How to lock the app on an Android phone, and how can I open it if the Android system is locked?

Nowadays, many Android phones have their own fingerprint module, which can realize advanced functions such as locking apps with fingerprints. However, for those old phones that don't have fingerprints, or users who don't like fingerprint features, how to make Android phones get a safe and cool program lock function?

"Lockdown Pro" is one of the best program encryption software in the Android system, and when we run it for the first time, we need to set a password for this APP, and you can choose traditional numbers, patterns, or novel calculators or even time (for example, the current time is 13:12, then the password is 1312) unlock method (Figure 1 2). Next, we simply check the programs that need to be encrypted in the list of programs, and then we only need to enter the password we set when we run them again in the future (Figure 3).

Figure 1, Figure 2, Figure 3 are different.

Some students may say, such a simple function is supported by many apps? And the peculiarity of Lockdown Pro is that we can just tick the "Basic Applications."

can prevent the encryption of Lockdown Pro or all encrypted apps from being forcibly uninstalled, or forcibly disabling by functions such as one-click memory cleaning (Figure 4). The purpose of this feature is to prevent the phone from being deleted or accessed into the system settings when it is lent to friends or played with children.

How to lock apps on Huawei phones.

If you are using a Huawei phone, take a Huawei P40 phone as an example:

Go to Settings > Security > App Lock > On, set the App Lock password and select the Lock app.

If you have set up face or fingerprint unlock, you can also associate the app lock with your face or fingerprint according to the prompts in the pop-up box, and enter the app by swiping your face or fingerprint.

The method is as follows: 1. Turn off the mobile phone, press and hold the [Volume +] button, [Home] button and [Switch] button, wait until the screen lights up, release the [ON key] until the recovery interface appears.

2. After entering the following interface, use the [Volume-] button to select "Wipe Date Factory Reset", and press [On] to confirm.

3. Press the [Volume +-] button, select "Yes, Dalete All User Date", and press [On] to confirm the start of the cong.

4. After the previous step is finished, return to the recovery interface at the beginning, select "Reboot System Now", and press [On] to confirm.

5. After waiting for the reboot to be completed, all passwords are cleared, and the phone can be used normally.

6. Translation table.

The locking machine is divided into three types: 1There is no point "activation" to be locked, this situation can be unlocked by restarting, and the battery can generally be deducted, and the non-removable battery can be forced to restart! Force Restart Method:

Generally, mobile phones press and hold the power button at the same time and the volume plus button for 5-20 seconds, some Samsung mobile phones are the power button + home button volume reduction, and even some mobile phones are the power button home button, and it is OK to uninstall it after restarting! If the reboot cannot be cleared, the bridge can be solved in safe mode. In safe mode, only key system components can run, so go to the setting of the absolute excitation - uninstall the software in the application, and solve it perfectly.

How to enter safe mode: Press and hold the power button for 2 seconds when turning on the device, release the power button, and press and hold the volume down button until the power is turned on. Go to Settings app to uninstall the software.

It's as simple as that.

The solution to the Android phone forgetting to unlock the picture wheel cover case 1, install "Master Zhuo" on the computer. 2. After installation, connect the mobile phone to the computer, open Master Zhuo, and confirm the successful connection (no Android machine, after the connection is successful, the homepage of Master Zhuo will be displayed). 3. Open the bad manuscript utility in Master Zhuo.

4. Utilities --- advanced tools --- clear lock screen password. 5. A window appears and the window prompts "Master Zhuo did not detect the password in your device settings" and click OK. 6. Turn on the phone, the unlock pattern interface appears, and you can enter the main interface of the phone by drawing a pattern at will.

7. Modify the unlock pattern.

Questions. He can't unlock it.

The boot password of the mobile phone refers to what to do if you forget it, turn off the mobile phone, press the stool key and the volume key at the same time, the mobile phone will shut down, some mobile phones need a password to turn off, and when the power is exhausted, you just need to select the factory setting button, press the power button to confirm, but this kind of operation may be inside the mobile phone, important documents may be lost, and individual mobile phones should be taken to the repair shop to solve.

1. First of all, you need to turn on your phone, find the settings option, and tap on it. As shown in the figure below:

2. In the settings interface, find the corresponding security option and click on it. As shown in the figure below:

3. After entering the security settings of your phone, find the corresponding option of the app lock and turn it on. As shown in the figure below:

4. Enter the double lock of fingerprint, face and password for verification. As shown in the figure below:

5. On the next interface, turn on the app lock switch. If you set it up like this, you won't be able to see the chat messages even if you take your phone away.

You can cancel it in the settings of your Huawei phone, and the method of canceling it is as follows:

1. Turn on your phone, find Settings, click to enter, and find Security & Privacy.

Summary. There are many ways to unlock an app, and here are a few common ones:1

Use Device Manager: You can use Device Manager to unlock apps, just find the app in Device Manager and tap the "Unlock" button. 2.

Use a third-party app: You can also use a third-party app to unlock an app, such as App Lock, just find the app in App Lock and tap the "Unlock" button. 3.

Use System Settings: You can also use System Settings to unlock the app, just find the app in the System Settings and tap the "Unlock" button. 4.

Use security software: You can also use security software to unlock apps, such as 360 Security Guard, just find the app in 360 Security Guard and click the "Unlock" button. The above are a few common ways to unlock apps, and you can choose the right method to unlock apps according to your needs.

Personal tip: Be careful not to lock the app when using it to avoid unnecessary trouble.

1.Find "Security" in the settings, then tap "App Lock", find the app you want to unlock, and click the "Close" button on the right to unlock the app. 2.

If you're using a third-party app lock software, you can find it in the settings and click the "Uninstall" button to unlock the app.

I'm sorry I don't understand, but can you elaborate on that?

There are many ways to unlock an app, and here are a few common ones:1Use Device Manager:

You can use Device Manager to unlock apps, just find the app in Device Manager and tap the "Unlock" button. 2.Make use of third-party apps:

You can also use a third-party app to unlock an app, such as App Lock, just find the app in App Lock and tap the "Unlock" button. 3.Use System Settings:

You can also use the system settings to unlock the app, just find the app in the system settings and tap the "Unlock" button. 4.Use security software:

You can also use security software to unlock apps, such as 360 Security Guard, just find the app in 360 Security Guard and click the "Unlock" button. The above are a few common ways to unlock apps, and you can choose the right method to unlock apps according to your needs. Personal Tips:

When using the app, you should pay attention to not locking the app, so as not to cause unnecessary trouble.

Add "locks" to private applications such as chat and payment to effectively prevent unauthorized access by others. After the app lock is associated with a face, you need to verify it again when it detects a change in the face under good light to intelligently protect your private content.

1.Enable App Lock.

Go to Settings > Security > App Lock > On, follow the on-screen prompts to set the App Lock password and select the Lock app.

If your letter supports fingerprints and faces and has been entered, you can also associate the app lock with a face or fingerprint according to the pop-up prompts, and enter the app by swiping your face or fingerprint.

2.Enable App Lock Smart Protection.

After you set an app lock for a private app and associate it with your face, the phone will automatically enable the app lock smart protection feature. When a change in the face is perceived (such as in scenarios such as others using it), the exited app will be automatically locked, and the owner of the machine needs to be re-verified to enter when the limb is opened again. This feature is best experienced in good lighting.

Please select one of the following methods to associate a face with the App Lock to enable the App Lock Smart Protection feature:

1) If you have set the face unlock function for your phone, you can associate your face with the pop-up prompts during the process of turning on the app lock, and the smart protection function of the app lock will be automatically enabled.

2) If you have not set the face unlock function for your phone, you can go to Settings > Biometrics & Password > Face Recognition, and enter the Face Recognition interface according to the prompts. Then enable the access app lock switch to associate the face with the app lock.

The following is how to set up the software encryption

1. Origin OS iqoo UI FunTouch OS and above:

1) Enter i Butler - Utilities - Privacy Protection - Apply Encryption - Apply Encryption Liang Yefeng - Turn on the switch after the software to encrypt the software.

2) Go to Settings - Fingerprint, Face & Password Fingerprint & Password Face Ridge Key & Password - Privacy & Application Encryption - Apply Encryption Rubber - Turn on the corresponding switch behind the software to encrypt.

2. Funtouch OS is as follows: Enter i Butler - Software Management - Software Lock - Click the corresponding lock icon behind the software to encrypt. (Privacy password and password need to be set).