In 2024, Hassle-Free Ways to Remove FRP Lock on Vivo V27 Pro Phones with/without a PC
Hassle-Free Ways to Remove FRP Lock on Vivo V27 Pro Phones with/without a PC
“I just bought a used Vivo device from the mobile market without checking the already signed in Google account, and I don’t even know what Gmail ID is added to this device, so I’m looking for FRP Vivo bypass tools. Please help.” A user says so on Quora.
In all such and similar situations when you have authorized access to your Vivo or any other Android device, but not the right Google credentials, the need for a tool that can bypass the lock arises. The content below will take you through these FRP bypass Vivo tools.
Part 1. Can I Bypass Google Lock on Vivo ?
Yes, the Google Lock on Vivo can be bypassed using an FRP bypass tool. Although in case of theft and loss, the FRP lock is a great feature, but on the flip side, in a situation where you forget your Google credentials, the function can be more of a problem than of use. Additionally, if you have got a hand on a second-hand device having an FRP lock, then also you would be in trouble accessing the phone.
You can choose between tools without a computer as well as PC-based programs to bypass and remove the Google Account. Once the account is removed using the tools, the following will be the benefits.
- You will have complete access to your Vivo device and its features.
- Once the lock is removed, it will completely de-link from the previous Google account and hence cannot be blocked or traced by the previous owner.
- You can permanently delete the Google account.
Part 2. How to Bypass Google Lock on Vivo Without Computer? (30 Min & Free)
To remove the Vivo FRP bypass without using a system, the EMERGENCY CALL method can be used. Though this method is free, it is lengthy and complicated.
Steps for Vivo FRP bypass without computer
- Step 1. Connect your Vivo phone to a Wi-Fi and then switch it on for the HELLO screen to appear. Next, select the Emergency Call option and then click on Emergency Information two times.
- Step 2. On the Emergency Information page, tap on the Pencil icon and Name. Next, click o the profile icon and select the option of changing an image.
- Step 3. Next click on Menu > Photos > Permissions. Click on the Contacts options and select See All apps with this permission.
- Step 4. Click on the Search > Settings> Settings App Info > Open. With this, you will enter the Settings section of the Vivo V27 Pro device, after which select Accessibility > Accessibility Menu and turn in On.
- Step 5. Go back to the settings and choose Apps & Notifications > App Info. The list of the app will appear, and now you will have to disable some apps for the FRP process.
- Step 6. Choose 3 dots > Show System Apps and then click on Android Setup > Force Stop > OK.
- Step 7. Using the Storage & Cache option, wipe off the Storage and the Cache. Click Disable > Disable App.
- Step 8. Next, click on the blue settings icon of Android Setup and click on Force Stop.
- Step 9. From the Android Setup, remove all the storage and the cache data. Next click on Google Play Services > Disable > Disable App.
- Step 10. Now you need to go to the main Hello homepage by clicking on the back arrow multiple times. Select the Start option and the Vivo V27 Pro device screen will start loading.
- Step 11. When the updates are being checked by the screen, go back to the Wi-Fi connection page.
- Step 12. Open the Shortcut Menu by swiping up from the bottom to the top using 2 fingers.
- Step 13. Click Assistant > Settings > Enable Google Play Services. Move back and select Skip > Continue.
- Step 14. Click on More > Accept.
- Step 15. At the Set Screen Lock, click Skip > Skip > OK > Accept & Continue and then go to the home screen.
- Step 16. Finally, to bypass google lock on Vivo without pc, go to Settings > System > Advanced > Reset Option and here choose to Erase All Data options 3 times.
Part 3. How to Bypass Google Lock on Vivo with Computer? (15 Min but Paid)
If you have access to a computer, Motoreaper is a decent Vivo FRP tool for Vivo FRP bypass with computer. Developed by the Phonlab team, Motoreaper is a Windows-based tool that works on the majority of Vivo devices including Moto E, Moto X, Moto G, Droid Turbo, Droid Maxx2, and others.
Steps for Vivo FRP bypass using Motoreaper
- Step 1. Download and install the Motoreaper software on your system and launch the same.
- Step 2. Now you need to get your Vivo phone into bootloader mode and for this, you need to power off your device and then turn it on by pressing and holding the power and volume down buttons together for a few seconds.
- Step 3. Next, connect your phone to your PC using a USB cable and the software will successfully show the connected device.
- Step 4. Next, unplug your Vivo phone and boot it into the factory model using the bootloader mode by pressing the power and volume down button. When the factory mode appears, use the power button to select it.
- Step 5. Now connect your phone again to your system and let it boot up completely. Next, click on the I have Done option.
- Step 6. Now your device is on the factory mode where you need to click on, the I Confirm option.
- Step 7. Next for Vivo Google bypass, use debugging in your device and then tap on I confirm at Moto Rapersoftware.
- Step 8. The Unlock No button will appear in the Moto Reaper software which you have to click after which the Google bypass Vivo process will be complete and the FRP lock will be removed.
Part 4. How to Unlock Vivo Phone Passcode? (5 Min)
Besides FRP lock, the screen lock of your Android phones including Vivo is one of the most common situations. So, if to have forgotten your screen lock code or have a device with a locked screen, the best tool we reconned is Dr.Fone - Screen Unlock (Android) . This simple system-based software will let you remove all types of screen locks – PIN, password, pattern, as well as a fingerprint in a few simple and quick steps. The software is reliable and safe without causing any harm to your device.
Dr.Fone - Screen Unlock (Android)
Get into Locked Vivo within Minutes
- 5 screen lock types are available: pattern, PIN, password, fingerprints & Face ID.
- 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
4,008,671 people have downloaded it
Step 1. Launch the installed software on your system and from the main page, choose the Screen Unlock option.
Step 2. Using a USB cable, connect your phone to your system and then select Unlock Android Screen option on the software interface.
- Step 3. From the supported list on the software interface, select Vivo .
- Step 4. Your Vivo phone will enter into a dedicated mode. Once in this mode, Dr.Fone will initiate the Vivo screen unlock process.
- Step 5. When the process is complete, you can access your Vivo device without any need for a password.
safe & secure
Conclusion
Vivo FRP lock can be removed using the Emergency Call option or the above-mentioned Motoreaper tool. For removing any type of screen lock without password on your Android devices, Dr.Fone – Screen Unlock (Android) works as the best option.
Step-by-Step Tutorial: How To Bypass Vivo V27 Pro FRP
Smartphones are now integral to people’s daily lives. In recent days Vivo V27 Pro has gained immense popularity. It is due to the Vivo V27 Pro device’s impressive features and affordability. The rising cybercrimes have forced manufacturers to increase measures for device security. One such security feature is the Factory Reset Protection (FRP) on the Vivo V27 Pro. It is designed to safeguard the Vivo V27 Pro device from unauthorized access.
While this feature has its advantages, it can pose a significant challenge when users. This is especially the case when they need to perform a factory reset but have forgotten their Google account credentials. In this comprehensive tutorial for 2023, we will guide you step by step on how to bypass the Vivo V27 Pro FRP.
Part 1: Understanding the Vivo V27 Pro FRP
Having a clear understanding of what exactly Vivo V27 Pro FRP entails is important. It will make the process of the Vivo V27 Pro FRP bypass easier and hassle-free. In this section, we will explore the concept of FRP, its purpose, and how it is activated on the Vivo V27 Pro:
What is Vivo V27 Pro FRP?
FRP, or Factory Reset Protection, is a security feature integrated into Android devices. It is also included on the Vivo V27 Pro by Google to prevent unauthorized access to the Vivo V27 Pro device. When FRP is activated on a smartphone, it links the Vivo V27 Pro device to the user’s Google account.
That makes it mandatory to verify the account credentials after performing a hard reset. In other words, FRP acts as a protective barrier. It ensures only the rightful owner can access the Vivo V27 Pro device.
Purpose of Vivo V27 Pro FRP
The primary purpose of Vivo V27 Pro FRP is to safeguard personal data and sensitive information stored on the Vivo V27 Pro device. It works as an important security measure in the unfortunate event of the Vivo V27 Pro device being lost or stolen. FRP ensures that no unauthorized individual can gain access to the Vivo V27 Pro device’s contents. It does that by requiring the original owner’s Google account login details.
By requiring the user’s Google account credentials, FRP reduces the chances of device misuse. Thus, it ultimately enhances the data security and privacy of your device.
Activation Methods of Vivo V27 Pro FRP
When you register a Google account on your device, the FRP gets activated automatically. If you remove the Google account from the Vivo V27 Pro device before performing a factory data reset, the FRP will be disabled. However, once the FRP is enabled, it will stop you from using your Vivo V27 Pro after a factory data reset in an untrusted environment.
In simple words, any other way to factory reset the Vivo V27 Pro device except factory reset through settings will trigger FRP lock. A command example of this is a hard factory reset which usually enables FRP lock after the process.
Part 2: Preparations Before Bypassing Vivo V27 Pro FRP
Now that you have a comprehensive understanding of the Vivo Y12 FRP bypass, it’s time to prepare for the bypassing process. This section will cover crucial preparations to ensure a successful FRP bypass . By following these steps, you can avoid potential failures:
1. Important Notes and Warnings
Before proceeding with the Vivo V27 Pro FRP bypass, there are some essential things to keep in mind:
- Legal and Ethical Use: It is crucial to emphasize that bypassing FRP should only be done on devices that you own. Engaging in unauthorized bypassing FRP for illegal purposes may lead to legal consequences.
- Warranty Void: Bypassing FRP may void the warranty of your device. If your Vivo V27 Pro is still under warranty, consider contacting the manufacturer or authorized service center for help.
- Security Risks: Bypassing FRP can potentially expose your device to security risks. Only follow trusted guides and sources to avoid installing malicious software.
2. Required Tools and Equipment
To bypass Vivo V27 Pro FRP, you will need the following tools and equipment:
- A desktop computer or laptop with strong internet connectivity.
- A USB cable to connect your Vivo V27 Pro to the computer.
- Access to third-party software for bypassing FRP.
3. Backup Your Data
If you have recently bought a used Vivo V27 Pro and don’t know the Google account credentials, it can trigger FRP on factory reset. Before factory resetting your device, it is essential to back up the data. Since the Google account on your device doesn’t belong to you, you will need to use third-party tools to create local backups.
The best tool in this scenario to use is Wondershare Dr.Fone . With the help of this tool, you can back up the entire data of your Vivo V27 Pro to your computer.
4. Ensure a Stable Internet Connection
A stable and reliable internet connection is vital for a smooth FRP bypass. Make sure your computer and Vivo V27 Pro are connected to the internet throughout the process. FRP bypassing will need you to download related files to complete the procedure.
Part 3: Step-by-Step Guide: How To Bypass Vivo V27 Pro FRP
With the necessary preparations, it’s time to embark on the step-by-step guide for the Vivo Y15 FRP bypass. This section will explore three different methods for bypassing FRP. The first method involves using your Google account credentials, the official way to bypass FRP:
Method 1: Using Google Account Credentials
Before attempting this method, ensure that you have access to the Google account associated with your Vivo V27 Pro. If you’ve forgotten your account details, use Google’s account recovery options before proceeding. Here’s how to bypass Vivo V27 Pro FRP using your Google account credentials:
- Step 1: Power on your Vivo V27 Pro and choose the desired language. Afterward, connect your phone to a stable Wi-Fi network. Next, proceed through the Vivo V27 Pro device setup until you reach the FRP verification screen.
- Step 2: When prompted to verify your Google account, enter the associated email address and password. Ensure that you have a working and high-speed Wi-Fi connection during this step.
- Step 3: After entering the correct Google account credentials, the Vivo V27 Pro device will verify the information. If the details are correct, FRP will be bypassed, and you will gain access to your Vivo V27 Pro.
Method 2: Using FRP Bypass Tools
To bypass the FRP on Vivo V27 Pro, you can utilize a specialized tool designed for this purpose. One highly recommended tool is Wondershare Dr.Fone . It is known for its reliability in bypassing FRP locks on various Android devices. This tool supports 15+ different brands with 2000+ Android devices for FRP bypassing.
Apart from bypassing the FRP lock, this tool is also an expert in unlocking other device locks. These include PIN, pattern, password, fingerprint, and face locks. With the help of this tool, you can unlock Samsung and LG devices without data loss. Here are the step-by-step instructions to perform the Vivo V27 Pro FRP bypass:
Dr.Fone - Screen Unlock (Android)
The Best UnlockJunky Alternative to Bypass FRP and Solve Your Screen Locks
- Completely unlinked from the previous Google account, it won’t be traced or blocked by it anymore.
- Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
- Almost all Samsung phones and tablets are supported (Currently for Android 6-13).
- Provide specific removal solutions to promise good success rate.
4,008,672 people have downloaded it
- Step 1: Access Screen Unlock in Wondershare Dr.Fone
Start by installing Wondershare Dr.Fone on your computer, then launch the application. Afterward, navigate to the “Toolbox” tab and select “Screen Unlock.” Follow it by clicking on “Android” on the next screen. Choose “Remove Google FRP Lock” among the available options for screen unlocking.
- Step 2: Select Remove Google FRP Lock To Proceed
On the following screen, select “Vivo” as the targeted phone brand and click “Start.” Wondershare Dr.Fone will now download the necessary driver required for Vivo V27 Pro FRP bypassing.
- Step 3: Complete the Vivo V27 Pro FRP Bypass Process
Once the driver download is complete, turn off your Vivo V27 Pro smartphone. Now, connect the turned-off device to your computer while simultaneously pressing both volume keys for at least 3 seconds. This action will trigger the FRP bypass process, which should take a few minutes to complete.
Method 3: Using Combination File
The third method on the list for Vivo V27 Pro FRP bypass is using a combination file. In this method, you will need to use a specialized tool to bypass the FRP lock by putting your Vivo V27 Pro phone into Recovery Mode. The detailed steps for this method are following:
- Step 1: Begin by downloading the Vivo FRP unlock tool (Password: GADGETSDOCTOR) on your computer and extract it. Now run the .exe file from the extracted content to install it. Afterward, turn off your Vivo V27 Pro and put it into Recovery Mode.
- Step 2: To put Vivo V27 Pro into Recovery Mode, you will need to simultaneously press and hold the “Power” and “Volume Up” keys together. Hold these keys until you see Fastboot Mode on the screen. Here use the Volume keys to select Recovery Mode.
- Step 3: Within Recovery Mode, select “Advanced Options,” and on the following screen, choose “Reboot with adb.” Now wait for your phone to turn on and later connect it to the computer with FRP unlock tool installed.
- Step 4: On the Vivo FRP lock tool interface, tap any key and press enter to check if your device is properly connected. Now repeat the process once again and wait for your Vivo V27 Pro to reboot. Once the rebooting process is completed, check to confirm if the FRP lock has been bypassed.
Part 4. Troubleshooting and Tips
Navigating the workings of the Vivo V27 Pro FRP bypass can be challenging. As with any security feature, FRP is designed to protect your data and device. It makes the bypassing process a delicate task. This part will address common issues faced during FRP bypass attempts.
It will also offer valuable tips to ensure a successful process. Moreover, it will explore alternative methods should the initial approaches prove unsuccessful.
Common Issues Faced During Bypassing Vivo V27 Pro FRP
- Incorrect Google Account Credentials: One of the most common issues during FRP bypass is entering incorrect Google account credentials. Double-check the email address and password associated with the Vivo V27 Pro device.
- Unstable Internet Connection: A stable internet connection is crucial during the FRP bypass process. Ensure your device is connected to the internet throughout the procedure and it is not unstable.
- Outdated Software: Using outdated or incompatible tools may result in unsuccessful bypass attempts. Always ensure you are using the latest version of the tool or method.
- Device Compatibility: Not all bypass methods are universally compatible with all Android devices. Ensure that the method you choose is intended for use with the Vivo V27 Pro.
Tips To Ensure a Successful Bypass Process
- Back-Up Data: Before attempting any bypass method, back up your important data because it will prevent accidental loss during the process.
- Verify Official Methods: Always focus on official methods, such as using Google account credentials. They are better than third-party tools or combination files.
- Use Reputable Sources: If you opt for alternative tools or methods, download them from reputable sources. It will help you avoid malware or security risks.
- Read User Reviews: If using third-party tools, read user reviews and forums. This will help you gauge their effectiveness and safety.
- Follow Instructions Carefully: Whether using official methods or alternative tools, follow instructions diligently to avoid mistakes.
Alternative Methods or Tools if the Initial Methods Fail
If the initial methods discussed in this article are failed to bypass the Vivo V27 Pro FRP, then try these alternate methods to turn off the FRP lock:
1. Contact the Original Owner for Google Account Credentials
If you have bought the Vivo V27 Pro in used condition and it is FRP-locked, try contacting the original owner. They might have the necessary account information to complete the verification process. In case they are able to provide you with Google account credentials, the process to bypass the Vivo V27 Pro FRP lock becomes easy and quick.
2. Contact Vivo Customer Services
Have you tried various methods to bypass FRP on your Vivo V27 Pro without success? It is the right time to contact professionals. Get in touch with Vivo’s official customer services or visit an authorized service center. They have the expertise to handle device-related issues, including FRP lockouts. Explain your situation to the support staff, and they will guide you through the appropriate steps to regain access.
Conclusion
In this comprehensive guide, we have explored various methods for the Vivo V27 Pro FRP bypass. While there are several methods available, we highly recommend using the Wondershare Dr.Fone as the best choice. Dr.Fone is a reputable and reliable tool that offers a seamless and secure FRP bypass process.
It prioritizes data integrity and user privacy. Moreover, its clean interface ensures that even users with limited tech knowledge can use the bypassing process with ease.
How to Bypass FRP on Vivo V27 Pro?
Learning how to FRP bypass on Vivo V27 Pro is vital in many ways. For instance, you might want to hard reset your phone to clear data and remove a bug or virus. Or, you may want to remove every bit of information before gifting or selling the phone. Whichever the case, learning how to bypass FRP on Vivo V27 Pro is a cakewalk with this 3-minute read. We’ll know how to do that with or without a PC.
Part 1: Is it possible to bypass FRP Vivo V27 Pro on Samsung?
FRP (Factory Reset Protection) is an Activation Lock system introduced by Google in 2015 on Android 5.1 (Lollipop) or newer. This security feature is meant to prevent unauthorized Factory Resetting of your phone. In other words, you’ll need to enter the correct Google Account details to bypass FRP. Because FRP or Activation Lock is available on Android 5.1 or later, it will automatically activate on your Vivo V27 Pro device after adding your Gmail account. Some Samsung Vivo V27 Pro devices include S8, S8 Plus, Note 8, Note 9, J6, J7, M1, and other Galaxy phones launched before 2018.
Meanwhile, you must be asking if it’s possible to bypass FRP on Vivo V27 Pro without a PC? The answer is yes! There are multiple methods to bypass FRP on Vivo V27 Pro, including via YouTube.
Below are the quick steps for Galaxy S8 or S8 Plus:
Step 1: Dial an emergency number and save it
- 1. Fire up your locked phone and connect it to a Wi-Fi network.
- 2. Navigate back to the “Let’s go” screen and tap Emergency call. Dial and call 112.
- 3. Go back to the “Let’s go” screen and click Next until you reach the Wi-Fi connection screen. Here, tap Add network and then click the Settings icon on the Samsung keyboard.
- 4. Click Keyboard layout and feedback > Key-tap feedback. Then, choose Sound and vibration on the Tip section.
- 5. Next, click Answering and ending calls > Answer automatically. Now enable the toggle before using your two fingers to select “10 seconds” and “Customize.” You’ll see a pop-up dialog where you’ll click App Info > Call settings > Block numbers.
- 6. Click Recent > Emergency number > Message icon.
- 7. Tap the Ellipsis icon and click Add or remove people. Enter random numbers before clicking the “+” button.
- 8. Click the number you’ve just entered and tap Add. Then, tap Create contact and name it. Scroll down and add an email address with a password that you’ll remember easily if prompted. Click Save.
Step 2: Open Chrome and install Bypass FRP APK
- 9. Now open a Message chat and type www.youtube.com before sending it to the number. Then, tap the YouTube link and open any video.
- 10. Click any link on the video description to launch Google Chrome. Search, download, and install Apex Launcher APK from frpfile.com.
- 11. After installing Apex Launcher, open it and then click Settings > Biometrics and security > Other security settings > Device admin apps > Find my Device > Deactivate.
- 12. Go back to the Settings screen, click Apps > Google Play Services > Disable. Also, disable Google Account Manager.
- 13. Open Chrome and install Bypass FRP APK from the same website.
Step 3: FRP Bypass Vivo V27 Pro
- 14. Go to Settings > Accounts and backup > Accounts > Add account > Google. Sign in with any Gmail account.
- 15. Navigate back to Settings and enable Google Play Services. Also, activate Find My Device. Now restart your phone and access it without FRP.
Although this method can yield the desired results, it can be time-consuming and confusing if you’re not a techie. So, read on to learn the easiest way to bypass FRP on any Samsung Vivo V27 Pro device.
Part 2: How to bypass FRP Vivo V27 Pro with Dr.Fone – Screen Unlock (Android)?
This method will teach us how to bypass FRP on Vivo V27 Pro devices like Galaxy S8 or S8 Plus. Here, you’ll need a Wi-Fi internet, Mac or Windows PC, and a USB wire. You require a computer to install Dr.Fone - Screen Unlock (Android) and connect the program to your locked phone. Don’t worry; it’s a free FRP bypass program without those unwanted programs or malware. Besides Vivo V27 Pro, Dr.Fone can also bypass Samsung FRP on Android 6/7/8/10/11/12/13.
Dr.Fone - Screen Unlock (Android)
The Best Tool to Bypass FRP on Vivo V27 Pro and Solve Your Screen Locks!
- Completely unlinked from the previous Google account, it won’t be traced or blocked by it anymore.
- Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
- Supported Android brands: Samsung, Xiaomi, Redmi, Oppo, Realme, Vivo.
- Provide specific removal solutions to promise good success rate.
4,008,670 people have downloaded it
Follow these steps to bypass FRP on Vivo V27 Pro with Dr.Fone:
Step 1: Install and run Dr.Fone on your PC and open the Screen Unlock feature. On the Screen Unlock window, tap Android before clicking Remove Google FRP Lock.
Step 2: Next, choose the Android operating system for your device. In this case, select Android 6/9/10. Now connect the locked Android phone to your PC using a USB cable and click Confirmed once the connection is successful.
Step 3: On your phone, you’ll see a Dr.Fone Unlock pop-up dialog. Click View and then install and launch Samsung Internet Browser. Now enter and search for https://drfonetoolkit.com . Click Android 6/9/10 and then tap Open Settings. After that, tap PIN > Do not require > Continue. Now set a PIN code that you can easily remember before clicking Skip.
Step 5: Click the “<” button to navigate back to the Wi-Fi connection screen before clicking Next. Enter the PIN you can set earlier before clicking Continue.
Step 6: Hit the Skip button on the Google Sign-In page to successfully bypass FRP on your Samsung Vivo V27 Pro phone. And there it that!
Note: Bypassing FRP on your Samsung phone using Dr.Fone is undoubtedly quick and easy. However, only use this software to bypass FRP on your Samsung phone or if you have consent from the original owner. Don’t bypass FRP if you’re not sure about the original owner of the phone.
You can watch the video below to get your FRP bypassed with Wondershare Dr.Fone
Part 3: How to Disable FRP lock on Samsung Vivo V27 Pro?
To avoid the stress of bypassing FRP on your Samsung phone in the future, you may have to disable Android Lock altogether. This is a relatively straightforward procedure on any Android phone you use. But be guided that turning off FRP on your Vivo V27 Pro phone is not recommended.
Follow these steps:
- Step 1: Search for the Settings app and open it.
- Step 2: Next, click Accounts and backup before clicking Accounts.
- Step 3: You’ll see all the linked email accounts. Choose the one that you want to delete.
- Step 4: Click Remove Account and then click Remove Account once again to confirm. That’s it!
Conclusion
See, you can quickly bypass FRP on Vivo V27 Pro with these methods. But remember that disabling FRP will leave your phone without security protection. Also, bypassing FRP using the YouTube method can be lengthy and complex. So, use Wondershare Dr.Fone to skip FRP on Android 6/7/8/9/10/11/12/13. Give it a try!
- Title: In 2024, Hassle-Free Ways to Remove FRP Lock on Vivo V27 Pro Phones with/without a PC
- Author: Lynn
- Created at : 2024-07-15 08:56:42
- Updated at : 2024-07-16 08:56:42
- Link: https://bypass-frp.techidaily.com/in-2024-hassle-free-ways-to-remove-frp-lock-on-vivo-v27-pro-phones-withwithout-a-pc-by-drfone-android/
- License: This work is licensed under CC BY-NC-SA 4.0.