S4 can t lock the screen automatically, S4 can t turn off the screen automatically

Hello dear Samsung users:

Recommendations:1Check to see if your phone has Smart Screen turned on. (Settings - My Devices - Smart Screen).

2.Check the duration of the mobile phone's background light: Settings-Display-Screen Timeout (or the screen will turn off automatically), and select the shortest time to try.

3.Tap the power button to see if you can lock the screen.

4.Check if you are using third-party theme software. If there is an installation, it is recommended to uninstall and delete it.

5.Uninstall and delete recently installed software.

If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center for professional after-sales engineers to help test.

Comments, suggestions, complaints, please click:

Hello dear Samsung users:

The Samsung i9502 phone you consulted can set the screen to turn off automatically, it is recommended that you:

1.Phone Settings - Display - Screen automatically off - select the time you need. If it can't be turned off normally, it is recommended that you check whether the phone is up to date with the third-party software, it is possible that the software is not compatible with the phone to cause this phenomenon, it is recommended that you try to uninstall it (Settings - More - Application Manager - Select ** - Uninstall).

2.Back up your phone data (**book, short message, multi** file, etc.), restore factory settings (Settings - Account - Reset - Factory Reset) If the problem still exists, it is recommended that you bring the mobile phone three packs of vouchers and send the mobile phone to the nearest Samsung service center for testing

I hope it can help you and I wish you a happy life!

The landlord said the problem,It's also a problem that I've been bothering for two years,Find a way to solve it,In view of this, the mobile phone is going to "retire",Gradually, it doesn't matter,But I will talk about the final experience,I used Samsung S4 Telecom dual SIM (i959),He has two common problems,1.From time to time, heat and power consumption, 2The screen does not turn off automatically.

There is no need to say anything about the regular setup method at all, because it has been tried a long time ago.

About 1 fever problem, there is a lot of discussion on the Internet, some people say that close the built-in program, in fact, the effect is not obvious, the most obvious is the TF card, unplug or replace the original Samsung. 2The screen can not be turned off automatically,It will also lead to huge power consumption,This problem was later found to be caused by the SIM card pop-up message"st",Especially when you just turn on the phone for a minute or two,Pay attention to it,After the mobile signal search is completed,It will pop up as if it is a welcome screen,Stay for about 2-3 seconds,If you don't grasp the manual click"OK",That's it,It's over,You have to restart it again,Otherwise the screen won't turn off automatically。

In addition, I would like to add,About the second point inside,If you remove the screen boot lock,Change to "sliding",That can also be solved.,But it's not safe.,It's easy to be messed up by children without a password.。

Hello: According to your description:

1.The phone can't lock the screen automatically, it is recommended that you try to set it up again:

Phone Settings - Display - Screen Auto Off - Select Time Period.

2.After locking the screen, press the home button to keep the low brightness off, it may be that the brightness of the adjusted screen is low, it is recommended that you check again after debugging: Settings-Display-Brightness-Brightness Adjustment, and check whether it returns to normal after adjustment.

If the preceding methods persist, we recommend that you do the following:

1.Check whether the phone is latest** with a third-party software installed, it may be that the software is incompatible with the phone to cause this phenomenon, it is recommended that you try to uninstall it (Settings - Application Manager - Select ** - Uninstall);

2.If it does not return to normal, it is recommended that you back up your phone data (**book, SMS, multi** files, etc.) and restore factory settings (Settings - Account - Reset - Factory Reset);

3.If the problem still exists, it may be a problem with the mobile phone system software, it is recommended that you bring the mobile phone three guarantees certificate, and send the mobile phone to the nearest Samsung service center for testing, the specific service center address please visit:

Hello: According to your description, it may be related to your ** third-party software, if it has been uninstalled and still cannot be ruled out, it is recommended that you back up the data on your phone, factory reset your phone before you try to operate. If the problem persists after the above operations, please contact the Samsung service center for testing with the purchase invoice, three-pack voucher and mobile phone.

It is recommended that you turn on and off again, if it still doesn't work, then only restore the factory settings, I haven't had this problem, but S4 is generally good to turn on and off again.

Hello: According to the information you feedback, it is recommended that you follow the steps below

1.Take out the external SD card on your phone and try.

2.Check whether there is third-party software installed on your phone, and if so, it is recommended to uninstall it and try it.

3.Back up the data on your phone, restore the factory settings, and try again.

If the problem still exists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the machine will be checked by Zihuai engineers, and you can check the address information of the Samsung service center through the following link:

The phone has been on for a long time.,Hasn't it been turned off?! Reboot to try!

Just do a factory reset,

You need to set it in the "Settings", "Display" and "Screen Auto Off" of your phone.

Hope it helps with your question.