I got the cheapest phone available at MediaMarkt (German electronics store). It's a SwissOne (don't know which model exactly) for about 30€. The battery life i

I got the cheapest phone available at MediaMarkt (German electronics store). It's a SwissOne (don't know which model exactly) for about 30€. The battery life is great (runs more than a week) and it even has dual SIM support. Interestingly, I could not find (in that shop) any phone without a color screen and camera. Really, I just want a phone for calls and SMS. The one downside of that phone is that the audio volume on calls is really low, even when set to the maximum. That makes it difficult to have conversations on busy streets. In the future, I would pick one of those phones targeting senior citizens (with the huge buttons).