What is the reason why the LeTV 2 mobile phone cannot take pictures with a black screen?

The black screen of the mobile phone and the inability to take photos may be a problem with the mobile phone settings, and there are the following 6 solutions.

1. Open the phone settings option and find the "App Management" option, as shown in the figure below.

2. Open "Application Management" and find the "Camera" option in all apps, as shown in the figure below.

3. Click "Camera" to enter the detailed settings, as shown in the figure below.

4. Click "Clear Cache" and "Clear Data", and the camera will be ready to use after the cleanup is completed.

5. If the cleaning data is invalid, you can restore the phone to factory settings, which can solve the phone software failure file.

6. The above methods have not been able to solve the problem of black screen for mobile phone photography, it may be a problem with the hardware of the mobile phone, it is recommended that you bring the valid bill of the mobile phone to the after-sales office of the mobile phone for testing and maintenance.

Before cleaning up the camera data and resetting the factory settings, please copy the photo album in your phone and back up the important information and files of your phone to avoid unnecessary losses.

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.

1. The battery causes a black screen: First, the poor contact of the copper sheet causes the mobile phone to lose power, for example, some people take pictures or shake the mobile phone and the screen becomes black. Second, the internal performance of the battery is weak, for example, the same battery starts very well, and the performance decreases after half a year, which may lead to a black screen;

2. Software conflicts lead to black screens: There are many software in the Android mobile phone market, among which there are software that are born with conflicts. For example, when frequently testing and installing various software, the probability of encountering a black screen increases greatly.

Sometimes, when the operation software is too fast, it will also cause a black screen, or the software will conflict with each other, resulting in a black screen;

3. Mobile phone memory problem: When the mobile phone stores too many things, it will not only slow down the mobile phone running speed greatly, but also it is easy to go black and then automatically exit the program when running the program. Especially.

It is recommended that you try to clear the camera data in the settings of your phone - application management, or if it doesn't work, backup the data and restore it to the factory settings.

Phone Black Screen of Death Solution:

Freeze due to low memory: Clean up memory frequently and close unnecessary background running programs to keep your phone in tip-top shape.

Improper operation leads to black screen: Try not to open a lot of software at the same time, which takes up a lot of memory and is easy to black.

In fact, today's smart phones, like computers, must be taken care of often when we use them, so that they will run smoothly.

There is a problem with the driver of the phone, restart it.

1. The black screen and crash of the mobile phone may be caused by system failure or conflict with software.

2. It may also be caused by low battery power, if the battery is low, you can take out the battery first, reinstall it after a while, and then plug in the charger, regardless of whether it shows charging or not, don't pay attention to it, and wait for a long time to charge, it should be able to turn on.

3. If it is not a battery problem, you can be sure that it is a system problem, if the phone cannot be turned on, you can press and hold the power button + volume down button in the shutdown state to enter the recovery mode, select wipe date factory reset to clear the data and restore the factory settings.

It is recommended that you go to LETV's after-sales outlets to deal with it,You are on the home page of LETV's official website,There are LETV's offline service outlets at the bottom of the page,You click into the mobile phone settings——Clear the data on the desktop in the application management,Restart it and you can see it all。

Usually there are two types of black screens: one is the black screen in use, and the first is the standby black screen.

Most of the black screens in use are caused by the third-party software of **, and the situation of this phenomenon in the software that comes with this machine is less hidden. There may be two reasons: there may be a problem with the software itself, such as the software itself is unstable or does not match the mobile phone system, and uninstalling the software can solve this problem; If the software is not compatible with each other, it is necessary to install and uninstall the software one by one, and experiment to check which software is the problem.

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

The black screen in standby is mainly due to the fact that the mobile phone will automatically turn off the screen if it does not detect the key trigger signal for a long time, that is, standby, when you need to use the mobile phone, the button will activate the circuit in the mobile phone, and then the screen will light up.

The reason for the black screen may be because the mobile phone system sends a command to light up the screen, but the screen cannot respond in time due to the delay in the transmission of the circuit, so the black screen is caused. In this case, you don't need to be in a hurry to recover, wait for a while or use the ** around you to dial the phone with a black screen, if you can get through, this problem will be solved.