A Complete Guide To OEM Unlocking on Vivo Y27 4G

A Complete Guide To OEM Unlocking on Vivo Y27 4G

Peter Lv12

A Complete Guide To OEM Unlocking on Vivo Y27 4G

Android, known worldwide as a major player in phone operating systems, stands out for its flexibility and open-source nature. This allows users to customize their devices extensively. However, despite this openness, certain features and capabilities can still be locked or restricted, either by Google or the Vivo Y27 4G device manufacturer.

For those looking to truly unleash the full potential of their Android device, an OEM unlock is an essential step. This article will delve into the process of OEM unlocking on Android, guiding you through its benefits and how to safely perform it.

android phone with padlock

OEM lock might sound like technical jargon to many. However, it’s a key concept for those who wish to dive deeper into Android customization. OEM stands for Original Equipment Manufacturer. Unlocking in this context refers to removing restrictions made by the manufacturer on the Vivo Y27 4G device.

This process allows you to gain deeper access to the Vivo Y27 4G device’s software. Thus, OEM unlocking is often required for customizing or modifying the system at a more advanced level.

Why Enable OEM Unlock?

The primary reason to enable OEM unlocking is to gain the ability to root your device or install custom firmware, also known as ROMs. Rooting is the Android equivalent of jailbreaking. It allows users to access and modify the Vivo Y27 4G device’s software at the deepest level.

This can enable the installation of apps and software that require more permissions than what is typically available. On the other hand, custom ROMs can change your device’s interface. They can also add features not available in the stock version of Android.

android oem unlocking settings

Pros and Cons of OEM Unlocking

Here are some great things you can get when you allow OEM unlock.

  • The most significant advantage is the ability to customize your device far beyond what’s possible with standard settings.
  • Root access. It allows for rooting the phone enabling advanced features and apps.
  • Custom ROMs. Users can install different versions of Android or entirely new operating systems.

On the other hand, here are some cons that you must consider before performing the process on your phone:

  • Security risks. Root access can make your device more vulnerable to malware and hacking.
  • Void warranty. OEM unlocking often voids the manufacturer’s warranty.
  • Potential for bricking. Incorrect procedures can render the Vivo Y27 4G device unusable, known as ‘bricking’.

Understanding the Risks

It’s crucial to understand that OEM unlocking is not without its risks. It does open the door to several customizations and tweaks. However, it can also compromise the security of your device. There’s always a chance of bricking your phone, especially if the unlocking process isn’t followed correctly or an unstable custom ROM is installed.

Additionally, most manufacturers will void your warranty once you unlock the bootloader. This leaves you without support in case something goes wrong. So, in the next sections, you’ll be guided through the steps of OEM unlocking. You’ll also learn how to do it safely, ensuring you make the most out of your Android device.

Part 2: How To Enable OEM Unlock on Your Android Phone

Enabling OEM unlock can feel like stepping into uncharted territory. Still, it’s relatively straightforward if you follow the right steps. Before you start, it’s important to remember that the exact process can vary slightly depending on your device’s brand and model. However, the general steps are usually similar across most Android devices.

android developer options

  • Step 1: Before proceeding, ensure you back up all important data. Enabling OEM unlock may require a factory reset, which erases all data on the Vivo Y27 4G device.
  • Step 2: Go to your phone’s Settings > About Phone. Then, tap on the Build number seven times. You should see a message that says you’re now a developer.
  • Step 3: Find and select Developer options on Settings. Then, tap OEM unlocking. You might need to enter a PIN or password.

Here are some common links where you might find the needed PIN or password:

After these steps, your device’s bootloader is now unlocked, and you can proceed with rooting or installing custom ROMs. Remember that this is a significant change to your device’s system, and it should be done cautiously and ideally only if you’re comfortable with potential risks.

Part 3: What Can You Do After OEM Unlock?

Unlocking your phone’s OEM opens up a world of possibilities. It allows you to customize your device beyond what’s available in its factory settings. This newfound freedom, however, comes with its own set of responsibilities and risks. Here’s what you can do after having your phone OEM unlocked.

android custom roms

Root Your Device

Rooting is akin to having the master key to your device’s software. It allows you to gain superuser access, enabling modifications and access to system files that were previously restricted. With rooting, you can:

  • Remove pre-installed apps or bloatware.
  • Customize system settings and UI elements.
  • Enhance performance or battery life through underclocking or overclocking the CPU.

Flash a Custom ROM

A custom ROM is a new operating system you can install on your device. This is one of the most popular reasons for OEM unlocking. Custom ROMs offer:

  • The latest Android updates, even for older devices, are no longer supported by manufacturers.
  • New features and customization options that aren’t available in the stock ROM.
  • Potential performance improvements and unique user interfaces.

Enjoy High Customization

With an OEM unlocked device, the sky’s the limit regarding customization. You can:

  • Install custom kernels for better performance and battery life.
  • Use powerful apps that require root access for advanced device management.
  • Customize everything from the boot animation to the layout of your UI.

However, it’s crucial to proceed with caution. Rooting and installing custom ROMs can void your warranty and, if not done correctly, can turn your device into an expensive paperweight (a state often referred to as “bricking”). Always use reliable sources for your custom ROMs and root-access apps.

Bonus: How To Unlock Your Android Screen When You Forgot Password

Forgetting the password to your Android phone can be a stressful experience. It locks you out of your device. It cuts your access to personal data, contacts, and essential apps. However, aside from OEM unlocking, learning the skill of screen unlocking is incredibly useful in such situations. It’s not just about regaining access. It’s about harnessing control over your device during forgetfulness or emergency.

Wondershare Dr. Fone’s Screen Unlock (Android) will save you in these situations. It’s designed to unlock your phone without requiring a factory reset. It saves your data from being erased. This feature supports unlocking patterns, PINs, passwords, and fingerprints, offering a comprehensive solution for regaining access to your device.

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How To Perform Screen Unlock With Dr.Fone

The process is straightforward. It involves connecting your device to a computer and running the Dr.Fone software. Then, you’ll follow simple on-screen instructions. Learn how to do those below:

  • Step 1: Go to Toolbox > Screen Unlock. Connect your Android device with your PC.

dr.fone home

  • Step 2: Select Android on this page.

dr.fone screen unlock home

  • Step 3: Select Unlock Android Screen.

unlock android or google frp lock

  • Step 4: Select your device brand.

device selection screen

  • Step 5: Click Remove without Data Loss.

screen unlock options

  • Step 6: After confirming device details, type “000000” to execute the operation.

confirmation 00000 screen

  • Step 7: Follow the on-screen instructions for putting your device into download mode. Then, wait for the process to finish.

download mode instructions

  • Step 8: Once complete, click Done. If your device still isn’t accessible, click Try again.

screen unlock success

Conclusion

In wrapping up, you’ve explored the ins and outs of “what is OEM unlock” in the Android world. It’s a key to opening up a trove of customizability on your Android device. It lets you tweak and tailor your phone to your heart’s content. But remember, with great power comes great responsibility.

Diving into OEM

How to Unlock Vivo Y27 4G Bootloader Easily

Do you want to unleash the true power of your smart phone? Do you wish to have complete control over your smart phone? If yes, well, here is the answer; unlock bootloader. For people who are already into the tricks of hacking and rooting smart phones, might be aware of this. But still, there are exciting new developments. Bootloader is a code existing in all operating systems which usually comes pre-locked. So, it is important, if you wish to have a custom ROM installed on the Vivo Y27 4G device, or if you wish to have other controls like installing applications which are incompatible, to have the Vivo Y27 4G device bootloader unlocked. But going through with the process of unlocking bootloader and rooting the Vivo Y27 4G device will not help and rather might break the warranty of the Vivo Y27 4G device. This definitely calls for a diligent watch on how to unlock HTC bootloader. So, it is imperative as a user to know the process of HTC bootloader unlock. This article serves you with some ways you could follow to unleash the true power of your HTC device. Here’s how you can do it.

Part 1: Why We Want to Unlock HTC Bootloader

For people with HTC device, unlocking bootloader would mean complete authority over the smart phone and you have all the power to control the HTC device by all means. Since, bootloader usually comes pre-locked, unlocking the bootloader is the initial step if you would like to have a custom ROM installed in your device. There are various advantages of HTC unlock starting from gaining rights of control to installing latest custom ROMs in the phone and installing incompatible applications. Moreover, HTC unlock bootloader could boost the Vivo Y27 4G device speed and battery life and also help in making complete backups of the Vivo Y27 4G device. You could also have controls to remove bloatware from the HTC device. So, all in all, while there could be certain side effects, if not done properly, there are various advantages of unlocking HTC bootloader. If the process is carried out properly, the Android device could be the perfect smart phone you would like to have.

Part 2: How to Unlock Vivo Y27 4G Bootloader

Vivo Y27 4G is the flagship device of HTC by all means. With a world of features and offerings, Vivo Y27 4G truly is a beast. While the phone is very powerful without any modifications, the true potential is yet to be seen and that can only be done if the bootloader is unlocked. So, to have a complete control over the Vivo Y27 4G device, it is important to unlock the bootloader and the process has to be carried out diligently. One of the initial things that needs to be ensured is that the Vivo Y27 4G device is fully charged or atleast 80% mark. Make sure you have the fastboot drivers for the Vivo Y27 4G device configured on the windows machine and the Android SDK. Here are some of the steps which can be followed to unlock bootloader.

Step 1: It is always very important to keep the phone data backed up and more so when you are planning to unlock the bootloader.

As one of the initial measures, backup the Vivo Y27 4G device completely as bootloader unlocking process will wipe all the data off. So, backup all the data like photos, contacts, multimedia files, documents, etc.

unlock bootloader htc

Step 2: Go to htcdev.com/bootloader. Ensure that you are registered with HTC and once the sign up is done, log in to HTC dev.

htc unlock bootloader

Now, ensure that HTC Sync Manager is installed on the PC.

Step 3: From the bootloader page, select your device using the drop down option as shown in the picture below.

htc unlock bootloader

After selecting the Vivo Y27 4G device, click on “Begin Unlock Bootloader”, and then confirm all the dialogue boxes which come your way on screen.

Step 4: Now, you will be presented with four steps to put the Vivo Y27 4G device in bootloader mode. Disconnect the Vivo Y27 4G device from the PC and turn the Vivo Y27 4G device off completely. Press the volume down button along with the power button to switch the Vivo Y27 4G device on in bootloader mode.

htc unlock bootloader

Step 5: Use the volume keys of the Vivo Y27 4G device to select Fastboot option along with pressing power button to confirm, after the Vivo Y27 4G device is in bootloader mode. Now, connect the Vivo Y27 4G device to the computer using a USB cable.

htc unlock bootloader

Step 6: Go to Fastboot folder on the PC and holding down the shift key, click on any empty space followed by a click on “Open command window here”.

Step 7: In the command prompt window, type “fastboot devices” and press enter. Vivo Y27 4G will show up in the command prompt.

Note: The drivers have to be installed correctly to see the Vivo Y27 4G device in the command prompt. So, if the Vivo Y27 4G device does not show up, reinstall HTC Sync Manager and try again after restarting the computer.

Step 8: On HTC Dev’s website third page, click on “proceed to Step 9”. Follow the steps listed and then click on submit. The unlock token code for the Vivo Y27 4G device will be mailed by HTC. Download the token and name it “Unlock_code.bin” and place the token in the fastboot folder.

Step 9: Now, in the command prompt window, type the following:

fastboot flash unlocktoken Unlock_code.bin

Step 10: On the Vivo Y27 4G , one message will appear asking if you want to unlock the Vivo Y27 4G device bootloader.

htc unlock bootloader

Use volume keys to select and power button to confirm. Once this is done, the Vivo Y27 4G device will restart once and it’s done. The device is now bootloader unlocked.

How to Bypass Android Lock Screen Using Emergency Call On Vivo Y27 4G?

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 Vivo lock screen pattern, PIN, password, and fingerprint.

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

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

  • Step 1. First, set up your Vivo 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.

how to unlock samsung phone lock password-find my mobile

Method 2. Use Android Device Manager to Bypass Vivo Password

To know how to unlock a Vivo 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 Vivo Y27 4G 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.

how to unlock samsung phone lock password-android device manager

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 Vivo 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.

how to unlock a samsung phone without the code-google login

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

To bypass the Vivo 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 Vivo Y27 4G 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 Vivo 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 Vivo 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.

how to unlock a samsung phone without the code-adb command

Method 6. Factory Reset to Bypass Vivo 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 Vivo Y27 4G device completely to start the process. But this method will delete all the precious data on the Vivo Y27 4G 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.

how to unlock a samsung phone without the code-factory reset

Backup your Vivo phone regularly in case of any data loss in the future.

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 Vivo lock screen. Specifically, you can boot your Vivo 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.

how to unlock a samsung phone without the code-android safe mode

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 Vivo Y27 4G device completely
  • Step 4. Go to the security settings of the Vivo Y27 4G 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 Vivo 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.


  • Title: A Complete Guide To OEM Unlocking on Vivo Y27 4G
  • Author: Peter
  • Created at : 2024-04-03 23:27:52
  • Updated at : 2024-04-05 19:10:32
  • Link: https://android-unlock.techidaily.com/a-complete-guide-to-oem-unlocking-on-vivo-y27-4g-by-drfone-android/
  • License: This work is licensed under CC BY-NC-SA 4.0.