How to Bypass Android Lock Screen Using Emergency Call On Tecno Spark 20C?

The main reason why we keep our smartphone locked is to prevent children (or stalkers) checking out our private photos or messages. You don’t want anyone to access your pictures, emails, or other important data. What if you forget your pattern or PIN and cannot access your phone? Or someone changes lock screen pattern to leave you annoyed?

To avoid such types of conditions, we have tried and tested the following methods to bypass the Tecno lock screen pattern, PIN, password, and fingerprint.

Method 1. Use ‘Find My Mobile’ feature on Tecno Phone

All Tecno devices come with the “Find My Mobile” feature. To bypass the Tecno lock screen pattern, PIN, password, and fingerprint, you can just follow the below steps to get it done.

• Step 1. First, set up your Tecno account and log in.
• Step 2. Click the “Lock My Screen” button.
• Step 3. Enter a new PIN in the first field
• Step 4. Click the “Lock” button at the bottom
• Step 5. Within a few minutes, it will change the lock screen password to the PIN so that you can unlock your device.

Method 2. Use Android Device Manager to Bypass Tecno Password

To know how to unlock a Tecno phone lock password with Android device manager, make sure the Android Device Manager is enabled on your device.

• Step 1. Visit google.com/android/devicemanager on other smartphones or PC.
• Step 2. Log into your Google account that you used on your locked device.
• Step 3. Choose the Tecno Spark 20C device you want to unlock in ADM interface
• Step 4. Click on the “Lock” option.
• Step 5. Enter a password. There is no need to enter any recovery message. Select “Lock” again.
• Step 6. You would see a confirmation below if it is successful, with “Ring, Lock and Erase” buttons.
• Step 7. Now you must get the password field on your phone where you can enter your new password, and your phone will be unlocked.
• Step 8. Go to lock screen settings on your device and disable the temporary password.

Method 3. Google Login (Supports Only Android 4.4 or Lower)

If your device is still running on Android 4.4 or lower, here’s how to bypass the Tecno lock screen fast.

• Step 1. Enter the wrong pattern for five times
• Step 2. Choose “Forgot Pattern”
• Step 3. Enter your Google account login or backup PIN
• Step 4. Now your phone would be unlocked.

Method 4. ‘Pattern Password Disable’ and Custom Recovery (SD Card needed)

To bypass the Tecno lock screen in this method, you ought to be an advanced user who knows what are “custom recovery” and “rooting”. You have to install any kind of customer recovery, and you should have an SD card on your phone. SD card is required to move a ZIP file to the phone, and it is the only way to transfer the file when the Tecno Spark 20C device is locked.

• Step 1. Download a zip file named “Pattern Password Disable” on your computer and move it to the SD card of your Tecno device.
• Step 2. Insert the card on your device
• Step 3. Restart your device into recovery mode.
• Step 4. Flash the file on your card and restart the phone.
• Step 5. Now your phone would boot up without lock screen. Don’t worry if you had a gesture lock or password. All you need to do is to input a random gesture or password, and it will be unlocked.

Method 5. Delete the Password File Using ADB

It is yet another option that will work only when you have enabled USB Debugging previously on your device, and your PC is allowed to connect via ADB. If you meet such requirements, it is ideal to use this method to unlock the Tecno lock screen.

• Step 1. Connect your device to the PC using USB cable and open command prompt in the adb directory. Type the command “adb shell rm /data/system/gesture.key” and then press “Enter”.
• Step 2. Restart your phone, and a secure lock screen must be gone, and you can access your device. Be sure to set a new PIN, pattern, or password before rebooting again.

Method 6. Factory Reset to Bypass Tecno Lock Screen

A factory reset is the best option in almost any case if one of these solutions couldn’t work. According to your device type, the process may vary. In most devices, you have to turn off the Tecno Spark 20C device completely to start the process. But this method will delete all the precious data on the Tecno Spark 20C device after the factory reset.

• Step 1. Hold the power button and volume down at the same time. It will open the Bootloader menu.
• Step 2. Press the volume down button two times to choose “Recovery Mode” and select it by pressing the “Power” button.
• Step 3. Hold down the power button and tap “Volume Up” once, and you would enter “recovery” mode.
• Step 4. Choose “Wipe Data/Factory Reset” option by using volume buttons.
• Step 5. Select it by pressing the Power button.
• Step 6. Select “Reboot System Now” once the process is done.

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Method 7. Boot into Safe Mode

Chances may be that you are using a third-party lock screen app. Then lucky for you, this way works best to bypass the Tecno lock screen. Specifically, you can boot your Tecno device into Android Safe Mode .

• Step 1. Open up the Power menu from the lock screen and press and hold the “Power Off” option.
• Step 2. It will ask if you want to boot in safe mode. Tap “OK”
• Step 3. Once the process finishes, it will temporarily disable the lock screen activated by the third-party app.
• Step 4. Uninstall the third-party lock screen or just reset the data.
• Step 5. Reboot your device and get out of safe mode.
• Step 6. Now the irritating lock screen app is removed completely.

Method 8. Other Methods

• Step 1. Take your friend’s phone to call on your locked phone.
• Step 2. Accept the call and press the back button without disconnecting.
• Step 3. Now you can access the Tecno Spark 20C device completely
• Step 4. Go to the security settings of the Tecno Spark 20C device and remove the pattern or pin.
• Step 5. It will ask you the correct pin that you don’t know, guess, and try various combinations you can recall.

To avoid forgetting your password or PIN next time, be sure to write the pattern or numbers on a text file or paper to keep them safe. If you have to bypass the Tecno lock screen pattern, PIN, password, and fingerprint, you may consider using Dr.Fone - Screen Unlock (Android). It is a professional tool that can remove all the fingerprints, pattern, and password lock screens without losing any data on your phone.

Top 12 Prominent Tecno Spark 20C Fingerprint Not Working Solutions

Part 1. Optimal Solution: Unlock With Wondershare Dr.Fone Directly

Facing a malfunctioning fingerprint on your Tecno Spark 20C can be frustrating. In this scenario, the most effective resolution is the removal of the registered fingerprint. Yet, traditional methods of removing the fingerprint can be difficult and pose security risks. In this case, going for tools like Wondershare Dr.Fone is the best choice. This tool ensures your Pixel device is at no risk.

Dr.Fone offers a swift solution to remove the Android lock screen in five minutes. It effectively removes 4 types of screen locks. These include patterns, PINs, passwords, and fingerprints. Dr.Fone can bypass the Android FRP lock without needing a PIN or Google account. It ensures accessibility to the Android device without such credentials.

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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Prominent Features of Wondershare Dr.Fone

1. FRP bypass is enabled for brands like Samsung, Xiaomi, Redmi, Oppo, Realme , and Vivo.
2. With Dr.Fone, bypassing screen locks can be achieved without data loss.
3. Fone supports 2000+ Android phones and tablets from over 18 brands for screen unlocking.

Step-by-Step Guide To Remove Fingerprint Type Lock on Google Pixel Using Dr.Fone

With Dr.Fone, you can resolve the Tecno Spark 20C fingerprint sensor not working issue within minutes. Below is a detailed walkthrough for removing a fingerprint lock on a Google Pixel:

• Step 1: Connecting and Accessing Screen Unlock Feature on Dr.Fone

Open Wondershare Dr.Fone and connect your Android device via a USB cable. Once the connection is established, navigate to the “Toolbox” tab and choose “Screen Unlock.” Upon reaching the new screen, choose the “Android” option. Then, select “Unlock Android Screen” from the options on the following screen.

• Step 2: Selecting Google As the Tecno Spark 20C device Brand and Activating Recovery Mode

Afterward, you’ll be guided to a subsequent screen prompting you to choose the Tecno Spark 20C device brand, Google. Once you select the brand, you’ll be directed to enter a specific mode corresponding to it. For Google Pixel Devices, the specific mode to enter is Recovery Mode. Simply follow the on-screen instructions to activate Recovery Mode on your device.

• Step 3: Initiate the Fingerprint Removal Process

After entering Recovery Mode, the screen unlocking procedure will initiate automatically. Please wait for the fingerprint removal process to finish. In case of failure, select “Try Again” to attempt unlocking again. Upon successfully unlocking your Android device’s screen, tap “Done.”

Part 2. 11 Conventional Solutions To Resolve Pixel Fingerprint Not Working

The solution above using Wondershare Dr.Fone is an effective and comprehensive method. It can tackle fingerprint recognition issues, but sometimes, users may look for simpler alternatives. We will explore conventional solutions that can address Pixel fingerprint problems. Each solution will also explain the underlying reasons for the Pixel 6 fingerprint sensor issue.

1. Fingerprint Sensor Not Touched Firmly

Problem

If the fingerprint sensor fails to recognize your fingerprint, it might be due to inadequate pressure. This could also be due to improper finger placement on the sensor.

Solution: Firm Placement

Ensure you firmly place your finger on the sensor, covering it entirely. Avoid too much pressure, but make sure the sensor fully contacts your fingerprint.

2. Device Showing Glitches

Problem

Glitches or software bugs in your Pixel device may cause disruptions. This can include issues with the fingerprint sensor’s functionality. These problems can range from minor issues to severe software glitches.

Solution: Restart Your Pixel Device

One of the easiest and simplest solutions is to restart your Pixel phone. You can do that by pressing the “Power” and the “Volume Up” keys. It will lead to a pop-up power menu where you must choose “Restart” to reboot your device.

3. Outdated Firmware

Problem

An outdated operating system or firmware can lead to compatibility issues. This can lead to malfunctioning features like the Pixel 6A fingerprint sensor not working.

Solution: Check for Updates

The best way to resolve this issue is to update your Pixel device. Having an outdated version of Android OS can lead to an accumulation of bugs and glitches. Moreover, it can seriously affect the Tecno Spark 20C device’s performance, causing many issues. Here is how to check and update your Pixel phone:

Instructions. On your Pixel device, access the “Settings” app. Within Settings, scroll down to tap the “System” option. On the following screen, hit the “System update” option to check if any latest update is available. Here, if you see any updates, download and install them promptly. Before initiating the update, ensure your device is connected to a stable Wi-Fi network with sufficient battery charge.

4. Dirty Phone or Sensor

Problem

Accumulated dirt, dust, or residue on the phone or fingerprint sensor can cause obstruction. This can lead to the failure to properly recognize your fingerprint.

Solution

1. Cleaning the Phone

Employ a gentle, dry microfiber cloth for wiping down the complete surface of your Pixel device. Take particular care to thoroughly clean the region surrounding the fingerprint sensor. Refrain from utilizing rough substances or strong chemicals as they could potentially cause harm to the Tecno Spark 20C device.

2. Fingerprint Sensor Cleaning

Gently wipe the fingerprint sensor area using a clean, dry cloth to ensure thorough cleaning. For better results, consider using a dampened cotton swab with water or isopropyl alcohol. Before using it again, ensure the sensor is entirely dry.

3. Compressed Air or Soft Brush

Use compressed air or a soft brush if there’s visible debris or particles around the sensor. Be cautious not to apply excessive pressure that might damage the sensor.

5. Screen Protector: Dirty or Damaged

Problem

A smudged or impaired screen protector might disrupt the working of the fingerprint sensor. This can potentially cause it to fail to recognize your fingerprint.

Solution

1. Clean the Screen Protector

Start by effectively cleaning the screen protector on your Pixel device. For a thorough cleaning, consider utilizing a screen cleaning solution. Ensure that the screen protector is free from any dirt or debris.

2. Replace Damaged Protectors

Is the screen protector visibly damaged, scratched, or peeling off? If yes, consider replacing it with a new one. Damaged protectors can hinder fingerprint recognition and compromise device protection.

3. Check Compatibility

Ensure the screen protector is designed to be compatible with fingerprint sensors. Some protectors may obstruct or interfere with the sensor’s functionality.

4. Remove Air Bubbles

There can be air bubbles trapped under the screen protector. If there are, gently press them out towards the edges using a card designed for this purpose.

6. Clean Your Finger

Problem

The problem may lie with your fingers rather than the Tecno Spark 20C device. Unclean or moist fingers can hinder accurate fingerprint recognition on the sensor, causing the Tecno Spark 20C fingerprint sensor to not work.

Solution

1. Cleanse and Dry Your Hands

Remove any dirt, oil, or moisture that might cause issues with the fingerprint sensor. It’s crucial to wash and thoroughly dry your hands. Additionally, verify that your fingers are entirely dry before engaging the sensor. The reason is any moisture or dampness may cause inaccuracies in fingerprint identification.

2. Avoid Oily or Greasy Substances

Refrain from touching oily or greasy surfaces before using the fingerprint sensor. These substances can transfer onto your fingers, affecting sensor accuracy. If your fingers are dirty or damp, pause to clean them using a dry, clean cloth.

7. Covering Screen if Fingerprint on Screen

Problem

Fingerprint marks or smudges on the screen might disrupt sensor functionality. This leads to inaccurate recognition when you try to unlock your device.

Solution

1. Avoid Covering the Sensor Area

Be cautious while cleaning the screen to avoid covering or smudging the area around the fingerprint sensor. Precise cleaning around this area prevents interference with sensor functionality.

2. Use Proper Holding Technique

While holding the Tecno Spark 20C device, avoid placing your fingers or palms over the fingerprint sensor. Opt for holding the Tecno Spark 20C device to minimize accidental contact with the sensor area.

8. Fingerprint Sensor Not Visible

Problem

Misconfigured settings on your Pixel device can lead to situations where the fingerprint sensor is not visible. It can lead to scenarios where the Tecno Spark 20C device fails to recognize your screen unlocking attempt.

Solution: Adjust the Setting To Consistently Display the Sensor

You must adjust the display settings to ensure the fingerprint sensor is always visible. To do that, you can begin by opening the Settings app. Navigate to the “Display” tab and select “Lock Screen.” On the following window, toggle on “Always show time and info.”

9. Low Touch Sensitivity

Problem

The fingerprint sensor may have low touch sensitivity . It can lead to difficulties in accurately recognizing fingerprints, leading to Tecno Spark 20C fingerprint not working.

Solution

1. Adjust Sensitivity Settings

Accessories like a screen protector might impact the performance of your Pixel device’s touch sensitivity. When using a screen protector, your Pixel enhances touch sensitivity. To do that, navigate to the Settings app and open it. Move to the “Display” window and scroll down to the last option. Toggle on the “Screen protector mode” to increase the screen sensitivity.

2. Finger Re-Enrollment

Delete existing fingerprints and re-register them. This re-enrollment can sometimes improve sensitivity and help remove the issues. Here is how you can delete and re-enroll your fingerprint:

• Step 1. In the Settings app of your Pixel, tap “Security & Privacy.” Then, press “Device Unlock” and choose “Fingerprint Unlock.” The device will now ask you to provide your device PIN or password.

• Step 2. Tap “Fingerprint Unlock” on the following screen and delete the previously enrolled fingerprints. Then, press “Add fingerprint” and follow the on-screen prompts to complete the process.

10. Other Hardware Issues

Problem

Persistent fingerprint sensor problems might indicate underlying hardware issues . This could go beyond common troubleshooting and might require professional help.

Solution

1. Inspect for Physical Damage

Thoroughly examine your Pixel device for any physical damage. These include cracks, dents, or scratches around the fingerprint sensor area. Physical damage could affect the sensor’s functionality.

2. Safe Mode Check

Boot the Tecno Spark 20C device in safe mode to determine if third-party apps are causing conflicts. To do that, press the “Power” key with any volume key to access the power menu. Afterward, long-press the “Power Off” option until the “Reboot to Safe Mode” option appears on your device’s screen. Press “OK” to reboot into Safe Mode and test the fingerprint sensor’s functionality.

3. Professional Assessment

If you suspect hardware issues, seek professional help from authorized service centers. A clear sign of hardware issues can be visible damage or the sensor failing to function even in safe mode.

11. Factory Reset as Last Resort

Problem

Did all other troubleshooting methods fail to resolve persistent fingerprint sensor issues? Then, a factory reset might be required to revert the Tecno Spark 20C device to its original settings.

Solution

1. Backup Data

Before initiating a factory reset, ensure that all crucial data is safeguarded. This encompasses contacts, photos, documents, and any other significant files. Use Google’s backup services or third-party apps to securely back up your data .

2. Initiating Factory Reset

Proceed with the following steps to execute a factory reset on your Pixel device:

• Step 1. On your Pixel smartphone, navigate to Settings and access the “System” tab. Here, scroll down to the bottom and tap “Reset Options.”

• Step 2. In “Reset Options,” choose “Erase All Data (Factory Reset)” to continue. Afterward, select “Erase All Data” on the next screen and follow the instructions to complete the process.

In summary, this article detailed various methods to fix the Tecno Spark 20C fingerprint not working. Diverse approaches were explored, from simple steps like sensor cleaning to advanced solutions like factory resets. However, Dr.Fone stands out among these solutions as a top-tier option. It offers a secure and efficient resolution to the persistent problem of fingerprint failure on the Tecno Spark 20C .

Best Ways on How to Unlock/Bypass/Swipe/Remove Tecno Spark 20C Fingerprint Lock

If you cannot remember your pin, pattern or password to access your Android device, this content will introduce you to the most effective method to handle the fingerprint lock, unlocking, bypassing and swiping in Android based gadgets. Your lock screen appears on your phone immediately after you turn your device on and it is there to save your privacy, data also to make your screen user-friendly and more functional. The additional material that definitely helps you to solve your limited access issue in your Android phone can be viewed here.

The Best Way to Unlock, Bypass, Swipe and Remove Android Fingerprint Lock

Dr.Fone - Screen Unlock (Android) is a highly straightforward, fast and handy phone unlocking software . With that particular application, you will be able to solve the lock screen removal issue in 5 minutes. It is really powerful as it can handle 4 types of screen locks such as password, fingerprints, pin and pattern. All you data will not be touched by the app and you do not have to possess some knowledge in tech field. So far, Dr.Fone - Android Lock Screen Removal is available for Samsung Galaxy S, Note and Tab Series and LG series for unlocking without any data losing.Temporarily, this tool can’t mantain all the data when unlocking the screen from other mobile devices including Onepus, Xiaomi, iPhone. However really soon, the app will be available for the users of other operating systems. Before you purchase it, you are free to try it. You can acquire the app for 49.95 USD. You will be getting advantage using this app as comes with free lifetime update, also you will receive the keycode in minutes. Comments and feedback on Dr.Fone - Android Lock Screen Removal can be viewed here. You definitely will be interested as the app has 5 stars rating and tons of positive feedback.

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, etc.

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Follow these steps to get your lock screen issue solved:

Step 1. Install Dr.Fone, then click “Screen Unlock”.

Step 2. Connect your Android phone and then select the Tecno Spark 20C device mode on the list. If it’s not on the list, select “I can’t find my device model from the list above”.

Step 3. Type the download mode on your Android gadget.

Step 4. Have recovery package downloaded.

Step 5. Remove Android lock screen without losing any data.This process will take some times.

Remove Android Screen Lock

Best 10 Fingerprint Lock Apps for Android Gadgets

The lock screen app is a navigation screen that should be user friendly and allow you to jump quickly to those features that you actively use. For those, who want to make their smartphone screens much more functional and fun, we have prepared a list of best 10 Android Fingerprint Lock Apps and Widgets. The list that will be describing the apps will not be in the form of A Ranking or Top 10. The aim of our list is just to share with you those apps which are really good at handling the functions that we need from our gadgets.

1st - Hi Locker

This fingerprint lock for android devices comes with a 3 modes of lock screen: Classic, iOS and Lollipop. Also, it has a separate screen dedicated to your calendar. Cyanogen Mod Style quick launcher is the main feature of Hi Locker. The secondary characteristics include custom greetings, various fonts, automatic wallpaper changes and additional customizations using an arrow key.

2nd - ICE Unlock Fingerprint Scanner

This app is a real fingerprint lock for Android that features a true biometric lock screen solution. ICE Unlock is powered by ONYX that allows you to take a picture of your fingerprint using your standard phone camera. Now, it supports x86 CPU architectures and MIPS. Additional notable characteristics include auto-capturing and adjustment of ellipse size to achieve optimal focal length of camera among others.

3rd - Finger Scanner

One of many free to download Android Fingerprint Lock app is Finger Scanner. It offers 2 work modes: double protection and single. You can unlock by scanning or pin, also, it features different scanning times. Finger Scanner is highly customizable and you can use background and colors that you prefer. It immediately will turn your screen off whenever you cover the camera lens.

4th - GO Locker - Theme & Wallpaper

The total downloads of Go – Locker Theme & Wallpaper is close to 1.5 million which has made this app number one with close to 4.5 stars rating on googleplay.com. This real fingerprint lock for android allows you to read incoming messages on your screen, user friendly icons will quickly take you to systems and settings and it has a huge amount of unlocking styles such as Android, iPhone and those that you have never imagined. It successfully handles over 8,000 models of various Android powered gadgets.

5th - Locker Master- Do It Yourself (DIY) Lock Screen

Whether you prefer having simple or complex, solid or multi colored lock screens, Locker Master- DIY Lock Screen offers you tons of options to design the lock screen that will match to your desires. Swipe gestures options and passcode patterns are designed like never before. Be informed on incoming messages or missed calls on your lock screen, share your own lock screen style or download from a huge amount of themes which are being shared daily, worldwide. Locker Master- DIY Lock Screen is a free to download fingerprint lock app as many others that we are listing here.

6th – Start

With Start , your lock screen becomes into your Start screen. Right from the lock screen, you will have a quick access to the most of apps that you actively use. You can set the security level, enjoy simple but smart navigation characteristics noticeably faster. It is a real fingerprint lock for Android devices which can be your one-stop lock screen application.

7th – Solo Locker (DIY Locker)

This particular app is considered as the world’s first DIY that can lock your phone using a photo too. It is really smooth in functioning, lite and always ready to put your privacy onto higher level. Password interface is easily customizable and application shortcuts make your smartphone very easy to use. Solo Locker (DIY) Android fingerprint lock must be immediately downloaded by the people who would like to have an app that offers nearly uncountable wallpapers and design settings.

8th – Widget Locker

Out of all the apps that we have listed here, Widget Locker is the one that is not free to download. It will cost you 2, 99 United States Dollars and it has really attractive features such as a control of the mood and layouts of your smartphone. “Your privacy is the app’s number one priority” (that is what the designers of Widget Locker state). Drag and drop options, selectable sliders, Slide to Launch a Camera or Slide to call My Mom options and easy resizing of widgets are some of the really efficient features of this fingerprint lock app for android devices.

9th - M Locker - KKM Marshmallow 6.0

This real fingerprint lock app for android is known to the users as A Top Android 6.0 Lock application with numerous upgraded and developed features such as: a multi-functional lock screen, easy to navigate and simply comprehensive look. M Locker - KKM Marshmallow 6.0 includes a torch on your locker, easy but powerful swiping options, your music can be controlled from the locker and provides the snapshots of intruders who enters the wrong passcode continuously or will be placing his fingerprint for several times to log into your device.

10th - Fireflies Lock Screen

With over 300,000 downloads and the rate of 4.3 stars, Fireflies Lock Screen more than deserves to be downloaded and installed if you own one of those smartphones that comes with a fingerprint reader. In this app, you can change, resize, command and set almost everything the way you wish. Swipe to jump to a particular app or swipe to remove the notifications. Provides highest level of functionality and you have wide variety of options on locking your device or apps/widgets/folders. The most of comments given to this particular app describe it as “Best of its kind” and this characteristic makes it to be a real fingerprint lock for android devices.

The unlock method that was described in the beginning of our content, is the most functional approach to handle a lock screen problem successfully. In Non-Ranking and No-Comparisons form, we have presented you the list of best 10 fingerprint lock apps for Android devices. Each user is different and that is why there are various applications for your gadget. Try them out and find the one that suits you best!