What should I do if the Samsung A7 screen keeps vibrating but it can t turn on

If the phone shows a black screen in the envy posture, there are many reasonsSystem issues, software conflicts。If the screen is damaged, it will turn into a black screen, so it is recommended to try the following:

If the screen keeps black: Press and hold the power button for more than 10 seconds, and try to turn it on again. If the fault persists, it is recommended to send the phone to the nearest service center for testing.

If it is sometimes a black screen:

1. It is recommended to uninstall the third-party plug-in program that was operated before the black screen.

2. Back up your phone data (**book, SMS, multi** files, etc.), and restore factory settings.

Method: Settings - General Management - Reset - Factory Reset.

In standard mode, tap Settings.

2.Swipe up on the screen and tap General Management.

3.Click Reset.

4.Click [Restore the factory settings].

5.Click Reset.

6.Click Delete all.

1.If you can't turn it off, it is recommended to press and hold the power button for 8-10 seconds to restart the machine to try, shut down, restart the machine to try, if you still can't turn off, you need to send your phone to the service center for processing, if it can be turned off, you can continue to operate the following steps.

2.If an external SD card is inserted into the body, take it out for testing. Rule out 3Test the third-party software that was operated before the crash to rule out the third-party software that is incompatible with the phone and cause the crash.

4.Back up your phone's important data and restore it to factory settings.

If the fault persists, it is recommended to bring the machine, purchase invoice, and warranty card to the nearest Samsung service center for testing and repair.

Hello dear Samsung users:

There are many factors that the mobile phone cannot be turned on, and the battery, mobile phone software, and hardware will cause this kind of failure to turn on. We recommend that you try the following:

1. Charge the charger for 15 minutes and turn it on again.

2. Take out the SIM card and SD card at the same time, and then press the power button for more than 10 seconds to test whether it can be turned on.

Samsung knows that we will provide you with high-quality solutions and answer your questions attentively, and hope to get your satisfactory evaluation.

I asked the Samsung service provider about this, you can use the shutdown button + volume down button and press and hold it for about 10 seconds at the same time.

You can try to press and hold the volume + key and the power key, force restart your phone, or connect to a computer. If you really can't solve it, it is recommended to contact the after-sales service to re-flash the machine in time to solve it.

Hello dear Samsung users:

Depending on the situation you described, it is recommended that you try the following:

1.Charge with a cable for a while and try to turn it on.

2.Take out the SIM card and SD card at the same time and try to power on again.

3.If the problem persists, since the battery of this model is built-in, please bring the purchase invoice and repair card to the nearest Samsung service center for testing and processing.

It is recommended that you apply for "appointment to store" on Samsung's official website to enjoy priority repair services

After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.

Comments, suggestions, complaints, please click:

My phone is also A7, and the same situation occurs. What happened to me afterwards?

Dear, my mobile phone is also suffering from this disease now, how did you fix it.