Why is my Phones not turning on?

I have a wiko jerry and I flashed the wiko jerry 2 software on it and when it done. I tried to turn my phone on but it’still black. I’ve tried to flash the stock software but the computer can’t find the phone any more. If I charging the phone the LED indicator is red (always red when I charging the phone) I charge the phone for hours but it didn’t go on. Plz help me