iOS 8 Today Extension not working on device

Question

When I run my Today Extension on the simulator everything works fine and it displays the following as expected:

Answer 1

I found the solution for my case. I just had to specify arm64 as valid architecture for the widget target.

On the Widget Target

Build Settings > Valid Architectures

I was having just armv7 and armv7s. I added arm64 and it worked like charm in my 5s device