What are the reasons for the white screen of a touchscreen phone

If the screen color of the mobile phone is abnormal, such as black screen, splash screen, flower screen, white screen, red screen, etc., it is recommended to:

1.It is recommended to restart the phone to try: Press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device;

3.If it comes with system software, it is recommended to update the system version of the mobile phone to try: please go to Settings - About the phone (about the device) - Software update (system update) - Update (please back up the data in the device before upgrading).

If the problem persists, it is recommended to bring the purchase invoice, warranty card and mobile phone to the local mobile phone purchase office for repair or to a nearby mobile phone repair shop for repair.

The phone screen is white for the following reasons:

1. If there is a problem or loose cable on the screen of the mobile phone, contact the after-sales inspection cable.

2. There is a problem with the quality of the mobile phone screen, which is a hardware failure, and it is necessary to contact the after-sales service for detailed inspection and maintenance.

3. If the mobile phone system is faulty, contact the after-sales brush for testing.

Note: If the hardware fails, you need to contact the after-sales service for detailed inspection and maintenance. Bring the purchase invoice and go to the designated maintenance point for repair.

1. Please restart your phone and observe whether it can be used again.

2. The new version of the system has improved the compatibility and stability, and optimized the performance, please go to Settings - System Upgrade (some models are: Settings - My Device - iQOO UI Version) to view the system version information. If it's not the latest version, it's recommended to upgrade the experience.

3. Multiple applications running in the background will occupy too much memory or other resources, and the phone may be overloaded and may be abnormal, so it is recommended to use it"One-click acceleration"Clean up background apps.

Note: Restoring all settings will not delete any data or files, only all settings of the phone will be restored (such as the wallpaper, unlock style, wifi, default opening program, desktop layout, etc.), and some third-party application accounts need to be logged in again, please confirm that it does not affect the use of the software before operating. For data security, it is recommended to back up your phone data in advance before the operation.

You can go to the cloud service - device cloud backup - backup data type - system data - return - backup immediately to back up some system settings and desktop layout; Cloud service - data synchronization - turn on WLAN, Bluetooth, etc. to synchronize data to cloud service).

6. If the above methods cannot be solved, please back up the device data in advance, and bring the device and purchase voucher to the vivo customer service center. Detect.

If you use a vivo phone, the white screen is handled as follows:

1. Restart the device.

1. Press and hold the power button of the phone to pop up the "Restart" option to turn it off;

2. Slide down at the top of the mobile phone screen to bring up the shortcut details page twice Swipe up at the bottom of the screen to enter the control center, and click the "Shut down and restart" switch;

3. Force restart the phone; (It is recommended to use it when the phone is frozen or stuck).

FunTouch OS and later models: Press and hold the "Power button" and "Volume Down button" at the same time for more than 10 seconds;

Press and hold the top round button for more than 10 seconds to force restart the phone (applicable to NEX 3 NEX 3S);

FunTouch OS previous models: Press and hold the "Power Button" for more than 12 seconds.

2. Upgrade the system version.

Please upgrade your device to the latest version to view.

3. Reset all settings.

Note: Restoring all settings will not delete any data or files, only all settings of the phone will be restored (such as the wallpaper, unlock style, wifi, default opening program, desktop layout, etc.), and some third-party application accounts need to be logged in again, please confirm that it does not affect the use of the software before operating. For data security, it is recommended to back up your phone data in advance before the operation.

4. Service center testing.

If the above methods fail to solve the problem, please back up the device data in advance, bring the equipment and purchase voucher to the vivo customer service center for testing (customer service center address: enter vivo official website vivo**app--my--service outlets, after-sales outlets--select provinces and cities to query the customer service center address).

Other ways to handle white screen scenes:

1. There is too much software running in the background, and the startup software has a white screen.

It is recommended that multiple applications running in the background take up too much memory or other resources, and the device may be overloaded"One-click acceleration"Clean up background apps.

2. Use third-party software for a white screen.

1. Apple mobile phone occasionally has a white screen, at this time, the mobile phone system will automatically restart, and it will automatically recover after restarting, if it cannot be recovered, it needs to be further processed;

2. Force restart the Apple phone, and press the home button and the power button of the Apple phone at the same time to restart the Apple phone;

3. Sometimes when there is an unexpected situation during the Apple system update, it will also cause the white screen of the Apple mobile phone, at this time, you need to use the computer to restore the mobile phone and connect the computer to the mobile phone;

4. Install the latest version on your computer. iTunes, after completing the installation, open the iTunes software;

5. iTunes software will automatically identify the connected Apple phone, if it prompts that the iPhone is in recovery mode, click Continue;

6. Next, you can start the operation of restoring the system of the Apple phone, which will delete all the data on the phone;