How to comply with global trade regulations

List of the table of contents of this article:

• 1, how to set the oppo mobile phone screen background
• 2, Mobile phone screen color abnormality problem solution
• 3,How to set the color temperature and saturation of the mobile phone screen
• 4、How to calibrate the screen of Android mobile phone
• 5,How to comply with global trade regulations What to do if the mobile phone screen is stuck

How to set the background of the oppo mobile phone

1. If you want to set the mobile phone wallpaper , you can select the system wallpaper that comes with the application system through the mobile phone settings, or click the album to select the picture in the album as the wallpaper.

2. Put the picture separatelySteps to put it on the mobile phone desktop: Use the mobile phone settings: Long press a picture on the desktop and select "Set as Desktop Wallpaper" to set the picture as the desktop background.

3. First, open the "Settings" application and scroll to the "Wallpaper" tab. Secondly, in the "Wallpaper" tab, you can select the "Lock Screen Wallpaper" tab.

4. Answer #Collection# How to answer the advantages and disadvantages of the interview? Create Stars 2023-08-10 · TA got more than 2597 likes, follow, expand all, mobile phone screen wallpaper can be selected and replaced in [Theme Store].

5. Open the "Settings" app: find and click the "Settings" icon on the home screen or app list. Enter "Wallpaper and Brightness"Settings: In the "Settings" interface, scroll down to find the "Wallpaper and Brightness" option, and then click to enter.

mobile phone screen abnormal color problem solution

1. If the mobile phone has a black screen, flashing screen, flower screen , white screen, red screen and other abnormal screen color problems, it is recommended to restart the mobile phone. It is recommended to restart the mobile phone to try: press and hold the power button and the volume down button for more than 7 seconds at the same time to restart the device;If the uninstalled software still blooms after reopening, this situation may be related to the software used.

2. It is recommended that you take the following steps: clean the screen, adjust the brightness and contrast, and restart the mobile phone. If the problem persists or gradually worsens, it is recommended that you consult a professional mobile phone repair service center or contact the customer support of the mobile phone manufacturer for further help and advice. They can provide you with accurate diagnoses and solutions.

3. It may be that the color display is incorrect due to the failure of the mobile phone system. You can try to upgrade the system version of the mobile phone or restore the mobile phone to the factory settings. Repairing or replacing defective parts may be a fault on the mobile phone screen or an abnormal connection between the screen and the motherboard. You need to take the mobile phone to the brand repair center to check and replace the corresponding faulty parts.

4. If the mobile phone has abnormal screen color problems such as flower screen, green screen, abnormal screen color, etc., it is recommended that you turn off and restart the mobile phone. Restore the built-in theme If the mobile phone can be used normally, please check whether the theme software is used. It is recommended to try to restore the built-in theme of the mobile phone.

5. If the color of the mobile phone screen is displayed abnormally, please follow the following scenarios: check whether the sleep time/deactivation time of the healthy use of the mobile phone is turned on. If the sleep time/deactivation time of the healthy use of the mobile phone is set, the unavailable application icon will turn gray after reaching the limited time. It is recommended to turn off this function.

6. It is recommended to restart the mobile phone, which may be a temporary error in the mobile phone software. To turn off the negative color function, it is recommended to check whether the negative color function is turned on (settings--auxiliary function-negative color), turn it off and then restart the mobile phone to check.Backup data It is recommended to back up data (contacts, text messages, photos, etc.) and restore the factory settings.

How to set the color temperature and saturation of the mobile phone screen

Open the mobile phone system settings First, open the system settings of the mobile phone. There are two ways to open it. One is to open the settings, as shown in the figure. One is to press the menu function key, and the last system setting is after entering the system settings.

The best setting method for the color adjustment and color temperature of the mobile phone is as follows: turn on the mobile phone and enter the settings. Find the "Display" option in the settings. Find "Color Adjustment" in the "Display" option. In "Color Adjustment", you can adjust parameters such as color saturation, tone and brightness.

Adjustment method: Find and click the "Settings" icon on the mobile phone desktop, which is a gear-shaped icon.On the settings page, find and click the "Display and Brightness" option. Select it, but it will be under the "Device" or "Display" category. On the display and brightness settings page, look for the "Color Adjustment and Color Temperature" option.

The first step is to turn on the mobile phone and find the settings icon on the desktop, and click to enter. Step two, after entering the setting page, click the display option below. Step three, after jumping to the display page, find the screen effect option below and click Open.

We need to find the "settings" in the mobile phone first. If you feel too lazy to find the settings, you can open the status bar of your mobile phone and click the "Settings" logo. After entering the settings, we need to click "Display". Entering the display interface, we click "Color Temperature".

How to calibrate the Android mobile phone screen

Replace the standard charger or data cable If a non-standard charger is used, it may affect the touch screen function of the device when the device is charging. It is recommended to use the standard charger and data cable to charge.

Of course, if you really want to see if it is damaged, you can download Android Optimization Master to detect the performance of the mobile phone, including touch screen detection. 3. In addition, other photosensitive calibrations, close-range sensors and G-Sensor calibrations of Android phones can be found in the "Display" of the settings and adjust the settings.

Operation mobile phone: Huawei P40 operating system: EMUI0 Huawei mobile phone screen calibration operation steps are as follows: Click My Huawei on the mobile phone desktop.Then click on the service at the top of the page. Then click I want to test. Then click to enter the test. After entering, click the touch screen first, and then click to start detection.

Click My Huawei on the mobile phone desktop. Then click on the service at the top of the page. Then click I want to test. Then click to enter the test. After entering, click the touch screen first, and then click to start detection. The page jumps and can be calibrated by touching the screen.

Most of Huawei's mobile phones are Android phones without screen calibration. If users find that the screen is off or the touch is inaccurate, they can try to restore the mobile phone to the factory or flash it first. Usually, software failures can be eliminated after factory recovery or flashing.

Mobile phone screen cardWhat should I do if it's stuck?

The mobile phone is stuck and the screen can't move and can't be turned off. The way is to force restart the mobile phone, remove the battery, and wait for the battery to run out. Force restart the mobile phone: For most mobile phones, press and hold the power button of the mobile phone or the power button and the volume button and other combination keys to force restart the mobile phone. After waiting for the mobile phone to restart, it may return to normal.

If the screen of the mobile phone card can't move, you can press the power button for a long time, restart, force restart, plug in the data cable, and charge after running out of power. Press the power button for a long time. After the mobile phone dies, you can first try to press the power button of the mobile phone to put the mobile phone into the lock screen state. If the dead is not serious, you can unlock the interface of the mobile phone again.

Please press and hold the power button and the volume down key at the same time for more than 7 seconds to restart the device;If it is a removable battery mobile phone, please press the power button for a long time to restart the machine for 8-10 seconds. If it is invalid, please turn it off and remove the battery and reinsert it.

It's normal for iPhone to be stuck. When the Apple 11 screen doesn't move, please press the volume up button + power button at the same time and stay for a while. Then your mobile phone screen will be turned off. At this time, click Cancel.

If it can be restarted, it is recommended to continue troubleshooting according to the following scheme to avoid the phenomenon of jamming during use. Check the storage space of the device. If the storage space is less than 10%, the system performance will drop sharply.

The method of forcibly switching on and off: the forced shutdown method is to press the power key + the volume plus key for 10~15s. Press the power button for 10s to force the shutdown, and then press the power button for a long time to try to turn it on.If it is a model with a removable battery, you can remove the battery and reinsert it before turning it on. It is recommended to replace the high-quality microSD card.