PSA: Never buy a Matrix sim card

Bought a matrix sim card at IGI airport delhi for my business trip to Europe. Here I am sitting in my apartment in Berlin with not only no data, but not enough signal strength to make use of the free calls they give you. You're better off making a deal with your carrier on some international roaming for the place you've visiting.

Seriously, I spent INR 5000 on this piece of crap, and feel like I'm in Borivali not Berlin.