How To Fix OEM Unlock Missing on Oppo K11 5G?

Original Equipment Manufacturer (OEM) Unlock is a function on Android devices. It allows you to unlock your phone bootloader. A bootloader or bootstrap loader gathers the operating system files, loads them into memory, and hands over control, essentially starting your device. Unlocking the bootloader assists you in installing custom ROMs, flashing custom kernels, and rooting your phone.

However, this freedom comes with some trade-offs. Most manufacturers will void your warranty if you unlock the bootloader, and it can also make your phone face higher risks of malware and other security threats. Additionally, it can be difficult to relock the bootloader once you unlock it.

If you encounter the OEM unlock missing on your Android phone despite wanting to unlock your bootloader, this article can help. You will learn the step-by-step guide for the different methods to fix the missing OEM unlock option. Before diving into solutions, let’s explore why this option might be unavailable in the first place.

Part 1: Why Is OEM Unlock Missing on Your Device?

Finding that OEM Unlock is missing on your Android phones can be frustrating, particularly if you plan to modify your software or install a custom ROM. But don’t worry. There are several possible explanations for this. Let’s explore some of the most common reasons:

Manufacturer Restrictions

The Missing OEM Unlock option can often be due to restrictions imposed by your device’s manufacturers. They may intentionally remove this option to safeguard device security and compatibility. It is common with carrier-locked devices. As a result, the OEM Unlock option may not show.

Bootloader Already Unlocked

In some cases, the Android OEM Unlock Missing issue arises when the bootloader has already been unlocked. Relocking the bootloader might make the option reappear. But exercise caution as this process can erase device data.

Developer Options Not Enabled

It might seem obvious, but sometimes the simplest things get overlooked. The OEM Unlock option can only be accessed from within Developer Options. If this menu isn’t enabled, you won’t see it.

Carrier-Locked Devices

The OEM Unlock Missing issue can also occur if your device is carrier-locked. Carriers often impose restrictions to prevent users from switching networks, and bootloader unlocking is one way to do that. Unfortunately, the missing OEM Unlock option is usually intentional, and unlocking your device can be more complicated.

Security Features

Enhanced security features, like Samsung’s KNOX, can sometimes conceal the OEM Unlock option. Temporarily turning off these features might show the option, but it’s crucial to be aware of the potential security implications of doing so.

Corrupted Bootloader

A corrupted bootloader can also lead to the Android OEM Unlock missing problem. The bootloader plays a role in the boot process, and if it’s damaged, it might not display the necessary options. This can be caused by software glitches, failed flashing attempts, or even hardware issues. In this scenario, you might need to consult your device’s manufacturer or a technical specialist to help repair or re-flash the bootloader.

Connectivity Issues

A poor connection between your device and computer can also prevent the OEM Unlocking from showing up. Check your cables and try using different USB ports to ensure a stable connection.

Part 2: How To Enable Missing OEM Unlock Without a Password?

Unlocking your phone’s bootloader (OEM Unlock) varies across models and brands. Some need a passcode or PIN after rebooting the phone, while others don’t. Even if your phone doesn’t require a separate password, your existing screen lock (password, PIN, pattern) will usually be needed to enable the missing OEM unlock option.

But what if you forgot that, too? Wondershare Dr.Fone - Screen Unlock can help bypass forgotten passwords and unlock your phone even if you don’t have the technical knowledge. Here’s a quick breakdown of its key features in this area:

Success Rate

High success rate for bypassing various lock screen types, including PIN code, pattern lock, passwords, and fingerprints.

Ease of Use

Provides a concise and intuitive interface that guides users with clear instructions and on-screen prompts.

Comprehensive Features

Dr.Fone - Screen Unlock tool can remove the Android phone lock screen without resetting your Samsung or LG device. It can also help you bypass Google Factory Reset Protection (FRP) on mainstream Android brands.

Extensive Device Compatibility

Aside from Samsung and LG, it covers a wide range of popular Android brands like Vivo, Huawei, Xiaomi, Oppo, etc.

Regain control in minutes with Dr.Fone. First, download the app to your desktop and install it. Once it’s up and running, launch Dr.Fone and prepare to unlock your device with ease. You’ll find detailed instructions below – even if you don’t know your phone’s lock screen, Dr.Fone has you covered.

Step 1: Select Screen Unlock from the Toolbox homepage. Then, establish a connection between your locked Android device and your computer using a USB cable.

Step 2: Specify the Oppo K11 5G device type for screen lock removal.

Step 3: Select Unlock Android Screen to proceed.

Step 4: Choose the brand of your phone from the supported brands.

Note:

The following steps will vary based on your device’s manufacturer. Please refer to the instructions on your screen to proceed into Download or Recovery mode.

Step 5: The screen unlock process is underway. If it encounters trouble, click Try Again. Once Dr.Fone successfully unlocks your Android device, tap Done.

Now that you’ve regained access to your device thanks to Dr.Fone - Screen Unlock, you can move forward with enabling the OEM unlock missing option. Next up, we’ll guide you through the steps in several ways. Let’s start with the Developer options.

Part 3: How To Enable OEM Unlock Missing From the Developer Options?

Developer Options, a hidden menu in Android, offers advanced features like app debugging and custom ROM installation. But if the Android OEM unlock option is missing, you can’t unlock your device’s bootloader. Below is a step-by-step guide for you so the OEM unlock missing option will show in the Developer Options. Remember, this process may erase your device data, so a complete backup is essential before proceeding.

Step 1: Open the Settings app on your Android phone.
Step 2: Navigate to About Phone at the bottom of the list, then tap Software information.

Step 3: Tap on the Build number repeatedly (7 times) until you see a message saying, “You are now a developer!“ or similar.
Step 4: Go back to Settings > System and find the Developer options menu.
Step 5: Scroll down and tap the toggle switch next to Enable OEM Unlock to turn it on.

Step 6: A warning message explaining the risks of turning on the OEM unlock will appear. Read it carefully and tap Enable if you want to proceed.

Step 7: Enter your PIN or password to confirm the unlock when prompted
Step 8: Your device will reboot, and OEM Unlocking will be enabled.

Part 4: How To Fix OEM Unlock Missing by Adjusting Date and Time?

Some manufacturers intentionally delay the availability of the OEM unlock after a software update for security reasons. Changing the date to a past date before the update rolled out can trick the system into displaying the option, as it thinks the update hasn’t happened yet. It is a temporary fix, and the option will likely disappear again later when the Oppo K11 5G device automatically syncs the correct date.

If you intend to try this method, follow these steps to enable OEM unlock missing or greyed out after an Android update:

Step 1: Open the Settings app.
Step 2: Go to System or General management, depending on your Android version.
Step 3: Tap on Date and Time.
Step 4: Turn off Automatic date and time.

Step 5: Tap on Set date and choose the desired older date from the calendar.
Step 6: Tap on Set time and choose the desired time from the clock.
Step 7: Tap on Done to save the changes.
Step 8: Go back to the Developers options and turn off the Auto update system option.

Step 9: Go to Settings > Software update, then turn off Auto download over Wi-Fi.

This method should enable the OEM unlock missing issue. Otherwise, proceed to the next section for another solution.

Part 5: How To Fix OEM Unlock Missing by Removing SIM Card?

Certain carriers restrict bootloader unlocking on their devices to ensure compatibility and prevent unauthorized modifications. For these phones, unlocking the SIM card becomes crucial before you can toggle the OEM unlock option. Here are the steps to fix the OEM Unlock missing or greyed out using SIM card removal:

Step 1: Use the SIM ejector tool (often included with your phone) or a small pin to push the tray out.
Step 2: Go to Settings > General Management > Reset, then select Factory data reset. Enter your PIN or password if needed.

Step 3: Review the warning and tap Reset to confirm.
Step 4: Once the reset is complete, your phone will restart. Connect to Wi-Fi when prompted.
Step 5: Skip any prompts to log in to your Google or email account. Then, repeat the process to open the Developer Options in the previous sections.

Conclusion

Having the OEM Unlock missing or greyed out can leave Android users feeling locked out of customization possibilities. Fortunately, this article has outlined helpful solutions like enabling the Android OEM Unlock missing option via the Developer Options. You can also try other methods above, like adjusting date and time settings or even a sim card removal trick. For those facing forgotten lock screens, we’ve offered guidance on bypassing them using the Dr.Fone - Screen Unlock tool to access the necessary phone settings.

While these methods provide a solid foundation, it’s always wise to research steps specific to your phone model. And never forget – caution is key. If things get technical, don’t hesitate to seek help from online communities or professional repair services.

Tips: Forget your device password and can’t get access to it? No worries as Dr.Fone is here to help you. Download it and start a seamless unlock experience!

6 Solutions to Unlock Oppo Phones If You Forgot Password, PIN, Pattern

Too many times, we forget the passcode of our smartphones, only to regret it later. Don’t worry if you are facing the same issue. It happens to all of us at times. Fortunately, there are many ways to unlock an Android device even when you have forgotten its password/pin/pattern lock. This guide will teach you how to unlock Oppo phones if you forgot the password in five different ways. Read on and choose your preferred option if you forgot the password on your Oppo phone and move past every setback you face.

Solution 1: Unlock Oppo Phone using Dr.Fone - Screen Unlock (5 mins solution)

Among all the solutions we are going to introduce in this article, this is the easiest one. Dr.Fone - Screen Unlock (Android) can help you remove the lock screen of some Oppo and Samsung devices without any data loss. After the lock screen is removed, the phone will work like it’s never been locked before, and all your data are there. Besides, you can use this tool to bypass the passcode on other Android phones, such as Huawei, Lenovo, Oneplus, etc. The only defect of Dr.Fone is that it will erase all the data beyond Samsung and Oppo after unlocking.

Dr.Fone - Screen Unlock (Android)

Get into the Locked Oppo Phone within Minutes

Available for most Oppo series, like LG/LG2/LG3/G4, etc.
Except for Oppo phones, it unlocks 20,000+ models of Android phones & tablets.
Everybody can handle it without any technical background.
Offer customized removal solutions to promise good success rate.

4,008,669 people have downloaded it

How to unlock an Oppo phone with Dr.Fone - Screen Unlock (Android)?

Step 1. Launch Dr.Fone.

Download Dr.Fone from the download buttons above. Install and launch it on your computer. Then select the “Screen Unlock“ function.

Step 2. Connect your phone.

Connect your Oppo phone to the computer using a USB cable. Click on Unlock Android Screen on Dr.Fone.

Step 3. Select the phone model.

Currently, Dr.Fone supports removing lock screens on some Oppo and Samsung devices without data loss. Select the correct phone model information from the dropdown list.

Step 4. Boot the phone in download mode.

Disconnect your Oppo phone and power it off.
Press the Power Up button. While you are holding the Power Up button, plug in the USB cable.
Keep pressing the Power Up button until the Download Mode appears.

Step 5. Remove the lock screen.

After your phone boot in download mode, click on Remove to start to remove the lock screen. This process only takes a few minutes. Then your phone will restart in normal mode without any lock screen.

For more detailed steps, please go to our guide on unlocking Android phones with/without data loss .

Solution 2: Unlock the Oppo Phone Using Android Device Manager (Need a Google account)

This is probably the most convenient solution to set up a new lock for your Oppo device. With Android Device Manager, you can locate your device, ring it, erase its data, and even change its lock remotely. All you got to do is log in to the Oppo K11 5G device Manager account using the credentials of your Google Account. Needless to say, your Oppo phone should be linked to your Google Account. Learn how to unlock the Oppo phone if forgot your password using Android Device Manager.

Step 1. Start by logging in to Android Device Manager by entering the credentials of your respective Google Account that is configured with your phone.

Step 2. Select your device’s icon to get access to various features like ring, lock, erase, and more. Out of all the provided options, click on “lock” to change the security lock of your device.

Step 3. Now, a new pop-up window will open. Here, provide the new password for your device, confirm it, and click on the “lock” button again to save these changes.

That’s it! Your phone will reset its password, and you would be able to move past any problem related to forgetting the password on the Oppo phone using Android Device Manager unlock .

If your Oppo device runs on Android 4.4 and previous versions, then you can easily move past the password/pattern lock without any trouble. The provision is not available on devices, which run on newer versions of Android. Nevertheless, for all the Oppo K11 5G devices running on older versions than Android 4.4, this is undoubtedly the easiest way to set a new passcode. Follow these steps to learn how to unlock your Oppo phone if you forgot your password using your Google credentials.

Step 1. Try bypassing the pattern lock at least 5 times. After all the failed attempts, you will get the option to either make an emergency call or choose the option of “Forget pattern”.

Step 2. Select the “Forget pattern” option and provide the correct credentials of your Google account to unlock your phone.

Solution 4: Unlock the Oppo Phone Using Custom Recovery (SD card needed)

If your phone has a removable SD card, you can also try this technique to disable the pattern/password on your device. Though, you need to have some custom recovery installed on your device for this method. You can always go for TWRP (Team Win Recovery Project) and flash it on your device.

TWRP: https://twrp.me/

Also, since you can’t move anything to your device when it is locked, you need to do the same using its SD card. After ensuring that you have met all the basic prerequisites, follow these steps and learn how to unlock the Oppo phone’s forgotten password using a custom recovery.

Step 1. Download a Pattern Password Disable application and save its ZIP file on your computer. Now, insert your SD card into your system and move the recently downloaded file to it.
Step 2. Reboot your phone into recovery mode. For instance, the TWRP recovery mode can be turned on by simultaneously pressing the Power, Home, and Volume Up button. You would get different options on your screen after entering the custom recovery mode. Tap on “Install” and browse the Pattern Password Disable application file.

Step 3. Install the above-mentioned application and wait for a few minutes. Afterward, restart your Oppo phone. Ideally, your phone will be restarted without any lock screen. If you get a lock screen, you can bypass it by entering any random digits.

Solution 5: Factory Reset Oppo Phone in Recovery Mode (erases all phone data)

If none of the above-mentioned alternatives work, then you can also try to factory reset your device. This will erase every kind of data from your device and make it look brand new by resetting it. Though, you can easily resolve the forgot password on the Oppo phone with it. Therefore, before proceeding, you need to be familiar with all the repercussions of performing a factory reset. All you got to do is follow these steps.

Step 1. Put your Oppo phone on its recovery mode with correct key combinations. To do this, firstly, turn your device off and let it rest for a few seconds. Now, press the Power and Volume Down key at the same time. Keep pressing them until you see LG’s logo on the screen. Release the buttons for a few seconds and press them again at the same time. Again, keep pressing the buttons until you see the recovery mode menu. This technique works with most Oppo devices, but it can differ slightly from one model to another.
Step 2. Choose “Wipe Data/Factory Reset.” You can use the Volume up and down key to navigate the options and the power/home key to select anything. Use these keys and select the “Wipe Data/Factory Reset” option. You might get another pop-up asking to delete all user data. Just agree it reset your device. Sit back and relax as your device will perform a hard reset.

Step 3. Select the “Reboot system now” option to restart it. Your phone will be restarted without any lock screen.

After following these steps, you can easily overcome how to unlock the Oppo phone forgot password issue.

Solution 6: Unlock Oppo Phone Using ADB Command (need USB debugging enabled)

This might be a little complicated initially, but if you don’t want to follow either of the above-mentioned techniques to unlock your device, you can go with this alternative. Before proceeding, make sure that you have ADB (Android Debug Bridge) installed on your computer. If you don’t have it, then you can download Android SDK right here .

Additionally, it would help if you turned on the USB Debugging feature on your phone before you forgot the password. If USB debugging is not turned on before, then this method will not work for you.

After making your device ready and downloading all the essential software on your computer, follow these steps to learn how to unlock your Oppo phone if you forgot the password.

Step 1. Connect your device to the computer with a USB cable and open the command prompt when it is successfully connected. If you get a pop-up message regarding USB Debugging permission on your device, simply agree to it and continue.
Step 2. Now, please provide the following code on the command prompt and reboot your device when it is processed. If you want, you can also tweak the code a little and provide a new lock pin.
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

Step 3. If the above code doesn’t work, try providing the code “ADB _shell rm /data/system/gesture. the key_” to it and follow the same drill.

Step 4. After restarting your device, if you still get a lock screen, then give a random password to bypass it.

Conclusion

You can choose a preferred option and rectify the issue whenever you forgot the password on the Oppo phone . Make sure that you meet all the requirements and go through the respective tutorial to attain fruitful results.

How to Remove a Previously Synced Google Account from Your Oppo K11 5G

The setting up process of a new Android phone requires you to add a Google account that saves all activities and data of the phone like search history, details of online shipping, play store purchases, and more. Once the account is set, it cannot be changed till you delete everything from your phone. Moreover, with the introduction of FRP lock, even a factory reset will not remove the synced Google account.

So, now what if you want to sell your phone or have purchased a second-hand device that is still associated with the previous owner’s Google account? No, worries as there are workarounds available that will help you remove your previously synced google account from your Android device.

Keep reading to know more in detail about how to bypass previously synced google accounts.

Heres a full guide on how to remove google account from android, click to know more!

Part 1: Remove Previously Synced Google Account from Android Phone Without Phone Reset

In this part, we will discuss the methods that can be used for removing the previously synced account from your Android phone without a phone reset.

If you just plan to reset your phone, maybe because of the lag caused by the phone cache, and you know the inconvenience of Google FRP as a protection mechanism, then you can remove Google FRP through the Settings menu.

The steps for this method are listed below.

Step 1: On your Android phone go to the Settings option and choose Accounts & Backup.
Step 2: Select the Manage Accounts option now and the list of the associated Google Devices will appear.
Step 3: Choose and click on the Google Account that you want to remove and a pop-up message will appear to inform you that all the account data will be deleted with this action.

To confirm the removal of the account, click on the Remove account button.

Method 2: Remove the Google account from the Android phone using the computer

There is another method using which you can remotely remove the Google account associated with your phone. The steps for the method are listed below.

Step 1: Using another device or a PC, sign in to your Google account that was previously synced on this device and choose the Security option.
Step 2: Next scroll down and then tap on the Your devices option and choose to Manage devices.
Step 3: You will now see the list of devices linked to your Google account. Next, tap on Find a lost or stolen phone and then select the Remove option present next to Account access.
Step 4: You will be again asked if you want to delete the account. Select the Remove option.
Step 5: The account will be removed successfully and the confirmation message will appear.

Note: This method will actually sign out you from the Google account and will not delete it permanently. To again get access to the account, a notification will appear on your phone to enter the password.

Part 2: How to Disable Factory Reset Protection to Bypass Google Account Verification After Factory Reset

The Factory Reset Protection (FRP) is a security feature for the Android device that allows factory reset only after the associated Google ID and password are entered correctly. With multiple accounts and passwords to remember there is quite a possibility that you may forget your Android phone Google account details and here the need to bypass Google account verification arises.

Though there are multiple tools available we recommend Dr. Fone - Screen Unlock (Android) as the best and the most reliable option. Using this excellent Windows and Mac-based software, FRP lock on all popular Android devices including Samsung, LG, HTC, and others. The tool is simple to use and requires no technology. There is also an option where you can unlock your device if you do not know the OS version.

Dr.Fone - Screen Unlock (Android)

Get into Locked Phones within Minutes

4 screen lock types are available: pattern, PIN, password & fingerprints.
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

4,008,669 people have downloaded it

Steps to remove FRP lock using Dr. Fone-Screen Unlock (Android)

Step 1: Download, install and run the software on your system, and from the main interface choose the Screen Unlock option. Make sure that your phone is connected to WiFi.

Step 2: Next, choose Unlock Android Screen/FRP and then select the Remove Google FRP Lock option.

Step 3: Next, choose the OS version of your device from the given options, and then using a USB cable, connect your phone to your system.

Step 4: After the Oppo K11 5G device is connected, the Oppo K11 5G device information will appear on the software for you to confirm and the notification for the same will be sent to your Android phone.

Step 5: Now follow the notifications for removing the FRP lock and in the browser enter drfonetoolkit.com.

Step 6: Next, click on the Android 6/9/10 button, choose Open Settings and select the PIN option to set a PIN to be used in the further steps.

Step 7: Keep following the steps as they appear till you reach the Google Account Sign-In page. Here click on the Skip option that will successfully remove and bypass the Google Account.

The above given are the brief steps for the FRP bypass process. To learn about the entire process in detail, check Dr.Fone-Screen Unlock (Android) guide .

Part 3: Hire a Remote FRP Removal Service to Bypass ZTE/Motorola After Factory Reset

To bypass the FRP lock on your ZTE, Motorola, and Samsung device, there is also an online service called UnlockJunky.com that claims to remove the FRP lock and previously linked account on your Android device within 5-15 minutes. This is a paid service that also claims that if they are unable to remove the lock, they will refund the amount to their customers.

So, if you cannot sign in with a Google account that was previously synced, you can give this, method a try.

Step 1: Open the official service page Unlockjunky on your browser.

Step 2: Next, choose the Oppo K11 5G device’s brand, model, and unlock type from their respective drop-down menus. Click on Unlock Now button after entering the details.

Step 3: Now you need to initiate the order by providing the details asked and completing the payment.

Step 4: Next, the software needs to be downloaded and installed on your system, and using a USB cable, connect your phone to your computer.

Step 5: Connect with one of the support provider members through the live chat and they will help you remove the FRP lock on your Android phone.

With the steps above, you can remove the account previously synced on this device.

Limitations of using the Unlockjunky method:

This is a paid service.
Works only with Motorola, ZTE, and Samsung devices.
There is no surety that the service will work for removing the FRP lock on your devices.
If you have to remove the FRP lock from multiple devices, a separate payment for each device has to be done.

Conclusion

Above we have listed several ways to remove a previously synced Google account on your Android device. The best of all the listed solutions is Dr. Fone - Screen Unlock (Android) as it supports bypassing FRP lock on multiple Android devices in a hassle-free manner. Once the license is purchased, you can unlock as many numbers of devices as you want without any worries.

Easy Unlock Android

How To Fix OEM Unlock Missing on Oppo K11 5G?