Why does the blue box appear when the OPPO phone taps the screen several times in a row?

You can zoom in on this with a few clicks.,This almost, long, long time Android system will have.,You can cancel it.。

2. Did you turn on some switches and do you have this happening? If so, in Settings - Development, choose to turn off the switch and observe it again. If it still can't be solved, you need to back up the data, restore the factory settings, and even need to go to the customer service center for testing and processing.

Because the magnification gesture switch is turned on.

To turn off the magnification gesture:First of all, you need to open the [Settings] app on your phone, then enter the settings interface, and then click the [Other Settings] option to enter;

<> enter the interface of other settings, then swipe the screen to open the [Accessibility] menu, then enter the operation interface, and then continue to click the switch button to turn on the [Zoom Gesture].

It should be a problem with the inner screen, and most of it is the screen leakage, so it's best to take it to the mobile phone store for repair. 1. The screen leaks and the LCD screen is strongly squeezed by external force, and local damage will occur inside the LCD screen, and the LCD will slowly leak, which can not be seen at the time, and the appearance can be seen after a period of time. Generally speaking, the vast majority of liquid leakage on the LCD screen is caused by external forces, and this situation will not be warranted. When using the LCD screen, do not use your hands to force the screen, do not dig up the screen stains with your hands, handle it gently, and use a special cleaning tool to clean the screen.

2. There are several main reasons for the leakage of the LCD screen: 1. The seal is damaged: it will mainly appear at the four edges of the screen, if the acidic and alkaline liquid part of the drink, juice, soda, tea and other parts are carefully soaked from the edge of the external flow screen, it will cause the sealant to be damaged and the liquid crystal leakage inside.

2. If there is a problem with the sealant in the production process, there will also be a failure. 3. The surface of the screen is damaged by external force: it is generally concentrated in the middle of the screen, and obvious traces of glass cracks can be seen.

Introduction to the functions of Talkback.

Once you turn on the TalkBack feature, it will give you voice feedback so that you don't need to look at the screen while using your device. This is useful for people who are blind and have low vision.

Setting method: 1. ColorOS 12 and above: Settings > System Settings > Accessibility > Visual Talkback.

ColorOS version: Settings > Additional Settings > Accessibility Talkback.

2. Click "Settings" in the upper right corner or at the bottom to enter the settings page, where you can set audio (voice prompts), penitential training controls (navigation) and other functions according to the prompts and actual usage.

How to do it: 1. Swipe left and right to move between items.

2. Tap two times to activate a content.

3. Drag two fingers to swipe the screen.

Closing method Bi Zhi Wei:

ColorOS 12 or later: Go to Settings > System Settings > Accessibility > Visual TalkBack and turn off Talkback.

ColorOS version: Go to Settings > Additional Settings > Accessibility Talkback and turn off Talkback.

1. Tap the switch, wait for the switch to be green, and then tap the switch twice.

2. In the confirmation dialog box that appears, tap "Stop Close", and then tap "Stop Close" twice.

Tips: If the voice wake-up function of "Xiaobu Assistant" has been turned on on your mobile phone, you can try to wake up "Xiaobu Assistant" and say to "Xiaobu Assistant": Turn off talkback. Turn off the talkback feature.

Introduction to the functions of Talkback.

Once you turn on the TalkBack feature, it will give you voice feedback so that you don't need to look at the screen while using your device. This is useful for people who are blind and have low vision.

Setup method: 1. ColorOS 12

Versions and above: Settings > System Settings > Accessibility > Visual Talkback.

ColorOS version: Qi Tuan Settings > Other Settings > Accessibility Talkback.

2. Click "Settings" in the upper right corner or at the bottom to enter the settings page, where you can set audio (voice prompts), controls (navigation) and other functions according to the prompts and actual usage.

How to do it: 1. Swipe left and right to move between items.

2. Double-tap to activate an item.

3. Drag two fingers to swipe the screen.

How to turn it off: ColorOS 12 and above: Go to Settings > System Settings > Accessibility > Visual Talkback and turn off Talkback.

ColorOS version: Go to Settings > Additional Settings > Accessibility Talkback and turn off Talkback.

1. Tap the switch, wait for the switch to be green, and then tap the switch twice.

2. In the confirmation dialog box that appears when you know the system, tap "Stop Close", and then click "Stop Close" twice.

If the voice wake-up function of "Xiaobu Assistant" has been turned on on the mobile phone, you can try to wake up the "Xiaobu Assistant" and say to "Xiaobu Assistant": Turn off talkback. Turn off the talkback feature.

What's going on? You can take a picture of it** to help you see.

The border is damaged.

The bezel of the mobile phone is damaged, in order to provide a more effective solution for your mobile phone and resume normal use as soon as possible, it is recommended that you bring the purchase invoice, warranty card and mobile phone to the local OPPO service center, and the engineer will test the mobile phone for you.

If the quality of the mobile phone is defective during the warranty period, the service center can replace it free of charge.

The solution to the abnormal display of the phone screen:

Turn off Developer Selection.

Switch the interface and observe whether the display of other interfaces is normal.

Restart your phone to observe.

Back up your data and factory reset your phone.

If the problem still exists, please bring the purchase invoice, warranty card and machine to the OPPO customer service center for testing, and professional engineers will solve it for you.

It's possible that you've been pressing a place and it will appear, but as soon as you return, it won't be there, and if it has been there, you will shut down and restart.