Help - Gsmart slider stuck at gigabyte logo

[ntu_hnx]

I have used it for a year, last week after reset it stuck at gigabyte logo and nothing happen then, I've tried to hard reset as hold 7-9 and press power but nothing still happen, please help me

[dattad]

Is the battery fully charged? What do you see on the screen when hard reset the phone?

[ntu_hnx]

yes, I've charged the battery fully, Ican only see the text gigabyte onthe screen after the iteq bond screen,