A Complete Guide To OEM Unlocking on Huawei Nova Y91

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 Huawei Nova Y91 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.

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 Huawei Nova Y91 device.

This process allows you to gain deeper access to the Huawei Nova Y91 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 Huawei Nova Y91 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.

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 Huawei Nova Y91 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.

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 Huawei Nova Y91 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.

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.

Dr.Fone - Screen Unlock (Android)

The Best UnlockJunky Alternative to Bypass FRP and Solve Your Screen Locks

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

4,008,671 people have downloaded it

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.

Step 2: Select Android on this page.

Step 3: Select Unlock Android Screen.

Step 4: Select your device brand.

Step 5: Click Remove without Data Loss.

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

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

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

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 Huawei Nova Y91 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 Huawei Nova Y91 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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

![Copy Aroma zip file](https://images.wondershare.com/drfone/article/2016/06/14647610755085.jpg)

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 Huawei Nova Y91 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.

6 Proven Ways to Unlock Huawei Nova Y91 Phone When You Forget the Password

Smartphones are mushrooming in today’s world, and it is like everybody is using these kinds of phones. Android phones are the most popular phone used by millions of users across the globe. As an Android user, I am sure you are keen to protect the data on your phone or prevent an unauthorized person from using it. One method to protect your phone data is to lock your phone screen. This is a good feeling since you will be the only one accessing your phone since you may not share the password with your child or even your spouse.

Unfortunately, this usually ends up forgetting the Android lock password. You may enter all the passwords you know, and your phones get locked. What will you do? In this article, we will learn how to unlock Android forgotten passwords in six ways.

You can watch the video above about how to unlock your Android Phone!

Way 1. Try Face or Fingerprint to Unlock Huawei Nova Y91 Phone

How to unlock your phone when you forget the password? If you’ve forgotten your Android phone’s password, the best way to unlock it is to use your device’s built-in biometric authentication features, such as face unlock or fingerprint unlock.

Face unlock uses your device’s front-facing camera to recognize your face and unlock your phone. And fingerprint unlock uses your device’s fingerprint scanner to recognize your fingerprint and unlock your phone. Both of these methods are very secure. And they can quickly and easily unlock your phone without having to remember your password.

However, you must use the face or fingerprint unlock correctly on your Android phone. The tips below can prove helpful:

Step 1: Make sure your face or fingerprint is registered correctly on the Huawei Nova Y91 device.
Step 2: Make sure the lighting is adequate and your face is clearly visible.
Step 3: Make sure the distance between your face and the camera is not too far.
Step 4: Make sure your finger is clean and dry before putting it on the fingerprint sensor.
Step 5: Try to use the same angle and position of your face or fingerprint every time.
Step 6: Try to use the same lighting conditions each time you use the face or fingerprint unlock.
Step 7: Make sure your device is up to date with the latest security patches.
Step 8: Make sure that your device is not rooted or running any custom ROMs.

If you are still unable to unlock your device, you may need to follow the solutions below.

Way 2. Unlocking Forgotten Password on Android Phones Using Dr.Fone Screen Unlock

Dr.Fone is an all-in-one tool that allows you to completely recover lost files from your Android device and unlock Android forgotten passwords. This cross-platform software can unlock a phone on which you forgot the Android password. This inbuilt feature allows you to remove the Android forgotten password while safeguarding your Android device’s data files. Above all, as the best phone unlocking software , it is cost-effective and easy to use.

It can remove 4 screen lock types - pattern lock , PIN, password & fingerprints.
No tech knowledge asked everybody can handle it.
Work for Samsung Galaxy S/Note/Tab series, LG G2/G3/G4 , Huawei, Xiaomi, Lenovo, etc.

Dr.Fone - Screen Unlock (Android)

The Best Tool to Unlock Android Phone Forgot Password Without Any Hassle!

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.
Bypass Android FRP lock without a PIN or Google account.
Provide specific removal solutions to promise good success rate.

4,008,669 people have downloaded it

Attention: When you use it to unlock Huawei , Lenovo, and Xiaomi, the only sacrifice is that you will lose all the data after unlocking.

Well, in a few minutes, you will unlock your Android phone’s forgotten password with ease. First, download Dr.Fone and install it on your computer. Thereafter launch it and follow these steps.

Step 1. Select the Unlock Android Screen Option

Once you have opened the program, select the “Screen Unlock” option directly. Next, connect your Android-locked phone and click on the “Unlock Android screen” button on the program window.

Step 2. Select Your Device Brand

After this step, you will be guided to another screen where you need to choose the brand of your device.

Step 3. Enter Download Mode

You will need to put your device into Download Mode for unlocking. Depending on your device’s brand and model, the instructions for doing so may vary.

Step 4. Observe the Unlock Process

The screen displays the progress of unlocking, downloading drivers and configuration files. Once the entire process is complete, you will be able to access yours forgot password Android device without having to enter any passwords.

Way 3. Use Google Find My Device to Remotely Unlock Your Android Phone

You can use Google Find My Device to unlock your Android phone remotely with another Android phone. All you need is the Google account and its password bound to unlock Android phone forgotten password.

Note: You must have enabled Find My Device on your device before proceeding.

Step 1: Open the Find My Device app or visit android/find .
Step 2: Sign into your Google account.
Step 3: You can select the Huawei Nova Y91 device you want to unlock and tap on the “Unlock” button.
Step 4: Your device will then be unlocked.

Please remember that this feature is only available for Android 5 and above in case Android forgot password.

Way 4. Reset Your Android and Remove the Password Using “Forgot Pattern” (Android 4.0)

There are several ways that you can reset Android after you forgot your password. You can reset using a google account or perform a factory reset.

This feature is available on Android 4.0 and older versions. So if you are using Android 5.0 and above, you can opt for the Screen Unlock tool or other ways as mentioned in this article.

Step 1. Enter the wrong pin on your android phone five times.

Step 2. Next, tap on “Forgot Password.” If it is a pattern, you will see “Forgot Pattern.”
Step 3. It will then prompt you to add your Google account username and password.

Step 4. Bravo! You can now reset your password.

Way 5. Factory Reset Your Android and Remove Password

If you are not successful with the above method, you can opt to perform a factory reset. This method should be the last option since you will lose data that has not been synced to your Google Account. It is wise to remove your SD card before performing the Android reset.

You can unlock your Android phone, i.e., Samsung, Oppo, or Vivo, by factory resetting it with these steps:

Step 1. Turn off your Android phone.
Step 2. Hold the Volume (-) and Power/Side buttons simultaneously.
Step 3. When the phone vibrates, release the Power button and hold the Volume Down button.
Step 4. Use the Volume (-) button for the “wipe data/factory reset” option. Then press the Power/Side button to confirm.
Step 5. Tap the “Yes – delete all user data” option and the Power button to confirm.
Step 6. After the reset, select “reboot system now” and tap the Power/Side button to restart your device.
Step 7. Your phone will now be unlocked, and the password will be removed.

Way 6. Unlock Samsung Phone with Samsung’s Find My Mobile

The best way to unlock Android forgot password on Samsung is to use Samsung’s Find My Mobile service. This service allows you to remotely unlock your device, reset the lock screen password, and even disable the lock screen altogether.

Step 1: To use this service, you must first log into your Samsung account on a computer or mobile device;
Step 2: Once logged in, you can locate your device, select the “Unlock” option;
Step 3: Enter your new password. Once unlocked, you can access your device with your new password.

FAQs About Android Unlock

1. Is there any universal code to unlock the Android phone?

No, there is no universal code for unlocking Android phones. They are different from stable SIM pins. Due to mobile device security, only users themselves can set up a unique password on their Android phone. So, it’s impossible to unlock an Android phone with a so-called universal code.

2. How to reset your Android phone password after the unlock?

Step 1: Open your Samsung phone and go to the Settings menu.
Step 2: Select the Lock Screen and Security options.
Step 3: Select Screen Lock Type.
Step 4: Select the Password option.
Step 5: Enter your current password, then tap Continue.
Step 6: Enter your new password twice, then tap OK.
Step 7: Your new password will now be in effect.

3. Don’t you have face or fingerprint unlock? Let’s set them up.

Step 1: Go to the Settings app on your Samsung phone.
Step 2: Tap on the “Lock Screen” option.
Step 3: Select “Screen Lock Type.”
Step 4: Choose the “Fingerprints” or “Face unlock” option.
Step 5: Follow the instructions on your screen to set up the desired unlock feature.
Step 6: When you’re finished, you’ll be able to unlock your phone using either your fingerprint or your face.

4. How to unlock an Android phone without data loss?

There are several ways how to unlock Android phones without data loss . One of the most recommended ways is that you can set up the method to unlock with a fingerprint or face. Because it has an official guarantee, and you don’t need professional skills. Moreover, if your phone has Android version 4.0 or even older, unlocking your phone via “Forgot Pattern’ will also help you finish the goal.

The methods discussed above in Way 1 or Way 2 can guide you better into unlocking your device using this tool.

Conclusion

To conclude, when you have an Android Password forgot the phone at hand, this guide can offer you several useful perspectives. However, it is advisable to perform Android password recovery using Dr.Fone - Screen Unlock (Android) . This software is fast, safe, and ensures that you have a better phone experience.