How to Unlock Meizu 21 Phone without Any Data Loss

In today’s digital age, our Android phones serve as the primary hub of our lives, holding a treasure trove of personal and professional data. Yet, the frustration of being locked out due to forgotten passwords or malfunctioning security features can be overwhelming, compounded by the fear of data loss during the recovery process. However, there’s a beacon of hope - a way to unlock your Android phone without any data loss. In this comprehensive guide, we will explore the latest techniques, tools, and methods to regain access to your Android device safely without a password, PIN, or fingerprint. Let’s dive into it now.

Part 1. How to Unlock Meizu 21 Phone with Dr.Fone - Screen Unlock (Android)

If you or someone accidentally forgot or mistyped/misentered your lock password and caused it to lock permanently, of course, you will find ways to unlock it at first. But if you are not connected to the internet, or did not register a Google account for your device, your last resort would be to factory reset your device. That will totally wipe everything you have and save it on your device. If you want to unlock your lock screen without having to worry that your device data will be erased, Dr.Fone - Screen Unlock (Android) is your phone unlocking software .

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Note: This tool temporarily support unlocking part of Samsung and LG locked screen without losing data, but other Android phone will be wiped all data if you try to unlock the screen with Dr.Fone - Screen Unlock (Android).

Dr.Fone - Screen Unlock (Android)

Remove 4 Types of Android Screen Lock without Data Loss

• It can remove 4 screen lock types - pattern, PIN, password & fingerprints.
• Only remove the lock screen. No data loss at all.
• No tech knowledge asked. Everybody can handle it.
• Work for Samsung Galaxy S/Note/Tab series and LG G2/G3/G4.

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Steps on How to Unlock an Android Phone with Dr.Fone - Screen Unlock (Android)

Step 1. Connect your Android phone to your PC with Dr.Fone installed, then run the program.

Step 2. Then, you should see the “Screen Unlock” tool, so proceed into it. After that,  click “Android” > “Unlock Android Screen.”

Step 3. Then choose “Remove without Data loss” to unlock part Samsung/LG devices without data loss and find your device model.

Step 4. Follow the instructions on the program to get the Android phone into “Download Mode.”

• 1. Power off the phone.
• 2. Press and hold volume down + home button + power button at the same time.
• 3. Press the volume up to enter download mode.

Step 5. The loading process will take you a few minutes because it is going to verify first your device’s compatibility.

Step 6. Wait until everything is done. You should then see your device already has no lock screen.

That’s how to unlock an Android phone with just one click using Wondershare’s Dr.Fone. If your device is not Samsung or LG, you can use a more advanced mode to unlock your phone .

## Part 2. How to Unlock Android Phone with Aroma File Manager (with Data Loss)/h2>

If you weren’t able to open your Wi-Fi or data connection or enable USB Debugging, this is the way for you to unlock your lock screen. This could be a bit complicated, but it should work.

Steps are provided below, and please follow the step-by-step guide carefully to avoid a boot loop or any other damage.

Step 1. Download Aroma File Manager on your PC. This is a tool that unlocks Android phones. Android users can use it for free.

Step 2. Go to your Downloads folders and copy the downloaded zip file.

Step 3. Plug into your PC a memory card that you can insert into your phone later. Then, go to your list of connected devices and select the memory card.

Step 4. Paste the copied Aroma zip file. Once copied, eject it from your PC, then insert it into your Android device.

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Step 5. Enter Recovery Mode for your device. Each Android device has its own ways of entering recovery mode, so take a look at this link and find your device.

Step 6. When you are already in Android Recovery Mode, use your volume keys to navigate to ‘’apply update from external storage’’, then select the zip file you copied a while ago. It will be flashed on your device.

Step 7. After it, restart, and recovery mode will reopen as Aroma File Manager, so go to its settings and select ‘’Automount all devices on start’’, then restart. Back in Aroma File Manager, go to the directory data>system. Check if the ff. exist. If they do, delete them. Then restart again.

• gesture.key (pattern) / password.key (password)
• locksettings.db
• locksettings.db-shm
• locksettings.db-wal
• signature.key
• sparepassword.key

Now you have your device booted up, and your Android lock screen is still locked, just gesture in or enter anything. It will be unlocked. And that’s how to unlock an Android phone using your device.

Part 3. How to Unlock Android Phone Using Minimal ADB and Fastboot (with Data Loss)

If you weren’t able to connect to the Internet, but you, fortunately, enabled your USB Debugging option before your device was locked, the ARONSDB tool from the Android SDK package can help you unlock your Android phone.

Here is the step-by-step guide for you to follow

Step 1. Go to Minimal ADB and Fastboot download page.

Step 2. Download the tool’s latest version.

Step 3. Open the downloaded Minimal ADB and Fastbootzip file and install it.

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Step 4. Make sure your device is connected, then go to the Minimal ADB and Fastboot installation directory.

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Step 5. Inside the folder, hold the Shift key on your keyboard, then right-click your mouse. An additional “Open command window here” will appear so select that.

Step 6. ADB terminal will pop out. Now, the first is to type in ADB devices. This is to check if your device is recognized by ADB. If there is no device listed below, try to remove and reconnect your Meizu 21 and retype the command. If there are listed devices already, proceed.

Step 7. Finally, type in the following commands one by one. These commands will remove your lock screen.

• 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

This would work if you have your USB debugging turned on before it was locked. That’s how to unlock Android using ADB.

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Part 4: How to Unlock Phone via Find My Device (with Data Loss)

Google Find My Device is another handy way to unlock your locked Android device. However, it requires you to have your Google ID credentials and you have previously enabled Find My Device features. Moreover, it will erase all the data on your device. Use the following steps to unlock your Android phone via Find My Device:

Step 1: Open a web browser on a computer or another device and visit the Find My Device website. Now, sign in with the Google account that is linked to the locked Android device.

Step 2: After signing in, you will see a list of devices associated with your Google account on the left side of the screen. Select the locked Android device from the list and choose the “Erase Device” option from the menu on the left-hand side.

Step 3: You will now be asked to confirm your identity through a Google account password or using a pass-key. Afterward, follow the on-screen instructions to erase and unlock your Android device.

Part 5: How to Unlock Android Phone without Losing Data in Safe Mode

One way to unlock your Android phone without losing the data is by utilizing Safe Mode. This method works only if the screen lock you have been using is a third-party app. Since Safe Mode disables third-party apps, you can easily use it to uninstall the problematic app. Here is how to unlock an Android phone without losing data:

Step 1: On your Android device, press and hold “Power” and “Volume Down” keys together for 3 seconds. After the Power menu becomes visible, press and hold the “Power off” option.

Step 2: After a while, you will see the “Safe Mode” option on your screen with some basic instructions. Now, you can use the button to boot into Safe Mode and remove the screen lock application.

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Part 6. How to Unlock Android Phone without Any Data Loss Using Google Account (Android 4.4 or lower)

If luckily, you left your Wi-Fi open and luckily connected to the internet, this is the easiest way to unlock your Android phone.

The step-by-step guide for you to refer

Step 1: Retry the incorrect password or pattern until the ‘’Forgotten Password/Pattern’’ appears below. Then select that.

Step 2: Check ‘’Enter your Google Account details’’ then tap next.

Step 3: Input your Google Account details, username, and password. You are done.

You will be given the option to input a new password or pattern right after you enter your Google account details. But if not, Google must have emailed you your temporary password or pattern that you will input to unlock your lock screen.

How To Remove or Bypass Knox Enrollment Service On Meizu 21

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.

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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 Meizu 21 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.

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What It Does

The service allows IT administrators to pre-configure settings and apps and manage other aspects of the Meizu 21 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 Meizu 21 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.

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Part 2: How To Remove Knox Enrollment Service on Your Meizu 21

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 Meizu 21 device in question and click Actions.
• Step 4: Choose the Clear Profile option to remove all profiles from the Meizu 21 device. This action will disassociate the Meizu 21 device from any existing Knox configurations.

After removing the Meizu 21 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 Meizu 21 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 Meizu 21 device and flashing a new ROM. This process involves gaining root access to the Meizu 21 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)

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

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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.

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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.

Top 10 Fingerprint Lock Apps to Lock Your Meizu 21 Phone

In the last few years, we have seen the launch of numerous Android phones with an inbuilt fingerprint scanner. This provides added security to the Meizu 21 device and should definitely be utilized by the user. To make the most of this amazing feature, you can find many fingerprint lock app options listed on Google Play Store. Since there are so many options for a fingerprint app, it might become tedious to pick the best finger lock app for your device. Don’t worry – we are here to help you. This guide will make you familiar with the ten best fingerprint screen lock app options out there.

Let’s start our listicle by exploring some of the best fingerprint scanner lock app options available on the Google Play Store.

1. Fingerprint Pattern App Lock

The Fingerprint Pattern App Lock app will be an ideal solution to safeguard your privacy. Besides locking your mobile screen with fingerprint, pattern, and pin code, it can also lock Facebook Messenger, Snapchat, Instagram, Whatapps, Chrome, or any other apps!

• Full customization
• It doesn’t require the rooting of the Meizu 21 device
• Can lock settings, calls, browser, play store, and more
• Freely available with no ads
• Supports Android 4.1 and up

Rating: 4.2

Download Link: Fingerprint Pattern App Lock

2. AppLock: Fingerprint & PIN

From social media apps to your gallery, this finger lock app can protect almost everything on your device. It comes with tons of features like app time-out, fake crash screen, the inclusion of PIN, and more. All of this can be customized from its settings as well.

• It can capture the picture of the intruder
• Provides a fake crash screen to hide that the app that has been locked
• Different themes for the lock screen
• It has an improved lock screen engine
• Contains in-app ads
• Supports Android 4.0.3 and later versions

Rating: 4.0

Download Link: AppLock: Fingerprint & PIN

3. FingerSecurity

As the name suggests, this fingerprint screen lock app can help you attain complete security on your device with your fingerprint. Besides all the popular apps, you can even lock widgets and settings with it. It can also capture the picture of the intruder, letting you know if your device has been tampered with.

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• You can set a fake crash screen for the protected apps
• It can protect notifications from the selective apps as well
• Users can unlock multiple apps at once
• Can set alternative PINs if the fingerprint is not recognized
• Supports Android 4.3 and up

Rating: 4.2

Download Link: FingerSecurity

4. App Lock - Real Fingerprint Protection

If you are looking for a lightweight and secure fingerprint lock app, you can give this option by Kohinoor Apps a try. It can lock any app of your choice and protect your settings as well.  In this way, you can keep intruders away and level up the security on your device.

• It can include PIN and password protection with your fingerprint
• The app sends immediate alerts with an intruder selfie support
• It can also lock system apps, settings, browser, gallery, and more
• Contains in-app purchases and ads
• Supports Android 4.1 and later versions

Rating: 4.2

Download Link: App Lock - Real Fingerprint Protection

5. SpSoft Fingerprint AppLocker

Halt your quest for a complete fingerprint app right here. One of the best finger lock app options out there, it comes with tons of features that will fulfill your security needs. Besides locking all the major apps, settings, and more with your fingerprint, it also has a notification lock and a fake screen feature.

• Lightweight and easy to use
• Supports multiple languages
• It can also be used to reset a lost password
• Contains in-app ads and purchases
• Supports Android 2.3 and later versions

Rating: 4.4

Download Link: SpSoft Fingerprint AppLocker

6. AppLock by DoMobile Lab

One of the best fingerprint app lockers, it is already used by more than 100 million users worldwide. Even though it locks apps via passwords and PINs, it also provides dedicated support for the fingerprint scanner and locking mechanism. It provides full customization support with the availability of various themes.

• Random keyboard with an invisible pattern lock
• It has an inbuilt power-saving mode
• Users can customize profiles for each app
• The app supports all the major languages
• Compatible with all the leading Android versions (including Android 8.0)
• Contains in-app purchases

Rating: 4.4

Download Link: AppLock by DoMobile Lab

7. LOCKit

LOCKit is a complete security app that can help you protect your photos, apps, notifications, and more. It also comes with a photo and video vault to protect your media files. You can fool any intruder with a fake crash screen and capture their photo as well.

• Full customization of fingerprint lock with PIN and password
• Multiple language support
• Can lock incoming calls and customize the notification bar
• Photo and video vault
• Requires Android 2.2 and later versions

Rating: 4.6

Download Link: LOCKit

8. Fingerprint Locker

The fingerprint lock app is compatible with all the Meizu 21 devices running on Android Marshmallow and later versions. It is a lightweight app that utilizes a minimum battery. It might not have all the advanced features, but it certainly provides a basic solution to lock apps with your fingerprint.

• Can lock all the popular apps with your fingerprint
• Lightweight and fast
• Freely available with no ads
• Runs on Android 4.2 and later versions

Rating: 3.6

Download Link: Fingerprint Locker

Pro Tips: Unlock Your Android Phones When You Forgot the Fingerprint

Setting a fingerprint lock or PIN, password, pattern, or even FRP lock on an Android phone is a common way to prevent our important data or private info from being prying eyes. However, if you forgot the fingerprint, or get your Android phone broken with a screen cracked, and enter the wrong password several times, you will be stuck on the problem and won’t be able to access your phone and all the apps on the Meizu 21 device. Don’t be too worried. Dr.Fone - Screen Unlock (Android) provides you with an Android phone unlocking feature to unlock any phone fingerprint and any screen locks, including numeric password, pattern, 4-digit/6-digit/custom PIN, fingerprint ID, face recognition, etc.

Dr.Fone - Screen Unlock (Android)

Get into Fingerprint Locked Android Phones within Minutes

• 4 screen lock types are available: pattern, PIN, password & fingerprints.
• Easily remove the lock screen; No need to root your device.
• Everybody can handle it without any technical background.
• Provide specific removal solutions to promise good success rate

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Conclusion

When you know about all the popular options for the fingerprint screen lock app, you can simply choose an ideal choice. Go ahead and download the fingerprint lock app of your choice and provide an added layer of security to your device. Out of all the listed options for the fingerprint app, which one is your favorite? Let us know about it in the comments.