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.

How to Unlock Oppo A18 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 Oppo A18 device, or if you wish to have other controls like installing applications which are incompatible, to have the Oppo A18 device bootloader unlocked. But going through with the process of unlocking bootloader and rooting the Oppo A18 device will not help and rather might break the warranty of the Oppo A18 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 Oppo A18 device speed and battery life and also help in making complete backups of the Oppo A18 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 Oppo A18 Bootloader

Oppo A18 is the flagship device of HTC by all means. With a world of features and offerings, Oppo A18 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 Oppo A18 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 Oppo A18 device is fully charged or atleast 80% mark. Make sure you have the fastboot drivers for the Oppo A18 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 Oppo A18 device completely as bootloader unlocking process will wipe all the data off. So, backup all the data like photos, contacts, multimedia files, documents, etc.

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.

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.

After selecting the Oppo A18 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 Oppo A18 device in bootloader mode. Disconnect the Oppo A18 device from the PC and turn the Oppo A18 device off completely. Press the volume down button along with the power button to switch the Oppo A18 device on in bootloader mode.

Step 5: Use the volume keys of the Oppo A18 device to select Fastboot option along with pressing power button to confirm, after the Oppo A18 device is in bootloader mode. Now, connect the Oppo A18 device to the computer using a USB cable.

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. Oppo A18 will show up in the command prompt.

Note: The drivers have to be installed correctly to see the Oppo A18 device in the command prompt. So, if the Oppo A18 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 Oppo A18 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 Oppo A18 , one message will appear asking if you want to unlock the Oppo A18 device bootloader.

Use volume keys to select and power button to confirm. Once this is done, the Oppo A18 device will restart once and it’s done. The device is now bootloader unlocked.

How To Easily Unlock Oppo Screen?

If you’ve ever had a Oppo phone, then you know that their screens are locked by default. It can be a pain if you want to access your messages or change your background image quickly. If you just set your Oppo password, screen lock code, pattern lock, or PIN last night or a few days ago, you are most likely to forget it.

The result is that you have locked out of your phone, and you have to reset your device’s password. But fortunately, there’s an easy way to unlock your Oppo screen without entering any passwords. You can have your phone up and running in a few simple steps without contacting customer service.

So don’t wait any longer - read on for instructions on how to unlock the Oppo phone pin code.

Let’s get started!

4 Easy Ways To Unlock Oppo Screen

Like most people, you probably lock your Oppo phone as soon as you turn it on. It’s a good way to keep your phone safe from prying eyes and accidental button presses. But what happens when you forget your phone’s passcode? Or worse, what if your phone gets locked by a malicious app?

There are a few different ways to unlock your Oppo phone. We’ll show you how to do it.

Method 1. Google Find My Device (Without Password/Pin/Pattern)

If you’re like me, you’ve probably tried a million different ways to unlock your Oppo phone, only to be frustrated by the results. Luckily, there’s an easy way to unlock your Oppo phone using Google’s Find My Device feature.

Google will use your location, phone information, and connection log to find your Nokia.

Follow these steps to unlock the Oppo lock screen password without losing data:

• Step 1: Sign into your Google account and navigate the Find My Device website.

• Step 2: Sign in with your Google account, which you used on your locked Oppo phone.
• Step 3: The Android Device Manager dashboard will show your locked Oppo with three options: Ring, Lock, and Erase.
• Step 4: Simply click on “Lock”.
• Step 5: Enter a password that is not your Google account password in the “New Password” field.
• Step 6: Type the new password in the “Confirm password” field. This password lock will replace the current lock screen.
• Step 7: You can leave the “Recovery message” field empty or type anything in it.
• Step 8: Enter another phone number in the “Phone number” field, although this is optional.
• Step 9: Choose “Lock” after entering your password and filling out the optional fields if you wish.
• Step 10: If the process is successful, you will receive the unlock code within a few seconds.
• Step 11: Navigate to the “Screen Settings” menu after unlocking your device.
• Step 12: Use a new password; you can use the temporary password if you want.

You can use it to unlock your Oppo if you have activated the Android Device Manager or Google Find My Device before your phone was locked.

A few conditions, however, must be met for this to work

• You must turn on your Oppo phone.
• Before locking your phone, you must activate Google Find My Device or Android Device Manager.
• You must have your Oppo GPS turned on to use it.
• You must be connected to WiFi on your device to log into your Google account.
• Your phone needs to be set to location.

Method 2. Unlock Oppo Lock Screen With Hard Reset

If you perform a hard reset on your Oppo lock screen, all data, and user information will be erased, including your screen lock, password, pattern lock, and PIN.

Follow the steps below if you want to know how to unlock the Oppo phone keypad with the hard reset, follow the steps below.

• Step 1: Turn off your Oppo phone.
• Step 2: Press the “Volume down” and “Power key” buttons simultaneously for a few seconds.
• Step 3: Press the “Volume Up” and “Power” buttons for a few additional seconds once the screen darkens.
• Step 4: Release all buttons and keys if you did step 3 correctly. Once you release all buttons, you’ll see a dark screen with options.
• Step 5: Choose “Wipe data/factory reset” from the menu, using “Volume Up” to scroll up, “Volume Down” to scroll down, and “Power” to select.
• Step 6: From the Android Recovery screen, select the “Yes” option by pressing the “Volume Down” button and the “Power” key.
• Step 7: With the “Power” key, select “Reboot system now” from the next display.

Your Oppo is now password, pattern lock, screen lock, and PIN-free after a hard reset.

Method 3. Unlock With Answer Security Questions

You can reset the Oppo pattern lock using Google security questions without losing data.

Follow the steps below on how to unlock the Oppo phone pin code:

• Step 1: Power on your Nokia.
• Step 2: Press “Forgot pattern” several times until you see “Forgot password”.
• Step 3: Click on “Forgot pattern” to access the unlock screen.
• Step 4: Enter your Google account details or answer questions to unlock the screen. Select “Answer question”.
• Step 5: Enter your exact security answers and tap the “Unlock” button.
• Step 6: Choose “YES” from the “YES” or “NO” menu, and the password field will appear.
• Step 7: Change your password or PIN.
• Step 8: You will see your Oppo unlocked soon.

Method 4. Unlock the Keypad With a Security Code

You could reset your Oppo lock screen phone using the default security code, even if you haven’t set any security code. Here’s how to quickly unlock the Oppo lock screen security code.

• Step 1: Shut down your device.
• Step 2: Press these buttons in the following sequence on a classic phone.

Call button (green button) + Asterisk key (*) + Three (3)

• Step 3: Your screen displays a Formatting message when you press these keys.
• Step 4: Wait for the formatting to complete before releasing the keys.

o 12345.

Conclusion

If you have a classic-style keypad phone or an Android device, unlocking a locked Oppo phone keypad is not easy. However, we believe that every problem has a solution. You can unlock Oppo Android phones using any of the methods listed above.

Tips: Wondershare Dr.Fone is a tool that helps you keep your important data safe. It can back up all the important information on your Oppo phone, like photos, music, videos, contacts, and more and is compatible with over 8000 Android devices. The backup process is easy and only takes a few clicks. You can also restore your backup to any device you want, and choose which data you want to restore. This is a great way to make sure you never lose your important Oppo data!

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