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List of contents of this article:

• 1,Trade data-driven portfolio management How to restore the factory settings of the mobile phone?
• 2, How to restore Huawei mobile phone to the original system
• 3, How to restore the broken vivo mobile phone system?
• 4, How to restore the system of oppo mobile phone
• 5, How to restore the original system after Huawei mobile phone system upgrade

How to restore the factory settings of the mobile phone?

Two ways: (1) When the mobile phone is turned on, enter the mobile phone settings-store-menu and pull to the bottom, and click Restore Factory Settings.

Setting-- Reset/Backup and Reset (Account-Reset) - Restore Factory Settings (The setting method of some mobile phones is: Settings-Privacy-Restore Factory Settings). The machine will restart automatically after the operation is completed. Password prompt If you restore the factory setting prompt password, suggestion: If the mobile phone has set the lock screen password, please enter the screen lock password.

Open the settings on your mobile phone, and then click [System Management] below. Then click [Backup and Reset]. After entering, click [Clear All Data]. Then click [Format Mobile Phone Storage], and finally click [Clear Now] to restore the factory settings.

In order to avoid data loss, please back up the data in time before restoring the factory settings.

Restore all settings and clear all data: enter the settingSet--System Management/More Settings--Backup and Reset/Restore Factory Settings--Restore All Settings, Clear All Data. Enter the recovery mode, select to clear all data, and then restart the device.

Restore all settings: restore all settings in the system to the factory state, such as alarm clock, wallpaper, network settings, ringtone, etc. But the media files in the mobile phone will not be deleted.

How to restore Huawei mobile phone to the original system

1. Step 1: Open Huawei Mobile Assistant on the computer (Windows system) and click In the part indicated by the arrow in the lower left corner ("Huawei Mobile Assistant" + version number), click Upgrade in the pop-up box to upgrade Huawei Mobile Assistant to the latest version.

2. Backup data: Before restoring the factory settings, it is recommended to back up the important data of the mobile phone to avoid data loss. Enter the settings: Turn on the mobile phone and enter the "Settings" menu. Find backup and reset options: In the "Settings" menu, find the "System and Update" option, and then click "Backup and Reset" in "Advanced Settings".

3. Step 1: Connect the mobile phone to the computer's USB and authorize the computer to manage the mobile phone. Step 2: Click the following consent button in the pop-up box. Step 3: Click the "red dot" in the lower left corner, click Upgrade in the pop-up box, and upgrade Huawei Mobile Assistant to the latest 0.300 version. Step 4: Click System Update.

How to restore the broken vivo mobile phone system?

1. If the vivo mobile phone system is damaged, you can restart the mobile phone and hold down the lock screen key and the volume + key to enter the recovery mode to check whether there is a "system recovery mode" option. If there is this option, you can restore the system through this function. If not, it is recommended to take your mobile phone to v Ivo after-sales service center free flash recovery system.

2. Click to reset the mobile phone. If you only want to restore the initial system of the system, click Restore All Settings on the Restore Factory Settings interface. A prompt dialog box pops up on the page. Click Restore. After clicking Restore, the mobile phone will begin to restore the initial system. After waiting for a while, the mobile phone will restart automatically. After restarting, the mobile phone system will return to its initial state.

3. In system repair mode: you can connect the mobile phone to the wireless network to download the firmware to upgrade the package repair system (generally, this mode is only used when the system fails).

How to restore the system of oppo mobile phone

After upgrading the OPPO mobile phone system, the old version can be restored by restoring the factory settings. The specific operation steps are as follows: open the "Settings" icon on the mobile phone desktop.In the jumped page, select the "More" option under the "General" page. Click the "Restore Factory Settings" option at the top of the option.

After unlocking the mobile phone, find the setting icon on the desktop and open it. After entering the setting page, find other setting options and open them. On other settings pages that have been opened, find the restore mobile phone option below and open it. As shown in the figure, enter the restore mobile phone page, select the option to restore only the system settings, and click.

Start, first find the application "Settings" icon on the desktop of the mobile phone, and click to enter the new operation interface. Next, after the settings panel, select the "Other Settings" column and click to enter. After arriving at the panel of other settings, select the "Restore Mobile Phone" column and click to enter.

First of all, open the [Settings] App in the mobile phone.Step two, after entering the [Settings] page, slide down as shown in the figure below. Step 3 Click the [Other Settings] option according to the arrow in the figure below.

Press the power button with your hand, turn on the OPPO R9 mobile phone, and enter the settings. Next, in the setting interface, pull down with your hand and click to enter other settings. In other settings, find the restore mobile phone and click to enter. Then click to enter the restore system settings at the top of the screen.

Click the mobile phone desktop setting button. Enter the setting interface and find the system and update buttons. Enter the system and update interface and click the reset button. Enter the reset interface, including: restore all settings, restore network settings, restore factory settings. Click the factory reset button.

How to restore the original system after the upgrade of Huawei mobile phone system

First of all, we turn on the mobile phone and click "System" in the mobile phone settings. Then we click to open "Reset" in the pop-up window. Then we can return to the original version by clicking "Restore Factory Settings" in the pop-up window.

First of all, you need to enter the "recovery mode" of the mobile phone by holding down the "power key" and the "volume +" key at the same time until the Huawei LOGO appears and release it. Select the "Clear Data/Restore Factory Settings" option in the recovery mode, and then select "Yes" to confirm.

If you want to restore your mobile phone to the original system after rooting, it is recommended that you back up important data and take the purchased phone to the Huawei customer service center for maintenance.