Mastering Lock Screen Settings: How to Enable and Disable on Vivo Y02T

In the modern world, the use of smartphones has become such a common trend that everyone would feel abnormal if they don’t have a smartphone of their own. So big the demand is that all IT companies are trying their best to introduce as well as innovate several excellent brands of smartphones. To support the function of smartphones, by far there have been numerous operating systems existed. Among them, Android is one of the most popular as well as trustworthy OS.

Just like any other smartphone, all Android devices have their ways to protect the data stored inside a smartphone from being corrupted or leaked. One of the simplest and most easy-to-use ways is to make use of the lock screen.

The lock screen has proved to be a traditional yet efficient way to help you protect your Android phones. In this article, we will provide you with an informative piece of writing about everything you need to know when it comes to the Android lock screen, and ways to enable and disable it.

If you have spent time searching and looking for features of your Android devices, you will find the process of enabling a lock screen is a piece of cake.

· Step 1: On the main screen of your Android devices, tap on the gear icon - which is the icon representing the Settings menu. Once you have chosen it, you will see a drop-down menu on the screen. In the options provided, tap on the Security bar.

· Step 2: Under the tab whose heading is entitled Screen Security, tap on the first bar in the list called Screen lock.

· Step 3: Once the step is done successfully, Android will give you plenty of choices about ways to lock your Android devices’ screens. Among these ways, select one particular type which you feel is most convenient as well as free-risk. After that, type in your PIN code to confirm the choice and finally activate your lock screen feature as you wish.

Part 2: How to Disable Android Lock Screen

To certain customers, the lock screen can do more harm than good, and they would prefer to disable the screen lock on their Android devices. This process is also an easy one to follow, as long as you still hold good memory of the security code.

· Step 1: On the main screen of your Android devices, tap on the gear icon. It will directly lead you to the Settings menu of the phone. After that, a drop-down menu will appear with several choices and bars. Among them, tap on the Security option to begin your work.

· Step 2: Under the heading called Screen Security heading, you will be shown 3 choices. Tap on the first one, which is entitled Screen lock.

· Step 3: Once you have done the previous step, a brand new screen will appear and then you will be asked to fill in your PIN code. This is a step that helps guarantee that you are the true owner of the Android device.

Step 4: As soon as you have confirmed the right PIN code in the bar provided, you will then be presented to the next drop-down menu. A similar screen will appear which shows you plenty of choices. Tap on the top of that list, which is a bar called None.

Step 5: In the end, you have successfully disabled the screen lock on your Android devices. You are now capable of using it without any hesitation about the screen lock.

Part 3: Common Problems of Disabling Lock Screen

The process to disable the screen lock on Android may seem easy to handle as well as straightforward to several customers, but there are still some annoying problems that users have to deal with while trying to disable the lock screen.

What are the top 2 common problems?

Below are the two most common problems faced by Android users during their efforts to disable the feature of screen lock.

1. In the Screen Security choice, the None bar can not be chosen.

Description of the problem: There is a sentence below it stated: “Disabled by administrators, encryption policy or credential storage”. All the space of the None option is in white and grey.

The solution to this problem is quite simple. Once you have made sure you are suffering from this nasty one, try to follow these below pieces of advice to see if it is capable of giving you a hand.

Step 1: Open the Settings menu from the main screen. Then tap on the Credential Storage. You will see a drop-down menu like the screenshot below.

Step 2: Continue to tap on the Clear Credentials (Remove all certificates) option. Then next click on the OK button. Wait for some seconds until your Android device has finished the process.

Step 3: To make sure that the previous step has been performed successfully, try looking at the bottom of the drop-down menu. If the Clear Credentials (Remove all certificates) are grey out and can not be selected, then you have managed to do it.

Step 4: Now that the problem is solved, you can feel free to turn back to your Screen lock option in the beginning and disable the feature of locking screen Android as usual.

2. You have mistakenly encrypted your SD card. You want to disable the encryption, only to realize that it requires you to set a new screen lock code. But when you come to the Screen lock menu, all the options but Password have been greyed out.

This is pretty weird, but actually, it is one of the most common troubles that many users have complained about. But to your surprise, the solution is very simple and easy. All you have to do is to reset your password, but with a little change. Your password MUST include at least ONE NUMBER in it. Confirm your new password then you will be able to disable the lock screen Android as usual.

Bonus Tip: Remove Android Screen Lock If Forgotten Password/Pattern

As much as the lock screen can protect the personal information on the phone, it can also cause much trouble if you forget the lock screen password or enter the wrong password too many times. So here comes the need for phone unlocking software . One of the best is Dr.Fone - Screen Unlock (Android), which can help us bypass forgotten Android screen locks without any data loss（limited to Samsung and LG series phones）. Other Android brand phones will be wiped out all the data once starting to unlock with Dr.Fone

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.
• One-time payment for unlimited use of multiple devices within a specified time period.
• Work for Samsung Galaxy S/Note/Tab series, LG G2/G3/G4, etc.
• Besides, unlocking the screen lock, it also works best to unlock the Samsung FRP lock in devices with Android 5.0 and higher.

3981454 people have downloaded it

Steps on How to Unlock Forgotten Password in Android Phones

Step 1: Launch Dr.Fone and click on Screen Unlock from the primary window.

Step 2: Connect your Android device to the computer via USB cable. The program will recognize the phone directly. Select the phone model or “I can’t find my device model from the list above” to continue.

Step 3: Follow the instruction on the program exactly to set the phone to Download Mode. First, you will need to Power off your Phone. Secondly, Press on Volume Down, Home button, and Power button simultaneously. Thirdly press the Volume up button to navigate until the phone enters Download mode.

Step 4: After you set the phone to Download mode, it will begin to download the recovery package. When the recovery package is downloaded successfully, the lock screen on your Vivo Y02T devicewill be removed. You won’t lose any data during the whole process.

How to Unlock Vivo Y02T 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 Vivo Y02T 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 .

safe & secure

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.

4,464,578 people have downloaded it

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.

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.

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

This PC [Win 8& 10] or My computer [Windows 7 & below]> Local Disk (C:) [primary drive]> Program Files [for 32-bit] or Program Files (x86) [for 64-bit] > Minimal ADB and Fasboot.

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 Vivo Y02T 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.

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.

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.

Remove the Lock Screen Fingerprint Of Your Vivo Y02T

Users of Android phones can benefit from data and file protection tools like passwords, patterns, and PINs. But there are also some significant disadvantages, for example:

• Someone may have repeatedly entered the wrong password to access your phone.
• You may have forgotten the PIN on your device, pattern, or PIN.
• The lock screen fingerprint can also malfunction if there are repeated tries from an unauthorized finger.

If you use a wrong password or a fingerprint unlock, it can permanently lock your Android device.

We can use many practical methods to remove the Android phone lock screen fingerprint. For example:

According to you, the most typical or initial option must be factory reset. However, when you try the factory reset method, you will lose all data on your phone. So, can you unlock an Android phone without a factory reset? Yes, we will tell you how to unlock your phone without fingerprint and resetting your Android phone.

Follow these methods to bypass the fingerprint lock without resetting the phone. It will save you from losing your data. All our methods are very easy and safe.

Useful Methods to Bypass Fingerprint Lock

1. Restart your Phone

If your fingerprint is not working or the Vivo Y02T device prompts you with an error in the fingerprint functioning, possibly the fingerprint reader is not responding, and the Vivo Y02T device needs to restart to get rid of this error.

When a device restarts, the fingerprint functionality is restored after entering the Vivo Y02T device pattern, password, or PIN. This is the simplest method to reset your fingerprint hardware.

2. Remove your phone battery

Old android phones have removable batteries. If you can remove your phone battery, remove it and then put it back. Now turn on your phone. Doing so can help solve the fingerprint lock issue if there are bugs or system errors.

3. Dr.Fone - Screen Unlock

On Android handsets, you can attempt Dr.Fone to remove the fingerprint without professional skills. It allows you to delete the password, PIN, pattern, and fingerprint from an Android phone.

Step 1: Connect your Android device.

Open Dr.Fone on your PC, then among all the tools, choose “Screen Unlock.”

Step 2: Select a device type.

We are in this part to provide you with two ways to unlock practically any Android handset, including those made by Samsung, Huawei, OPPO, Vivo, Lenovo, LG, and others. It’s crucial to choose the right device brand to unlock the lock because the recovery modes for various phone models vary. The list contains every supported device model.

Here you will have some brands to choose from, don’t make it wrong.

Step 3: Put your device into Recovery Mode.

You will learn how to put your device into Recovery Mode; it’s important to do as instructions, although this part may look a little strange. And there are 3 different Samsung Recovery Modes as examples.

(Get into Recovery Mode in Samsung phone with Bixby)

(Get into Recovery Mode in Samsung phone without Bixby)

(Get into Recovery Mode in Samsung phone with the Home button)

Step 4: Instructions to Wipe Cache Partition

In this part, it is the final but crucial step to unlock your device; if you click any wrong button, your phone may not work anymore.

OK, you already passed the unlock process; locks like pattern, password, or fingerprint disappear!

4. Hard Reset your Device

Users of Android smartphones and tablets can troubleshoot various issues with their devices using a feature known as Android Recovery Mode. For example, it might be helpful if you discover that your device is functioning strangely. Recovery Mode Android technically refers to a unique bootable partition with a recovery application installed inside it.

However, users can also use it to reset the android password if it is forgotten. This password also includes fingerprint locks. The instructions for resetting android devices through recovery mode differ for every android device.

5. Google Find My Device

As you are likely aware, every Android device is connected to a Google account. As a result, if you’d like, you may also use it to unlock Android. You’ll need to know your Google account login information for this. When you’re ready, use these instructions to find out how to unlock a phone password.

1. Login using your Google credentials by going to the official Google Find My Device website.
2. You will see the gadgets connected to your Google account as you enter the interface and a map of where they are.
3. To wipe the Vivo Y02T device, click the ERASE DEVICE option on the left side panel. You will then be required for your password.
4. Once more, select “Erase.” This will reset the Vivo Y02T device and get rid of the dysfunctional fingerprint lock.

6. Seek Help from Local Dealers

It might be a complicated case if you cannot reset your lock screen fingerprint through the methods described above. In this situation, you need to visit your nearest mobile technician, who can help you restore your device.

Why does not Fingerprint Work

1. Fingerprint Hardware Module Problems

The fingerprint module should be clean, just like a clean finger is. Unfortunately, the module would collect liquid from your fingers, especially if you had used a moisturizer earlier, making it difficult for the sensor to read your fingers accurately.

Please inspect the fingerprint module for any fluids or debris and clean it with a dry cloth to resolve this. If the dirt is on the module, clean it with wipes or a moist cloth wet with water.

2. Software Update

Another software-related issue that may occur because “ fingerprint sensor not working” issue is a software defect. Try checking if you have a pending update on your device and install it. Moreover, if the problem started after a system update, you may wait for a new update to fix the problem or go back to the previous update.

To install an update, open the Settings app, tap on ‘System,’ pick ‘System Update,’ and download and install any pending update.

3. Clean your Screen

If you have a device with under-display fingerprint scanner, you might need to clean the screen properly before using the fingerprint. In some cases, screen protectors also interfere with fingerprint functioning.

Conclusion

Any method can solve the problems of using your device with your Android handset. The best thing about these solutions is that you don’t need difficult professional skills to complete the tasks. Dr.Fone-Screen Unlock is the easiest way to help your device if you have a password or fingerprint problem.