Why the phone display screen always shows the boot screen?
If the phone is one machine, that is, the battery can not be removed, if this is the case, you can try long press the power button for 10 seconds. Forced to interrupt the power supply, and then reboot.
If the problem persists, it may also be related to your own third-party software.
Charge with a line for a while to try to boot, or replace a piece of the same type of mobile phone battery.
If you boot again, or card in the boot screen, it shows that the system must be a problem, you can enter the phone recovery mode, clear the system cache and system data. This way, the equivalent of the phone to restore the factory settings.
If the phone battery is removable, you can directly buckle the battery, restart the phone.