Hi,visitor now I said that how to make a good servicer::: 1/how to solve a dead mobile problem......Then listen...1st check battery if not on then check battery connector if it is ok then connect your with power supply and try to on it if it show no sense its may be hardware problem if shown that power is 3 or 4 its may be software problem so first try to flash it with hire virsion flash file if not solve then you try its hardware side