Do not sink your money into this vaporware (it's a flexible funding campaign, so he gets any money that is pledged, even if he doesn't hit the goal). There's a reason why the Apples / Samsungs / Motorolas / Sonys of the world have hundreds of people working on new phones. This single dude doesn't have a prayer in the world of pulling this off.
The two red flags:
1. No functional device. Just some renders and a physical block of aluminum with glass over it.
2. No "here's my team of 50 people with loads of experience"
The two red flags: