I bought a 1 month unlimited plan the last time I was in Germany, but went through 100MB in less than 3 days (and I was trying to be fairly conservative with my

I bought a 1 month unlimited plan the last time I was in Germany, but went through 100MB in less than 3 days (and I was trying to be fairly conservative with my usage); the remainder of my trip had speeds so slow I could basically only use e-mail.