What should I do if the screen of Abac mobile phone watch doesn't slide?

1, first consider the system failure. \x0d\2。 Press and hold the home button and the power button, and turn off the machine after 5 seconds. \x0d\3。 Click the power button again to see if the screen slides normally. If it is not normal, after forced shutdown, press and hold the home button and the power button again, and release the power button after 5 seconds to enter dfu mode. Connect the computer with a data cable, and iturns on iTuners. In the pop-up dialog box "Found the faulty mobile phone, do you want to return to factory?", select Yes to return to factory. \x0d\4。 Observe whether the screen is normal. If it's still abnormal. Software troubleshooting. Consider hardware issues. \x0d\5。 After-sales consultation, change the telephone line or mobile phone screen.