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List of contents of this article:

• 1, Where are the Android phone system settings
• 2 
  、How to call up the Android system operation button for Android system operation
• 3 ,Nutraceuticals HS code verification Android mobile phone one-click flash change system detailed explanation
• 4, How to upgrade the system version of Android phone

Where is the system settings of Android phone

1. Open the main interface of the mobile phone and find the "Settings" application program on the main interface In order, click the "Settings" icon. You can see the system settings in the settings menu list. Click "System". Click "System" to enter the interface of system settings.

2. Press the mobile phone menu key, pop up a window, and click System Settings. Find "Developer Options" in the system settings and click on it. Now it's the "Developer Options" page. Now it's closed. Click the gray button to close. At this time, you will be prompted whether to allow development settings. Click OK.

3. Generally speaking, the settings of the mobile phone are in the settings menu.The position of the setting menu may be different for different mobile phone brands and models, but the setting menu of most mobile phones is at the top of the main menu.

4. First, unlock the Huawei mobile phone (take Huawei nova5i as an example), find the [Settings] option on the mobile phone desktop and click to open it. After opening the settings page, you can see all the function options of Huawei mobile phones. If you want to set the [Application] function in your mobile phone, click directly to open it.

5. In the mobile phone system settings, switch the language to Simplified Chinese. Open the settings in the mobile phone. In the settings, click the system settings. In the system settings, click the language. After entering the language page, click Simplified Chinese. In the prompt box, click Change to Simplified Chinese.

How to call up the Android system operation button to the Android system operation

Unlock the mobile phone, click the "System and Update" option in the settings. Click the "System Navigation" option on the system and update interface. Click the switch on the right side of "In-Screen Navigation" on the system navigation interface.

Method 1: Click the system and update options in the mobile phone settings. Select the system navigation option to enter. Just click the three-button navigation option on the screen. Method 2: Click More Settings in the mobile phone settings to enter. Find the full screen option at the bottom and click to enter.

Huawei's full screen defaults to gesture navigation. If you need to switch to three-key navigation, you can open Settings/System and Update/System Navigation Mode, and select the three-key navigation on the screen.Enter the setting interface, enter the main interface of the mobile phone, and click the gear setting icon. Enter the setting interface and click the system option at the bottom of the page.

If you use a vivo mobile phone, it refers to setting the virtual navigation key. You can enter the settings--system navigation/navigation key--check the "navigation key" to turn on the navigation key. If you have more questions, you can go to the vivo official website--my--online customer service--slide to the bottom--online customer service--enter manual customer service to consult and understand.

Open the mobile phone settings and click Notification. 2. Select the application and open it, and turn off the button that allows notifications. Notes: This demonstration of Android0.0. Operation method 01 Turn on the mobile phone, on the main page, slide from the top, you can enter the notification, switch bar and the brightness control button at the bottom, and you can choose automatic adjustment and manual adjustment.

Android mobile phone one-click flash change system detailed explanation

After completing the one-click flash, the mobile phone will automatically New start. At this time, the system has been updated, but all the data has been cleared. Therefore, it is necessary to restore the previously backed up data to the mobile phone at this time.

If you want to reinstall the system, you must first get your mobile phone.The highest permission, that is, you must obtain root permission before you can proceed to the next step. At present, the easy-to-use software is: Flash Elf, Baidu One-click Root, 360root, etc.

flash the Android phone, and first turn off the phone. Press and hold the volume down + power key to turn on the power button, enter the Recovery mode, then select the third item, and then enter and select yes to clear the data. Select the fourth item in the Recovery mode to clear the system cache data option. After entering, select yes to clear.

Open the browser and enter the name of the flash software in the search box to search. Next, I will take the flash elf as an example to explain. After searching, click the search results to download and install the software. Open Flash Genie, click Connect Now, and turn on the USB debugging mobile phone to connect to the computer at the same time.

How to upgrade the system version of Android phones

1. Use OTA to update OTA means "over-The-Air update", which is the most One of the commonly used methods. Once a new version is released, your mobile phone will notify you through a pop-up window, which will ask you to approve the upgrade.

2. Open the Kies software. If there is a new version of the mobile phone system/firmware, the Kies software will have a firmware upgrade prompt. Click to upgrade. If your mobile phone or tablet is using the Android 3 or above operating system, please download and install the Kies3 version.

3. Upgrade Android by flashingSystem: For Android phone users, the passion is still flashing. Flashing is a very effective way to upgrade the Android system. There are also many ROM systems of Android phones on the Internet, and the updates are very fast. You can choose to use the latest Android system kernel to flash the phone, so as to upgrade the Android system.

4. The operation method of Android mobile phone upgrade system/firmware is as follows: Fota method upgrade: through mobile phone settings-(general)-about device-system update (or software update)-update. Connect to the computer using S replacement assistant or Kies software update (different models, different PC software used.