Mastering Android Device Manager: The Ultimate Guide to Unlocking Your Oppo A18 Device

So, what is Android Device Manager?  Android has this amazing native tool to help you locate and remote wipe your lost or stolen phone. We lock our phones via passwords or patterns or fingerprints to maintain the security but what if someone dares to meddle with your phone or unfortunately, it gets stolen? Don’t worry, all you need to do is let Android Device Manager unlock your Android phone. For this, it just needs to be enabled on your phone (before you unluckily locked yourself out of it). Android Device Manager unlocks your phone in a small amount of time, saving you from all the troubles.

In addition to this, the Android Device Manager also unlocks your password/pin-encrypted phone if you have forgotten the passcode by chance. The procedure is quite simple; all you need is a Google account to set this up onyour phone and then you can make use of any other online device to track down your lost or stolen phone or to even wipe all data in it. Phew!

Using the Android Device Manager to track a lost phone

Part 1: What is Android Device Manager lock?

Android Device Manager is Google’s take on Apple’s Find My iPhone. Enabling the ADM is quite easy; just go to google.com/android/devicemanager  on your computer and search through your list of devices that are already connected to your Google account. Once you are there, you can easily send a notification to the phone you want to enable remote password application and wiping upon.

ADM comes with a set of features that helps you to unlock your Android phone as well. It not only helps you to find your device, but also Ring it, lock it, and wipe and erase all the data as well, if your phone is lost or stolen. Once you’re logged into the ADM website from your computer, you can avail all these options once your phone is located. It is a wise option to get your device locked by Android Device Manager in case it is lost or stolen, so that your phone is secured.

Android Device Manager can unlock your phone under a specific set of circumstances only.

• • First of all, Android Device Manager needs to be enabled on your phone before it is lost, stolen, etc.
• • Secondly, your phone can only be tracked by ADM if the GPS option is switched on.
• • Thirdly, the Oppo A18 device you are using for ADM, must be connected to Wi-Fi or internet, to login to your Google account.
• • Lastly, Android Device Manager is not compatible for all Android versions. For now, it is only compatible with devices running Android 4.4 and above, so your phone must be in this category for ADM to work.

Part 2: How to unlock Android phone with Android Device Manager?

Just act according to the following steps, and the Android Device Manager will unlock your phone.

1. On your computer or any other mobile phone, visit: google.com/android/devicemanager

2. Then, sign in with the help of your Google login details that you had used in your locked phone as well.

3. In the ADM interface, choose the Oppo A18 device you want to unlock. Now, select “Lock”.

4. Enter a temporary password. Now go ahead and click on “Lock” again.

5. If the previous step was successful, you should be seeing a confirmation below the box with the buttons – Ring, Lock and Erase.

6. Now, you should see a password field on your phone screen. Enter a temporary password to unlock your phone.

7. Visit your phone’s lock screen settings and disable the temporary password.

The Android Device Manager has successfully unlocked your phone!

A downside to this process, is an error message faced by some users while using ADM. Many users have reported the issue, that when they have tried using ADM to unlock their locked device, an error message has occurred, saying, “since Google has verified that a screen lock is already set”. Basically, this error message conveys that you will not be able to unlock your phone using Android Device Manager, and this is a flaw on Google’s part, not your phone’s.

Part 3: What to do if phone is locked by Android Device Manager

There are 2 situations where you would want to know how to unlock the Android Device Manager lock – one, when you have unfortunately forgotten the screen lock passcode and the other is when your phone is locked by Android Device Manager.

ADM is built to completely lock your device so that unknown people cannot access it. So, if your phone is locked by Android Device Manager, you might be in a problem.While ADM is a wonderful tool to lock your phone or erase and wipe data if its stolen or lost, most of the users have reported the issue that they cannot unlock their phones that are locked by Android Device Manager. A possible solution to this is adding a temporary password via Google login and bypassing the ADM lock. Or, you can try resetting the password again by entering a new password via ADM. If that does not work, you can make use of several third-party applications which can be found in the internet, that will help to completely erase the Android Device Manager lock.

So, now you know how to unlock the Android Device Manager lock. Do keep in mind, your device must be connected to internet or Wi-Fi, to login to your Google account.

Part 4: Unlock Android devices with Dr.Fone - Screen Unlock (Android)

As mentioned before, many were unable to unlock their phones with ADM. This is why we use the Dr.Fone - Screen Unlock (Android) . It is hassle-free and easy-to-use; the Dr.Fone toolkit needs to be downloaded on your computer and with a few easy steps, it erases any kind of lock-screen passcode and avoids any kind of data loss as well!

Dr.Fone - Android Lock Screen Removal

Remove 4 Types of Android Screen Lock without Data Loss

• It can remove 4 screen lock types - pattern, PIN, password & fingerprints.
• Only remove the lock screen, no data loss at all.
• No tech knowledge asked, everybody can handle it.
• Work for Samsung Galaxy S/Note/Tab series, and LG G2, G3, G4, etc.

3,224,627 people have downloaded it

This tool works on removing all four types of lock-screen passcodes – PINs, Patterns, Fingerprints, and Passwords. Anyone can use this tool following these easy steps:

You can also use this tool to bypass the locked screen beyond Samsung and LG.Things you should pay attention is that it will remove all the data after finishing unloking on other brand android phone.

1. Fire up the Dr.Fone toolkit for Android on your computer and select the Screen Unlock among all the other tools.

2. Now, connect your Android device to the computer and select phone model in the list on the program.

3. Boot your phone into Download mode:

• • Power off your Android phone.
• • Press and hold the volume down+the home button + the power button at the same time.
• • Press the volume up button to enter Download Mode.

4. After you get your phone into the Download mode, it will start downloading a recovery package. Wait for this to be completed.

5. When the recovery package download is completed, Dr.Fone toolkit will begin removing the screen lock. This process will not cause any data loss on your Android device, so do not worry. Once the whole procedure is over, you can easily access your Android phone without entering any kind of password. Hurrah!

The Dr.Fone software is currently compatible with Samsung Galaxy S/Note/Tab series, and LG G2/G3/G4 series. For windows, it is compatible with 10/8.1/8/7/XP/Vista.

The Android Device Manager is an excellent initiative taken by Google to give people the chance to not lose any data and regain access to their phones. This also teaches us to take precautions before such unfortunate incidents take place. Phones are probably one of the most important belongings of ours, in which we confide all our private and confidential documents that we wouldn’t want to be meddled with.

So, make use of this guide and get back command over your Android phone.

Top 10 Fingerprint Lock Apps to Lock Your Oppo A18 Phone

In the last few years, we have seen the launch of numerous Android phones with an inbuilt fingerprint scanner. This provides added security to the Oppo A18 device and should definitely be utilized by the user. To make the most of this amazing feature, you can find many fingerprint lock app options listed on Google Play Store. Since there are so many options for a fingerprint app, it might become tedious to pick the best finger lock app for your device. Don’t worry – we are here to help you. This guide will make you familiar with the ten best fingerprint screen lock app options out there.

Let’s start our listicle by exploring some of the best fingerprint scanner lock app options available on the Google Play Store.

1. Fingerprint Pattern App Lock

The Fingerprint Pattern App Lock app will be an ideal solution to safeguard your privacy. Besides locking your mobile screen with fingerprint, pattern, and pin code, it can also lock Facebook Messenger, Snapchat, Instagram, Whatapps, Chrome, or any other apps!

• Full customization
• It doesn’t require the rooting of the Oppo A18 device
• Can lock settings, calls, browser, play store, and more
• Freely available with no ads
• Supports Android 4.1 and up

Rating: 4.2

Download Link: Fingerprint Pattern App Lock

2. AppLock: Fingerprint & PIN

From social media apps to your gallery, this finger lock app can protect almost everything on your device. It comes with tons of features like app time-out, fake crash screen, the inclusion of PIN, and more. All of this can be customized from its settings as well.

• It can capture the picture of the intruder
• Provides a fake crash screen to hide that the app that has been locked
• Different themes for the lock screen
• It has an improved lock screen engine
• Contains in-app ads
• Supports Android 4.0.3 and later versions

Rating: 4.0

Download Link: AppLock: Fingerprint & PIN

3. FingerSecurity

As the name suggests, this fingerprint screen lock app can help you attain complete security on your device with your fingerprint. Besides all the popular apps, you can even lock widgets and settings with it. It can also capture the picture of the intruder, letting you know if your device has been tampered with.

• You can set a fake crash screen for the protected apps
• It can protect notifications from the selective apps as well
• Users can unlock multiple apps at once
• Can set alternative PINs if the fingerprint is not recognized
• Supports Android 4.3 and up

Rating: 4.2

Download Link: FingerSecurity

4. App Lock - Real Fingerprint Protection

If you are looking for a lightweight and secure fingerprint lock app, you can give this option by Kohinoor Apps a try. It can lock any app of your choice and protect your settings as well.  In this way, you can keep intruders away and level up the security on your device.

• It can include PIN and password protection with your fingerprint
• The app sends immediate alerts with an intruder selfie support
• It can also lock system apps, settings, browser, gallery, and more
• Contains in-app purchases and ads
• Supports Android 4.1 and later versions

Rating: 4.2

Download Link: App Lock - Real Fingerprint Protection

5. SpSoft Fingerprint AppLocker

Halt your quest for a complete fingerprint app right here. One of the best finger lock app options out there, it comes with tons of features that will fulfill your security needs. Besides locking all the major apps, settings, and more with your fingerprint, it also has a notification lock and a fake screen feature.

• Lightweight and easy to use
• Supports multiple languages
• It can also be used to reset a lost password
• Contains in-app ads and purchases
• Supports Android 2.3 and later versions

Rating: 4.4

Download Link: SpSoft Fingerprint AppLocker

6. AppLock by DoMobile Lab

One of the best fingerprint app lockers, it is already used by more than 100 million users worldwide. Even though it locks apps via passwords and PINs, it also provides dedicated support for the fingerprint scanner and locking mechanism. It provides full customization support with the availability of various themes.

• Random keyboard with an invisible pattern lock
• It has an inbuilt power-saving mode
• Users can customize profiles for each app
• The app supports all the major languages
• Compatible with all the leading Android versions (including Android 8.0)
• Contains in-app purchases

Rating: 4.4

Download Link: AppLock by DoMobile Lab

7. LOCKit

LOCKit is a complete security app that can help you protect your photos, apps, notifications, and more. It also comes with a photo and video vault to protect your media files. You can fool any intruder with a fake crash screen and capture their photo as well.

• Full customization of fingerprint lock with PIN and password
• Multiple language support
• Can lock incoming calls and customize the notification bar
• Photo and video vault
• Requires Android 2.2 and later versions

Rating: 4.6

Download Link: LOCKit

8. Fingerprint Locker

The fingerprint lock app is compatible with all the Oppo A18 devices running on Android Marshmallow and later versions. It is a lightweight app that utilizes a minimum battery. It might not have all the advanced features, but it certainly provides a basic solution to lock apps with your fingerprint.

• Can lock all the popular apps with your fingerprint
• Lightweight and fast
• Freely available with no ads
• Runs on Android 4.2 and later versions

Rating: 3.6

Download Link: Fingerprint Locker

Pro Tips: Unlock Your Android Phones When You Forgot the Fingerprint

Setting a fingerprint lock or PIN, password, pattern, or even FRP lock on an Android phone is a common way to prevent our important data or private info from being prying eyes. However, if you forgot the fingerprint, or get your Android phone broken with a screen cracked, and enter the wrong password several times, you will be stuck on the problem and won’t be able to access your phone and all the apps on the Oppo A18 device. Don’t be too worried. Dr.Fone - Screen Unlock (Android) provides you with an Android phone unlocking feature to unlock any phone fingerprint and any screen locks, including numeric password, pattern, 4-digit/6-digit/custom PIN, fingerprint ID, face recognition, etc.

Dr.Fone - Screen Unlock (Android)

Get into Fingerprint Locked Android 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

4,008,670 people have downloaded it

Conclusion

When you know about all the popular options for the fingerprint screen lock app, you can simply choose an ideal choice. Go ahead and download the fingerprint lock app of your choice and provide an added layer of security to your device. Out of all the listed options for the fingerprint app, which one is your favorite? Let us know about it in the comments.

How Can We Unlock Our Oppo A18 Phone Screen?

A phone lock acts as your Android phone’s shield against unauthorized users. Some users have new security features, such as fingerprint impression unlocks for an Android lock screen.

However, certain people like to create a PIN and password on their Google account as their Android screen lock. It tends to be distressing and tedious when you fail to remember the code of your Android phone. Surprisingly, being fully locked out of your device is awful. Also, it can be hard at first to unlock your Android.

Anyway, no one can escape such a situation. Yet, sit back and relax! We know several techniques on the best way to unlock your phone and set a screen lock. You can attempt software like Wondershare Dr.Fone - Screen Unlock for Android to assist you with unlocking your phone in a couple of steps. Besides this, there are various other ways.

Part 1: What Is Your Oppo A18 Phone Lock System?

There are three types of standard lock types available for Android. You can set a PIN/password, fingerprint, or a pattern as your phone lock. All have their pros and cons. However, everyone should select the ideal one based on their liking and ease of use.

Once you decide on the phone lock type, you can enable or disable them from the Security tab in your Android phone’s settings. After you set a screen lock, your Android will require it every time you try to open your device.

Here you will see how to set up a screen lock on your Android device:

Part 2: Quickly Unlock Your Screen By Dr.Fone

Dr.Fone - Screen Unlock

For a quick, easy, and hassle-free unlocking experience, we suggest you download Dr.Fone - Screen Unlock. Dr.Fone not only unlocks your phone but keeps your data secured during the process. It has a simple interface, and even an amateur can use it to unlock their device.

So, look no further if you want to remove your Android screen lock in just a few clicks. Install Dr.Fone and enjoy using your device again.

Dr.Fone - Screen Unlock (Android)

The Best Tool to unlock Android Phone Screen!

• 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 success rate.

4,008,672 people have downloaded it

Step 1. Open Dr.Fone on your PC and select the “Screen Unlock” tool.

Step 2. Select Unlock Android Screen

This is the page to start your unlock process with two options here, please select” Unlock Android Screen” to unlock your device screen.

Step 3. Select device model

For most Brands, it should be “100% Remove Screen Lock”. These two solutions unlock screens for almost all Android devices, for example, Samsung, Huawei, OPPO, Vivo, Lenovo, LG, etc.

In the supported device brands list, please find the right one for you.

Step 4. Enter into Recovery Mode

Before unlocking your device screen, the instructions below are here to help you to get into Recovery Mode. We take 3 Samsung phones as an example.

Get into Recovery Mode on Samsung phone with Bixby:

Get into Recovery Mode on Samsung phone without Bixby:

Get into Recovery Mode in Samsung phone with Home Button:

Step 5. Instructions to Wipe Cache Partition

During the steps in Recovery Mode, please don’t pick the wrong choices!

You’re now able to access your Android device again when the whole process is over. And you no longer need a password or pattern!

Part 3: Solutions to Unlock Android Screen

1. Google Find My Device

Step 1: Open the “Find my Device” webpage from a browser on your PC.

Step 2: Click “Erase my device,” which you will see on the left half of your screen. After affirming the Delete capability, your phone will boot into recovery and begin playing out a production line reset. It is difficult to stop or drop on your android gadget when you endorse this activity. Regardless of whether you shut down your Android phone - the reboot will continue on startup.

2. Recovery Mode

Depending on your phone, the steps for this process might vary a little. Most phones will allow you to reset by getting to the recovery mode. Follow the steps below to remove the Android screen lock:

Step 1: Turn on the Oppo A18 device and enter the boot menu. If you want to know how to do so, you can do a speed search on the internet.

Step 2: Access the safe mode, use the volume keys to navigate, and press the Power key to click.

Step 3: Search for the Wipe Data option and select it.

After that, your Android will start the process, which can require a few minutes. However, this process will erase all your user data.

3. Use ADB

This method is very confusing, so follow the steps cautiously on your Android phone to remove the phone lock. With your phone connected to your PC, and the cmd open, type the accompanying commands altogether:

• adb shell
• disc/data/data.com.android.providers.settings/databases
• sqlite3 settings.db
• update system set value=0 where name=’lock_pattern_autoblock’;
• update system set value=0 where name=’lockscreen.lockedoutpermanently’;
• .quit

After you’ve finished this, reboot your Android phone. If this doesn’t reset your lock screen, proceed to the following stage.

With your Android phone connected and the cmd opens, enter:

• abd shell rm/data/system/gesture.key

After entering, reboot your phone once more.

4. Boot into Safe Mode

Step 1: For most phones and your Android, you can do this by opening the power menu and holding the “Power Off.” A message will spring up on your screen, asking whether you might want to Reboot to Safe Mode. Press Ok.

Step 2: Clear data from your lock screen application, uninstall and reboot your phone to escape the Safe mode. When you do so, your Android screen lock will unlock.

5. Crash Lock Screen

This strategy to sidestep a locked screen is only a crisis workaround for the phones in this classification.

• Enter ten asterisks (*) through the dialer application.

• Copy and paste asterisks on the dialer until the “Paste” choice no longer appears.
• Get back to the lock screen and tap on the camera symbol.
• Go to the settings on your Android after pulling down the notifications bar. Now you will have the chance to enter the password, and you must continue the same thing here. Continue to paste until the Android lock screen crashes.

Conclusion

Passwords shield our phones from unapproved access, yet we get locked out unexpectedly on our phone lock. Failing to remember your PIN can be irritating. However, we can assist you in reaccessing your locked phone without a factory reset by using Dr.Fone - Screen Unlock. Dr.Fone is an expert in solving such problems in just a few minutes. So download this expert tool immediately for a quick solution.