So I tried to erase all content and settings on my iPhone, but it got stuck on the bootlogo and every time it tries to give the status bar for erasing all the content it disappears and I'm stuck with only the bootlogo. I've tried different combinations for holding down buttons and such and every once in awhile I'll get this flash of a blue screen. I tried putting it into recovery mode and connecting it to my computer but iTunes doesn't show my device. I really need help with this, I've got no clue what to do.