Can't run app on iPhone 4.2.1 with Xcode 4.3.1 and IOS

Question

I hope someone can help :) It\'s been troubling me for a while, this one.

I\'m running Xcode 4.3.1 with base SDK iOS 5.1. iPhone version is 4.2.1, an old 3S model I beli

Answer 1

Got the solution... :)

Build it for armv6 too.