HS code-based commodity chain analysis

List of the table of contents of this article:

• 1,HS code-based commodity chain analysis How to switch Huawei to another system
• 2, How to change the system of Yijia mobile phone?
• 3, How to reinstall the mobile phone system
• 4, How to reinstall the system on vivo mobile phone?
• 5, How to switch the system on a dual-system mobile phone?
• 6, How to change the system of the mobile phone Unify

How does Huawei switch to another system

1. According to Baidu's experience, the method of switching between dual systems of mobile phones is as follows: set fingerprints in the main system first, and then type in the main system Open the settings. After entering the setting interface, click Security and Privacy, the page jumps to the Security and Privacy Interface, and click Privacy Space.

2. How to set the dual-system mode of Huawei mobile phone? Click [Privacy] in the mobile phone settings menu. Click the [Privacy Space] option. Click [Open] and set the privacy space password. You can enter two different desktops through the main space and the privacy space password.

3. The steps for Huawei to open another system are: click [Settings] on the mobile phone desktop, and then click the [Privacy] interface again after entering. On the [Privacy] interface, click the [Privacy Space] option. After entering, click the [Open] button. The first entry will prompt you to set the password. After the setting is completed, you can have a dual system.

How to change the system of Yijia mobile phone?

1. Open the mobile phone to enter the setting interface, and click to select the privacy option. In the privacy interface, click the system split. In the system split interface, click Create System split, enter the lock screen password, wait for about one or two seconds, and the system split is created. First, enter the mobile phone settings and click Security and Privacy.

2. Enter the "Settings" menu of the mobile phone, select "System Update", find the "Settings" icon in the upper right corner, click and select "Local Update".Select the firmware file copied to the mobile phone memory, and then click the "Install" button. Wait for the system update to be completed. The system update process may take a few minutes or longer.

3. Open the OnePlus 8t mobile phone and click Settings. Click the privacy option, click the system split option, and that's it.

4. Open the mobile phone to enter the setting interface, and click to select the privacy option. In the privacy interface, click the system split. In the system split interface, click Create System split, enter the lock screen password, wait for about one or two seconds, and the system split is created.

5. Step 1: Backup data. Before returning the hydrogen system, you need to back up all the data. This includes your contacts, text messages, photos, music, etc. You can use some third-party applications to back up your data, such as GoogleDrive, Dropbox, etc.

How to reinstall the mobile phone system

Back up the data in the mobile phone first, and click the "Backup Now" button. Enter the step of reinstalling the system. The data backup is done. Entering the step of reinstalling the system. Turn off the phone first. To turn off the iPhone, press the power for a long time, and then slide the screen to turn it off.

First of all, find and click the [Settings] icon according to the arrow in the figure below. Step 2 After opening the [Settings] window, click the [My Device] option according to the arrow in the figure below. In the third step, after entering the [My Device] page, click the [MIUI Version] option according to the arrow in the figure below.

Then we keep pressing the power-on key + volume increase + volume decrease three keys.Until the system prompts the update. After the updated interface appears, we just need to wait. The system will complete the installation automatically. After restarting again, you can enter the new system.

First, enter the vivo official website to search for the mobile phone model, click the resource download, find the corresponding firmware upgrade package of the mobile phone and click to download. After the download is completed, put the upgrade package into the root directory of the mobile phone USB flash drive or SD card. Note: The screen cannot be operated in recovery mode. The volume up and down keys can move the cursor, and the power button is the confirmation option.

It is estimated that it is because it has been jailbroken and clicked to restore the factory settings. The jailbroken mobile phone cannot click to erase all content and settings to restore the factory settings, and the infinite white apple will not be able to start up normally. Now it can only be restored by reinstalling the system by iTunes.

How to reinstall the system on vivo mobile phone?

1. Enter the system repair mode to reinstall the system: folding screen: expand the operation in the shutdown state, press and hold the "power key" and "volume up key" for about 5 seconds at the same time to enter FASTBOOT mode, press the volume key to select "enter RECOVERY", and press the power key to confirm entry.

2. First, enter the vivo official website to search for the mobile phone model, click the resource download, find the firmware upgrade package corresponding to the mobile phone and click to download. After the download is completed, put the upgrade package into the root directory of the mobile phone USB flash drive or SD card. Note: The screen cannot be operated in recovery mode. The volume up and down keys can move the cursor, and the power button is the confirmation option.

3. This is the Chinese firmware tutorial of the mobile phone: web link. At the same time, you can take your mobile phone to the service center to reinstall the system, enter the vivo official website--my--service outlet--select the province and city to inquire about the address and contact information of the local service center, or click the web link to search for the service. Heart address.

How to switch systems on dual-system mobile phones?

1. You can open the "desktop permanent bar left slide", "desktop two-finger up", "lock screen exclusive fingerprint", "set first-level menu", "other module entrance" and other entrances in the atomic privacy system--start security settings--privacy control--ent settings--entrance settings--open".

2. First, enter the system update interface.Press and hold the menu key on the system update interface, and then click to switch the system in the pop-up dialog box. Or turn off the mobile phone, and then press and hold the power button and the volume + key at the same time. After entering the recovery mode, click to switch the system.

3. According to Baidu's experience, the method of switching between the dual systems of mobile phones is as follows: set the fingerprint in the main system first, and then open the settings in the main system. After entering the setting interface, click Security and Privacy, the page jumps to the Security and Privacy Interface, and click Privacy Space.

How to change the system of the mobile phone

1. Set the fingerprint in the main system first, and then open the settings in the main system. After entering the settings interface, click Security and Privacy. The page jumps to the security and privacy interface and clicks on the privacy space.After entering the privacy space, click to enter. The password input box of the secondary system pops up on the page, and enter the password.

2. Click the transformer: long press the mobile phone desktop, and then click the transformer in the icon below. Click the icon indicated by the arrow: Click the icon indicated by the arrow in the pop-up window interface. Switch the mobile phone system: If the icons and text shown in the figure appear on the mobile phone, it means that the system has been switched.

3. Click [Settings] on the mobile phone desktop, and click the [Privacy] interface again after entering. On the [Privacy] interface, click the [Privacy Space] option. After entering, click the [Open] button. The first entry will prompt you to set the password. After the setting is completed, you can have a dual system.

4. Open the settings and click the user and account. Enter the user and account interface and click More Users.Enter the multi-user interface, you can set the visitor mode and click the visitor. Enter the visitor interface, set the visitor to allow calls, and set according to the needs.