Lenovo S870E, the phone is suddenly black, can t turn on, solve?

Dear users, hello!

If your device cannot enter the system with the fixed screen, it is recommended that you use the following steps to make a simple troubleshooting attempt:

1.It is recommended that you remove the back cover and battery and try to restart, if you can enter normally, it is recommended that you back up the body data and try to restore the factory settings;

2.If the above operations cannot be improved, it may be caused by abnormal system files or data loss on the device motherboard, and you need to flash and check the device. Due to the risk of flashing the machine and may lead to non-insurance, it is not recommended that you deal with it yourself, please take the time to go to the repair station and the engineer will assist you in testing and processing.

Inquire about authorized maintenance sites on the official website.

Dear Lenovo users, hello!

Dear Lenovo users, hello!

We apologize for the inconvenience caused by the use of your mobile phone.

According to the description, the phone screen is black, it is recommended that you try to pass the power button of the phone to see if it can light up.

If it can be lit, it may be a problem with the screen timeout lock screen you set, you can go to the "System Settings - Display - Screen Standby" on your phone to check the settings.

If the power button doesn't turn on, try dialing into your phone from another phone to see if it gets through.

If it can be connected, it means that the system is normal, and it may be a black screen caused by an abnormality involving the mobile phone display module.

If it can't be connected, it means that the device has crashed or automatically shut down. It is recommended that you try to press and hold the power button for 8 seconds to force it to shut down, and then restart the observation and use.

Since we can't see the specific situation of your device remotely, we recommend that you back up the important information of the fuselage first, and then restore the factory settings of the mobile phone to eliminate some abnormalities caused by software conflicts. If you can't solve it effectively, you need to take the time to go to your local Lenovo after-sales service center and let the engineers help test and solve it.

Lenovo Authorized Repair Site Query:

Lenovo S820E mobile phone boot black screen, first confirm whether the current device is in the boot state, dial ** or adjust the volume key from other mobile phones for simple judgment:

a.Power on status:

1.If there is a black screen after the call, it is recommended to remove the film, and then you can go to the menu (system settings - call settings) to cancel the proximity sensor option for observation, if there is an abnormality, it is recommended to send it to the maintenance station in time;

2.After using some specific software, uninstall and reinstall the software, or you can consider backing up the body data for a factory reset attempt, the menu path is: System Settings - Backup & Reset;

3.If it cannot be improved after the above operations, it may be caused by abnormal display or cable arrangement.

b.Shutdown status:

1.Caused by poor or abnormal battery contact: It is recommended that you reinsert the battery to restart the attempt, if you have other batteries, it is recommended that you replace them;

2.It is recommended that you use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

If the problem still cannot be effectively solved, it is not ruled out that it is caused by the failure of physical buttons or related power management components, for your normal use in the future, we recommend that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment. 1.Poor or abnormal battery contact resulting from:

It is recommended that you reinsert the battery to try to restart, if you have other batteries, it is recommended that you replace them;

2.It is recommended that you use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

If the problem still cannot be effectively solved, it is not ruled out that it is caused by the failure of physical buttons or related power management components, for your normal use in the future, we recommend that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment. 1.Poor or abnormal battery contact resulting from:

It is recommended to reinsert the battery for a restart attempt, and if there are other batteries, it is recommended to replace them for comparison;

2.It is recommended to use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

Hello, sorry for the inconvenience.

It is recommended that you first confirm whether the current device is turned on, and make a simple judgment by dialing ** or adjusting the volume button from other mobile phones

1.If there is a black screen after the call and you can't wake up normally, if you have a film on the body, it is recommended that you remove it, restart the phone, if there is an abnormality, it is recommended that you send it to the repair station in time;

2.If you use some specific software, please uninstall and reinstall the software, or you may consider backing up the body data to try to restore factory settings, the menu path is: System Settings - Backup & Reset.

3.If it cannot be improved after the above operations, please send it to the repair site in time, which may be caused by abnormal display screen or wiring.

You can visit the official website for inquiries:

You are welcome to contact us at any time or visit Lenovo Lewen (for consultation.

1.Remove the battery and reinstall it to restart it, if it can be entered normally, it is recommended to back up the body data (to avoid the loss of important data) and try to restore factory settings;

2.If the above operations cannot be improved, it may be caused by abnormal system files or data loss on the motherboard of the device, and it is necessary to flash and reinstall the system and check the specific processing. Due to the risk of flashing the machine and may lead to non-insurance, it is not recommended to deal with it by yourself, and take the time to go to the repair station to be assisted by the engineer to detect and deal with it.

Lenovo S820 mobile phone black screen does not turn on after flashing, it is recommended to use the following steps to make a simple troubleshooting attempt:

1.Re-insert the battery to restart the attempt, if it can enter normally, back up the data to avoid the loss of important data, and restore the factory settings;

2.It is recommended to use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

If the problem still cannot be effectively solved, it is recommended to take the time to go to a nearby Lenovo authorized maintenance station for specific testing and treatment.

What kind of flashing software to use?,Brush it again....

Press and hold the power button to reduce the sound, press for a long time to try to see, otherwise it is a system problem.

It may be a software problem, and it is recommended that the landlord flash the machine.