The method to open the OPPO mobile phone battery percentage display settings is as follows:

1. Open the OPPO mobile phone and click the "Settings" icon on the screen to enter the setting interface;

2. Because the battery percentage is displayed, find "Notifications and Status Bar" in the "Settings" interface;

3. After entering "Notifications and Status Bar", you can see under "Status Bar" There are three options, namely "Battery percentage", "Show real-time network speed", "Show operator name", followed by a status, green means on, gray means off...

4. After the setting is completed, you can see the percentage display to the left of the battery in the upper right corner of the screen.

Extended information:

Analysis and solution sharing of reasons for slow response of mobile phones:

Hardware problems:

If the mobile phone does not respond properly for a long time, When turned off, the service life of the mobile phone itself will be shorter. This is the problem. Mobile phones are smaller than computers, and the electronic components inside are more fragile than those in computers. However, mobile phones are not on 24 hours a day, but are on for more than ten days, several times. Smartphones are in standby mode every month, so everyone can imagine why the phone becomes slower and slower as it is used. The solution is very simple, that is, shut down the phone regularly. After all, turning it on for too long is not good for the body. OK, there's radiation.

Software issues:

Smartphones can download a variety of software. If a lot of software is downloaded, the phone will run very slowly. People will ask why there are too many software downloads. Will the software freeze? That's it. If 100G of memory downloads 95G of software, then the phone will run very slowly, because there will also be memory consumption during the operation, such as QQ, WeChat, and browsing the web. , will cause a lot of garbage to the memory, and there is not much memory left on the phone, so it will run very slowly and crash. These phenomena are very common. There are many solutions, such as the next 360 Security Guard, which regularly cleans the garbage and cache. But there are some garbage that cannot be removed, so you have to clear it manually, such as QQ, chat records and cached images, which 360 cannot clear, so you need to clear it manually.

How to solve the problem of slow mobile phone response?

Necessary formatting:

If after the above two points are processed and it is determined that the mobile phone parts are not damaged, it is necessary for us to format the mobile phone. I will do this. In particular, even if a mobile phone is maintained for a long time, if the time is too long, some system garbage cannot be removed, such as a computer. A system has been used for many years. Even if you clean up the garbage diligently, it will still be damaged after a long time. It will be slow, and then change the system or restore it with one click. In fact, now mobile phones have become computers, and it is not surprising that problems that can occur on computers also appear on mobile phones, so mobile phones also need to update the system and format them.