Complaint It automatically blank

  • Shivamoga Lenovo Service Center - it automatically blank
    uday on 2017-04-13 00:12:52

    I put my lenovo cell phone, when I take that in my phant packet some times it blanked, not completely switched off. Cell was not on when I press power button to open lock. Not opened when I apply finger print. It opens when I long press the power button. I don't know the exact problem. Plz tell wt am doing.