real pain, and so these solutions are sure to put the smile back on your face and get you using your phone again as usual. As you can see, the Dr.Fone - Screen Unlock (Android) is a simple and reliable way to unlock your Android phone, but you can always try the Google option if you assess that it better suits your needs. No matter which solution you choose, your locked Android phone will be up and running again in no time at all.

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.

Click here

### 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.

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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.

6 Solutions to Unlock Samsung Phones If You Forgot Password, PIN, Pattern

Too many times, we forget the passcode of our smartphones, only to regret it later. Don’t worry if you are facing the same issue. It happens to all of us at times. Fortunately, there are many ways to unlock an Android device even when you have forgotten its password/pin/pattern lock. This guide will teach you how to unlock Samsung phones if you forgot the password in five different ways. Read on and choose your preferred option if you forgot the password on your Samsung phone and move past every setback you face.

Solution 1: Unlock Samsung Phone using Dr.Fone - Screen Unlock (5 mins solution)

Among all the solutions we are going to introduce in this article, this is the easiest one. Dr.Fone - Screen Unlock (Android) can help you remove the lock screen of some Samsung and Samsung devices without any data loss. After the lock screen is removed, the phone will work like it’s never been locked before, and all your data are there. Besides, you can use this tool to bypass the passcode on other Android phones, such as Huawei, Lenovo, Oneplus, etc. The only defect of Dr.Fone is that it will erase all the data beyond Samsung and Samsung after unlocking.

Dr.Fone - Screen Unlock (Android)

Get into the Locked Samsung Phone within Minutes

• Available for most Samsung series, like LG/LG2/LG3/G4, etc.
• Except for Samsung phones, it unlocks 20,000+ models of Android phones & tablets.
• Everybody can handle it without any technical background.
• Offer customized removal solutions to promise good success rate.

4,008,669 people have downloaded it

How to unlock an Samsung phone with Dr.Fone - Screen Unlock (Android)?

Step 1. Launch Dr.Fone.

Download Dr.Fone from the download buttons above. Install and launch it on your computer. Then select the “Screen Unlock“ function.

Step 2. Connect your phone.

Connect your Samsung phone to the computer using a USB cable. Click on Unlock Android Screen on Dr.Fone.

Step 3. Select the phone model.

Currently, Dr.Fone supports removing lock screens on some Samsung and Samsung devices without data loss. Select the correct phone model information from the dropdown list.

Click here


Step 4. Boot the phone in download mode.

• Disconnect your Samsung phone and power it off.
• Press the Power Up button. While you are holding the Power Up button, plug in the USB cable.
• Keep pressing the Power Up button until the Download Mode appears.

Step 5. Remove the lock screen.

After your phone boot in download mode, click on Remove to start to remove the lock screen. This process only takes a few minutes. Then your phone will restart in normal mode without any lock screen.

For more detailed steps, please go to our guide on unlocking Android phones with/without data loss .

Solution 2: Unlock the Samsung Phone Using Android Device Manager (Need a Google account)

This is probably the most convenient solution to set up a new lock for your Samsung device. With Android Device Manager, you can locate your device, ring it, erase its data, and even change its lock remotely. All you got to do is log in to the Samsung Galaxy A15 4G device Manager account using the credentials of your Google Account. Needless to say, your Samsung phone should be linked to your Google Account. Learn how to unlock the Samsung phone if forgot your password using Android Device Manager.

• Step 1. Start by logging in to Android Device Manager by entering the credentials of your respective Google Account that is configured with your phone.

• Step 2. Select your device’s icon to get access to various features like ring, lock, erase, and more. Out of all the provided options, click on “lock” to change the security lock of your device.

• Step 3. Now, a new pop-up window will open. Here, provide the new password for your device, confirm it, and click on the “lock” button again to save these changes.

That’s it! Your phone will reset its password, and you would be able to move past any problem related to forgetting the password on the Samsung phone using Android Device Manager unlock .

Solution 3: Unlock the Samsung Phone Using Google Login (only Android 4.4 and below)

If your Samsung device runs on Android 4.4 and previous versions, then you can easily move past the password/pattern lock without any trouble. The provision is not available on devices, which run on newer versions of Android. Nevertheless, for all the Samsung Galaxy A15 4G devices running on older versions than Android 4.4, this is undoubtedly the easiest way to set a new passcode. Follow these steps to learn how to unlock your Samsung phone if you forgot your password using your Google credentials.

• Step 1. Try bypassing the pattern lock at least 5 times. After all the failed attempts, you will get the option to either make an emergency call or choose the option of “Forget pattern”.

• Step 2. Select the “Forget pattern” option and provide the correct credentials of your Google account to unlock your phone.

Solution 4: Unlock the Samsung Phone Using Custom Recovery (SD card needed)

If your phone has a removable SD card, you can also try this technique to disable the pattern/password on your device. Though, you need to have some custom recovery installed on your device for this method. You can always go for TWRP (Team Win Recovery Project) and flash it on your device.

TWRP: https://twrp.me/

Also, since you can’t move anything to your device when it is locked, you need to do the same using its SD card. After ensuring that you have met all the basic prerequisites, follow these steps and learn how to unlock the Samsung phone’s forgotten password using a custom recovery.

• Step 1. Download a Pattern Password Disable application and save its ZIP file on your computer. Now, insert your SD card into your system and move the recently downloaded file to it.

• Step 2. Reboot your phone into recovery mode. For instance, the TWRP recovery mode can be turned on by simultaneously pressing the Power, Home, and Volume Up button. You would get different options on your screen after entering the custom recovery mode. Tap on “Install” and browse the Pattern Password Disable application file.

• Step 3. Install the above-mentioned application and wait for a few minutes. Afterward, restart your Samsung phone. Ideally, your phone will be restarted without any lock screen. If you get a lock screen, you can bypass it by entering any random digits.

Solution 5: Factory Reset Samsung Phone in Recovery Mode (erases all phone data)

If none of the above-mentioned alternatives work, then you can also try to factory reset your device. This will erase every kind of data from your device and make it look brand new by resetting it. Though, you can easily resolve the forgot password on the Samsung phone with it. Therefore, before proceeding, you need to be familiar with all the repercussions of performing a factory reset. All you got to do is follow these steps.

• Step 1. Put your Samsung phone on its recovery mode with correct key combinations. To do this, firstly, turn your device off and let it rest for a few seconds. Now, press the Power and Volume Down key at the same time. Keep pressing them until you see LG’s logo on the screen. Release the buttons for a few seconds and press them again at the same time. Again, keep pressing the buttons until you see the recovery mode menu. This technique works with most Samsung devices, but it can differ slightly from one model to another.

• Step 2. Choose “Wipe Data/Factory Reset.” You can use the Volume up and down key to navigate the options and the power/home key to select anything. Use these keys and select the “Wipe Data/Factory Reset” option. You might get another pop-up asking to delete all user data. Just agree it reset your device. Sit back and relax as your device will perform a hard reset.

• Step 3. Select the “Reboot system now” option to restart it. Your phone will be restarted without any lock screen.

After following these steps, you can easily overcome how to unlock the Samsung phone forgot password issue.

Solution 6: Unlock Samsung Phone Using ADB Command (need USB debugging enabled)

This might be a little complicated initially, but if you don’t want to follow either of the above-mentioned techniques to unlock your device, you can go with this alternative. Before proceeding, make sure that you have ADB (Android Debug Bridge) installed on your computer. If you don’t have it, then you can download Android SDK right here .

Additionally, it would help if you turned on the USB Debugging feature on your phone before you forgot the password. If USB debugging is not turned on before, then this method will not work for you.

After making your device ready and downloading all the essential software on your computer, follow these steps to learn how to unlock your Samsung phone if you forgot the password.

• Step 1. Connect your device to the computer with a USB cable and open the command prompt when it is successfully connected. If you get a pop-up message regarding USB Debugging permission on your device, simply agree to it and continue.

• Step 2. Now, please provide the following code on the command prompt and reboot your device when it is processed. If you want, you can also tweak the code a little and provide a new lock pin.

• ADB shell

• cd /data/data/com.android.providers.settings/databases

• _sqlite3 settings._db

• update system set value=0 where name=’lock_pattern_autolock’;

• update system set value=0 where name=’lockscreen.lockedoutpermanently’;

• .quit

• Step 3. If the above code doesn’t work, try providing the code “ADB _shell rm /data/system/gesture. the key_” to it and follow the same drill.

• Step 4. After restarting your device, if you still get a lock screen, then give a random password to bypass it.

Conclusion

You can choose a preferred option and rectify the issue whenever you forgot the password on the Samsung phone . Make sure that you meet all the requirements and go through the respective tutorial to attain fruitful results.