1. When the battery power of the mobile phone is too low, which causes the mobile phone to fail to start normally or even automatically shut down, and the problem still cannot be solved after the charger is plugged in, it is recommended to charge the mobile phone continuously for more than 5 minutes before trying to start again.
2. If the problem still cannot be solved when the mobile phone is turned off, it can be solved by forcibly restoring the factory settings.The specific operation is to press and hold [Power key] and [Volume increase key] at the same time, select [Restore factory settings] after the relevant interface appears, and enter the confirmation password to confirm.Finally, restart the device.
3. If the above methods still fail to solve the problem, it is likely that the power supply of the phone has failed.At this time, it is recommended to seek after-sales service to obtain professional technical support.
It may be the following situations: 1. Multiple applications are opened to run at the same time.Multiple applications running in the background will occupy too much memory or other resources, and the phone will crash or get stuck if it is overloaded.Please close or exit the applications or high power consuming applications that are not needed for the time being to free up system resources. 2. Please confirm whether the phone crashes after installing a software or clicking an unknown link.You can press the power key+volume down key continuously during startup to enter the safe mode, uninstall the previously installed software or backup important data to restore factory settings. 3. Please confirm whether the system file has been deleted by mistake.When the system is running, it is unable to find the corresponding file, which leads to disorder and phone failure.Please try to restore factory settings after backing up important data. 4. Please confirm whether you use your phone for a long time or use it while charging.This may cause the phone to overheat, crash, restart or black screen.Please close the background app that you don't use often.Do not play with your phone while charging. 5. Please confirm whether you are playing a large game or running some third-party applications.Some third parties should fight against the system. If our subscriber calls are not compatible with the system, the phone may crash, restart or jam. 6. Please press and hold the power for more than 10s to forcibly restart the phone to try to solve the problem. 7. Please confirm whether there has been any machine brushing behavior or the use of third-party machine brushing software.Non official systems will affect the stability of mobile phones.Please restore the phone to the official system. 8. Please confirm whether the microSD card is installed.Please reinsert the microSD card and check whether the problem still exists.If the problem exists, it may be a poor contact. If the problem does not exist, it may be that the microSD itself is damaged or incompatible with the mobile phone system.It is recommended to replace the high-quality microSD card. If the problem still cannot be solved after the above operations, and the mobile phone crashes and the black screen has no rule to follow, it may be the fault of the hardware in the mine construction office.Please back up the data and take the purchase invoice to the after-sales service network for inspection.
It may be the following situations: 1. Multiple applications are opened to run at the same time.Multiple applications running in the background will occupy too much memory or other resources, and the phone will crash or get stuck if it is overloaded.Please close or exit the applications or high power consuming applications that are not needed for the time being to free up system resources. 2. Please confirm whether the mobile phone crashes after you have installed a software group or clicked an unknown link.You can press the power key+volume down key continuously during startup to enter the safe mode, uninstall the previously installed software or backup important data to restore factory settings. 3. Please confirm whether the system file has been deleted by mistake.When the system is running, it is unable to find the corresponding file, which leads to disorder and phone failure.Please try to restore factory settings after backing up important data. 4. Please confirm whether you use your phone for a long time or use it while charging.In this case, the mobile phone may overheat, making a noise and thinking about the jade, which may lead to a crash, restart or black screen.Please close the background app that you don't use often.Do not play with your phone while charging. 5. Please confirm whether you are playing a large game or running some third-party applications.The incompatibility between some third-party applications and the system may cause the phone to crash, restart or jam. 6. Please press and hold the power for more than 10s to forcibly restart the phone to try to solve the problem. 7. Please confirm whether there has been any machine brushing behavior or the use of third-party machine brushing software.Non official systems will affect the stability of mobile phones.Please restore the phone to the official system. 8. Please confirm whether the microSD card is installed.Please reinsert the microSD card and check whether the problem still exists.If the problem exists, it may be a poor contact. If the problem does not exist, it may be that the microSD itself is damaged or incompatible with the mobile phone system.It is recommended to replace the high-quality microSD card. If the above operations still fail to solve the problem, and the phone crashes and the black screen is completely irregular, it may be a hardware failure.Please back up the data and take the purchase invoice to the after-sales service network for inspection.
