Just get my new iphone 5s on Sep.20th. And when i start playing the video game real racing 3 i noticed a problem. The car automatiaclly turn in a different direction. Here is the video link. http://url.cn/Sg4yXf Then I noticed somethign wrong with the new iphone 5s. so i went into the compass app to check the level and inclinometer. It's not right. and the iphone 4s and iphone 5 has no problem at all. Check your iphone in your hand. If you have the same problem , please follow the post. We want an answer from Apple.