cool1 mobile phone screen failure 30

You back up the data and restore the factory settings to try, if it still doesn't work, go to Coolpad's after-sales outlets.

1. The mobile phone is placed in the pocket and rubbed, resulting in static electricity causing the touch to fail, it is recommended to try to operate it after a period of time;

3. Take your mobile phone to the OPPO service center and let the professionals check and repair your mobile phone;

4. The mobile phone screen is damp or has liquid or water.

5. If you don't clean up the trash cache often, the screen will be damaged due to squeezing.

In recent years, domestic mobile phones have been greatly improved in terms of appearance design and technology. Especially in the past six months, OPPO R15 advertisements abound in front of our eyes, and it is difficult not to notice this phone. Its powerful photographic function has absorbed a large group of photographers.

But after all, the mobile phone is still a machine, and it is normal to have some minor problems. And many of them have reported that sometimes the screen will fail, this article will briefly share some small methods of how to deal with the OPPO R15 screen failure.

Assuming that the Oppo R15 is using the Oppo R15, the touch screen fails irregularly, which may be due to the following reasons:

The screen is covered with film, damp or liquid or water (mobile phone screen change).

Disposal method: Advocate canceling the film application attempt and liquidating the screen cleaning attempt;

The mobile phone is placed in the pocket and rubbed to generate static electricity and cause touch failure, disposal method: advocate a period of time to try to operate;

The non-original charger used during charging, disposal method: please change to the original charger of the mobile phone;

Backing up mobile phone materials (**number, text messages, installing software, **, etc.), how is the touch screen failure when operating a single software, that is, the daily use of the mobile phone is normal, and the touch screen function is abnormal only when opening a specific program. It can be disposed of in the following ways:

Go to "Settings" - Application Management", find the software, "Clear Data" and "Clear Cache", clear the cache data generated by the software in the past;

If none of the above methods can solve your problem, please bring the purchase invoice and mobile phone to the nearest OPPO customer service center for testing and disposal.

Coolpad reference path: Click [Settings] - [System Settings] - [Reset and Replace] - [Factory Reset] - [Reset Phone], and then follow the prompts. If the mobile phone is logged in to the LETV account or set a fingerprint password to unlock, you need to log out or unlock the screen before resetting the phone.

First, turn off the phone completely;

When the phone is turned off, press and hold the volume up button + power button of the phone at the same time, and press and hold the two buttons at the same time and do not let go;

After entering the recovery mode, select [Wipe Data Factory Reset] [Wipe Data Factory Reset] and [Wipe Cache Partition] (Chinese version: Clear Cache) These two items can be selected;

Press the power button to confirm, and then select [yes - wipe cache] (yes - wipe cache).

Go back to the main interface of Recovery, select [Reboot System Now], press the power button to confirm, and then start the phone.

1. The black screen of the mobile phone is one of the faults that are often encountered in the maintenance of the mobile phone, and the black screen can be divided into two types: one is the black screen in use, and the other is the black screen of standby. Here are some basic causes and solutions that cause black screens.

2. Most of the black screens in use are caused by your own third-party software, and this situation rarely occurs with the machine. It can also be subdivided into two kinds: one is that there is a problem with the software itself, the software itself is unstable, or it does not match the mobile phone system, etc., this is easy to solve, just uninstall it; The second is the conflict between the software and the software, which is a little more troublesome to solve, and requires a software to install and uninstall the software in the experiment.

If you find it, uninstall it, and the problem will basically be solved.

3. Black screen in standby, let's talk about the standby principle first, straight board machine because most of them have a power-saving circuit design: the mobile phone will automatically turn off the screen if it can't detect the key trigger signal for a long time, that is, standby, when you need to use the mobile phone, a button will activate the power-saving circuit, and then the screen lights up.

4. The reason for the black screen is often the delay of the screen trigger circuit. That is to say, the mobile phone system has issued a command to light up the screen, but because the circuit is delayed, it is not sent successfully, and the screen is not lit successfully, but the mobile phone system thinks it has been lit, so it causes a black screen.

If the phone turns on but the screen doesn't show up, the screen doesn't show up.

Please lift your phone up to a bright place in a bright spot. Make the eye less than 30 degrees angle with the mobile phone screen, observe the mobile phone screen, whether you can vaguely see the content displayed on the mobile phone screen;

If you can see that the backlight driver module on your phone's motherboard is faulty, you need to replace the display backlight boost module on the motherboard;

If you can't see anything, it's most likely that the display LCD is damaged and the screen assembly may need to be replaced.

cool1 dual screen bai is an integrated screen, the official after-sales maintenance du repair is the assembly zhi replacement, **400 yuan or so, may be within individual regions.

There will be an additional manual fee for third-party repairer maintenance**200-300 or so, of course, if cool1 dual is just a broken outer screen, you can replace the outer screen separately Generally around 150 yuan I hope this answer will help you.

1. The outer screen of the cool1 phone is the glass screen of Corning Gorilla!

2. The official website does not detail several generations of Corning Gorilla Glass screens, and the scratch resistance should still be very good compared to other mobile phones. But what needs to be known is that mobile phones are not drop-proof, and if you don't take care of them, they will still be bad. Therefore, it is recommended to use mobile phone film.

The lock screen automatically cleans up memory cannot be turned off, and you can add memory that you don't want to clean up to the whitelist

1.Set the whitelist in One-Click Acceleration.

2.Press "One-click Acceleration" to enter the "Memory Cleanup" interface.

3.Click "Settings" in the upper right corner to enter the "Acceleration Whitelist", 4Click the "+" sign to add programs that do not need to be automatically closed.

5.Other cleaning software can also be used for phone cleanup.

Summary: (*The whitelist only supports factory-built software, and self-installed software will still be closed when insufficient memory is detected, even if it is added to the whitelist).