Both iPhone 6 cameras and flash are not working
I recently bought an iPhone 6. The phone works good overall but has one issue. Both of the cameras are out. I have replaced both cameras twice and still no result. The flash is also out too. I replaced that flex cable with no result. I am convinced this is some sort of board issue. But I cannot determine it. I’m pretty sure there is a short somewhere but I don’t know where. I hate when parts of the board fail because they almost always require soldering. Please help. I have some experience in soldering and this was a cheap phone so it’s no big deal.