Why is there a flickering shadow at the bottom of the OPPO phone screen? Why can't I use the data on my OPPO phone?

There are often many small problems when using mobile phones. Today, I will share with you what to do if there is a flickering shadow at the bottom of the OPPO mobile phone screen? What is the reason why the OPPO mobile phone data cannot be used? What is the possibility that the OPPO mobile phone is always in headphone mode after being soaked in water? I hope it will be helpful to you.

Contents of this article

1. There is a flickering shadow at the bottom of the OPPO phone screen

2. Why can’t I use data on my OPPO phone?

3. OPPO phone remains in headphone mode after being soaked in water

There is a flickering shadow at the bottom of the OPPO phone screen

The flickering shadow at the bottom of the OPPO phone screen may be caused by the phone being stuck. You should restart the phone and check again. It may also be that the current system of the phone is faulty. You should update the system version to the latest one. In addition, if the shadow flickering is caused by squeezing the phone screen, you need to take it to a repair shop for processing.

If there is a flickering shadow at the bottom of the OPPO phone screen, it may be caused by the phone being stuck. Restart the phone and check whether the flickering shadow disappears.

The flickering shadow at the bottom of the OPPO phone screen may also be caused by a system failure. At this time, the phone system version should be updated to the latest version.

If there is a flashing shadow at the bottom of the OPPO phone screen, it may be that the phone screen is squeezed and needs to be taken to a repair after-sales center for inspection.

Operating Environment

Brand model: OPPO Reno5

System version: ColorOS 11.1

Why can't I use data on my OPPO phone?

The reason why your OPPO mobile phone data cannot be used may be that the mobile data of the mobile phone is not turned on, or the flight mode is turned on, or the mobile phone card has been shut down due to arrears. At this time, you cannot continue to use the data. Another possibility is that the mobile phone card has not activated the Internet service, so you need to call customer service for consultation.

The reason why your OPPO mobile phone data cannot be used may be that the mobile data of the mobile phone is not turned on and you need to turn the mobile data back on, or the mobile phone is in flight mode.

If you cannot use your OPPO mobile phone data, it may be that the SIM card has been suspended due to unpaid fees, and you need to pay the fees to continue using it.

If your OPPO mobile phone data cannot be used, it may be that the Internet service is not activated on the mobile phone. In this case, you need to call customer service for consultation.

Operating Environment

Brand model: OPPO Reno5

System version: ColorOS 11.1

OPPO phone remains in headphone mode after being soaked in water

If your OPPO phone remains in headphone mode after getting soaked in water, the possibility is that the headphone part is affected by water, causing the phone to mistakenly think that headphones are inserted. At this time, you need to wipe the surface of the phone dry, turn off the phone, take out the SIM card and SD card, and take it to a professional repair center for processing.

The headphone mode appears when the OPPO phone gets soaked in water because water gets into the headphone jack, causing the phone to make a wrong judgment.

At this time, you should wipe off the moisture on the surface of the phone, then take out the SIM card and SD card, and turn off the phone.

Finally, take the phone to the brand after-sales center for repair.

Operating Environment

Brand model: OPPO Reno5

System version: ColorOS 11.1