LG Optimus L4 II E440 constantly restarting..

[AC Question]

Hi Everyone,
I have problem with LG L4 II from yesterday. The phone was in my hands, it has 6% battery when suddenly it has restarted himself. The LG logo has appeared and the phone go off. Now, Always when I try to connect the phone with battery or with my pc via USB port, its does the same things. At first, it sounds "beep" (vibration) ,second LG sing appear, 3th the phone goes down.
Thank you for suggestions.
Best regards.

 

[the tall guy]

Hi, have you tried to charge the device and left it charging for a couple of hours before trying to turn it on?