1. What to do if you forget your password after updating the system on your Huawei mobile phone

What to do if you forget your password after updating the system on your Huawei mobile phone:

Tools and Materials

Huawei mobile phone

Method steps

① When the power of the mobile phone is not less than 20, turn off the phone. In the off state, press and hold the volume up and down keys and the power key at the same time. Press and hold the volume up and down buttons for more than 10 seconds. At this time, the phone will enter the recovery mode, as shown in the figure:

② Select the "Restore Factory Settings" item in the interface, and then use the power button to confirm , the phone will automatically start to perform a factory reset through double clearing. As shown in the picture:

③After completion, restart the phone." After completing the factory settings restoration, you can enter the phone.

2. Please help, what should I do if I forget the lock screen password after the phone system is updated? Do

If you forget your mobile phone screen lock screen password, it is recommended that you refer to the following:

1. If the pattern/signature unlocking method is set, you can use the settings when drawing the unlock pattern/signature PIN code to unlock. Operation:

1). Enter the incorrect unlock pattern five times, and the prompt message "Please try again in 30 seconds" will be displayed on the screen. Click "OK". Click "Backup PIN" (forgot password) in the lower right corner of the screen, enter the previously set PIN password, and click OK

2). If it is a signature unlocking method, enter five incorrect signatures. , a prompt to enter the PIN code will appear on the screen. Enter the previously set PIN password and click OK.

Tip: The PIN code prompted when unlocking is the backup you set when setting the pattern lock, etc. Password.

If it is invalid, the backup PIN password is forgotten, or it does not meet the above requirements, please send the machine to the nearest service center and an after-sales engineer will help you unlock it safely

3. . What should I do if I forget the lock screen password of the mobile phone upgrade system?

If you forget the password or pattern, you can use this method to remove it. You don’t need to flash the phone. As long as you flash the phone, you need to format the phone. All the data in the phone Everything is gone.

First, turn off the phone and hold down the volume button (the one that turns up the volume), the power button, and the middle button at the bottom of the screen. The English interface will appear in about 3 seconds. Release all the buttons, find wipe data/factory reset (meaning: wipe data, restore factory settings), press the volume button to adjust to this line and press the middle button at the bottom of the screen to confirm, enter the next English interface, find yes-- Delete all user data (meaning: yes - delete all user data), press the volume button to move to this line and then press the middle button at the bottom of the screen to confirm, the data will be deleted, and after about thirty seconds, a message will appear The green robot in the Android system means that the data has been deleted. Clicking on the robot will immediately restart the system and restore it to exactly the same as when it left the factory. The password will be solved. You can install all the software by yourself and the games will be gone. However, your phone number and photos will still be there. Now, Android is so considerate, no wonder everyone likes it, like it!

4. What to do if you forget the password to unlock your Android phone?

Method 1:

Turn off the phone completely. If you can remove the battery, just remove the battery. If you can't remove the battery, like HTC phones, press and hold the volume up and power button together until the screen goes completely black.

The phone enters recovery mode (Samsung). For many mobile phones, you press the home button and the power button together, and many of them press the volume down button and the power button together. Each mobile phone method is different, so you can search for the recovery method of your mobile phone according to your own situation)

After entering recovery, select wipe date and wipe cache.

After completion, select reboot system to automatically shut down, then boot into the system, everything is ok!

Method 2:

The way to enter recovery on htc mobile phones is a little bit different no the same.

Press the volume down and power button together, and then enter fastboot mode

Use the volume down to select recovery mode, and then press the power button to enter

If you have not flashed the machine For mobile phones, a triangle symbol and an exclamation point are displayed on the screen (those who have swiped the third-party card package system will directly enter the recovery)

Then press the volume up button and the power button together and release

Then select wipe date and wipe cache and select reboot system after completion.

ok, unlocked successfully.

The following two methods are for mobile phones that can connect to computers, that is, mobile phones that have originally enabled u *** debugging. Download the flash wizard on the computer, install it and then proceed with the following operations.

Method three:

This method requires root permissions for mobile phones.

Run the flash wizard and connect the phone to the computer.

Flash the machine wizard and enter the utility tool.

Click to clear the lock screen password (or restore factory settings). Pay attention to the phone screen. If authorization is requested, be sure to click 'Yes' to grant the highest permission.

Wait for automatic completion, and it will be ok if it prompts success

Method 4:

This method does not have root permissions for mobile phones.

Run the phone wizard and connect the phone to the computer

Enter the flash wizard into the utility tool

Click to enter the recovery mode

Then follow the same method as method one. 2. Perform double wipe: wipe date and wipe cache. Then reboot the system and it will be ok

Forgot to retrieve the lock screen password

First remove the battery of the phone, wait for more than three seconds, then put the battery back, and at the same time press "Volume Up" ” and “Power button” and hold them for more than 10 seconds, the phone automatically enters Recovery mode.

In Recovery mode, use the volume up and down keys to select the "Wipe Data/Factory Reset" item, and then press the "Power key" to confirm the operation.

Then the "" window will pop up, use the volume up and down to select "YES, Delete all User Date" (clear all user data), and press the "power button" to confirm.

After the clearing operation is completed, use the volume. Select the "Reboot System now" item up and down, and press the "power button" to confirm. Then the phone will automatically restart and enter the desktop.

There are unpredictable circumstances. . If the phone cannot enter the desktop accidentally, the only option is to re-flash the phone. It is recommended that you use the original ROM package first, then connect the phone to the computer via a USB data cable, and turn on the phone at the same time. "U disk" function, so that you can copy the ROM package to the SD card.

Obtain the latest firmware package program from the official website and download it. After the firmware package is downloaded, unzip it and copy it. Copy the "dload directory" to the SD card. After the copy operation is completed, the directory structure of the firmware program in the SD card is: "/sdcard/dload/UPDATE.APP.

Reinstall the SD card. Then turn on the phone. Press and hold the "Volume", "Volume-" and "Power button" at the same time until a bunch of English and a moving red progress bar appear. This indicates that the phone firmware is being upgraded. Do not perform any other operations at this time and wait for the upgrade to complete.

After the progress bar reaches full and stops, the phone will automatically restart. If the phone does not restart automatically at this time, you need to manually remove the battery and then install it again to turn the phone on. At this point, the phone has been restored to factory settings, so it can enter the desktop normally.

5. What should I do if I forget the password I entered after upgrading the Huawei mobile phone system?

1. Shut down the phone first, then press the volume up and power keys at the same time to enter Recovey mode, and perform double clear (in Recovery interface, select Wipe data/factory reset (wipe data area) and Wipe cache partition (wipe cache area) operations.

2. If it still cannot be used after the above processing, it is recommended to download the ROM and flash program from the official website and try to flash the phone.

3. If the above method is invalid or cannot be turned on, it is recommended to send the phone to the official after-sales service center, and engineers will help check and deal with it.

Frequently asked questions about Huawei mobile phones

1. Computer connection problems

There is no response when the mobile phone is connected to the computer. I believe this is a common problem that many netizens encounter when they first buy a mobile phone. The problem, in fact, can be solved simply by setting it up.

First, enter "Settings", then click the "About Phone" function multiple times until the "Developer Mode" of the phone is activated, then click to enter "Developer Mode" and change "u *** Debugging" function is enabled. At this time, the phone is connected to the computer again, and the connection is successful!

2. Application installation problem

This problem is also common. When you want to install an application on a newly purchased mobile phone, the system prompts "The application cannot be installed." In this regard, you can use the following settings Method to solve:

Also enter "Settings", click "Advanced Options", then select "Security", and finally turn on "Unknown Sources" to solve the problem of being unable to install;

3. The problem of touch screen not working

When using your mobile phone, if you find that the touch screen is not working very well or is unresponsive, you can solve it by the following methods:

After entering "Settings", click "Advanced Options", then click "Accessibility", and then turn off "Magnification Gestures".

6. After upgrading the phone system, I forgot the phone unlock password, and then forgot the Huawei account after factory setting.

The premise is that you have an account and the phone retrieval function is turned on. You can find it through the phone. Go back to reset the boot and lock screen password. Use a borrowed computer to log in to any Huawei website ~ Huawei Cloud with a Huawei account. Follow the prompts by retrieving the phone page. First locate and then remotely ~ lock the phone. After successfully resetting the password, you can use the new password to boot the phone and then set the lock screen password.

If phone retrieval is not enabled, only factory settings can be restored, but the phone data will also be cleared.

Steps to restore factory settings.

1: Turn off the phone first

2: After completely shutting down, press and hold the volume up button, volume down button and power button of the phone at the same time. Do not let go. You will enter recovery after a while. In recovery, the volume button indicates selection and the power button indicates confirmation.

3: After entering the recovery mode, just choose to restore the factory settings. Regardless of whether your phone comes with the recovery system or a third-party recovery, as long as there is a wipe data/factory reset (the Chinese version is: Wipe all data/restore factory settings) This one is enough

4: Press the volume button of the phone to select wipe data/factory reset (the Chinese version is: clear all data/restore factory settings), and then Press the power button to confirm, and then select yes - delete all data (yes - clear all data)

If it still doesn't work, you can only spend money to go to the after-sales service point.

7. What should I do if I forget my password after flashing my phone?

You need to unlock your phone first before you can flash your phone.

Unlocking method one: Flashing

Re-enter the ROM. It allows you to eliminate the password lock you set, provided you know how to flash the phone.

Unlocking method two: double wipe

From the professional perspective of flashing enthusiasts, it can be considered as an operation of erasing mobile phone data. The more professional answer to what wipe means is: wipe means restoring factory settings, including deleting all contacts, text messages, installed software, etc. Commonly known as hard reboot, restoring factory settings. Note: app2sd and root permissions need to be redone after wipe. Moreover, the important partitioning steps of app2sd must be repeated. Double wipe means double wipe means clearing cache and memory data.

Unlocking method three: Use adb to delete the forgotten lock screen password

Operation steps:

Connect the phone to the computer, do not open the data connection, and proceed in charging mode .

After unzipping adb.zip on your computer, place the adb file in the root directory of drive C on your computer.

Carry out the operation in the figure and delete the *.key file.

Enter adb reboot or manually restart the phone to take effect.

1. Go to Applications--Development--Turn on USB debugging on your mobile phone.

2. Download the online flash rom package.

3. Download the flash tool package odin and unzip it.

4. Turn off the phone, then press and hold the volume down button, HOME button and power button at the same time, wait for 3 seconds, and the English interface will appear.

Press the volume up button to enter the green robot interface, which is the flash mode.

5. Open the odin flash tool. If the identification is successful, the ID: will be displayed in yellow. Select the corresponding flash package file.

6. Select start.

7. If a green progress bar appears in the upper left corner of the computer software, the flashing process is in progress.

8. When PASS appears, it means flashing is complete.

9. Turn off the phone and press and hold (volume up button, HOME button, power button) at the same time for about 5 seconds to enter 3E mode.

10. Press the power button to turn on the phone and the flashing is completed.