From Saturday 21.07.2018, 6:00 pm to Monday 23.07.2018, 4:00 pm we are performing important system updates. All SIM-Cards can be registered during this period. Our calling, surfing and SMS services will only be available with limitations for new customers. Please note, during this period only top up and the booking of data bundles will be available. From Monday evening approx. 4 pm onwards you will be able to use our full services as usual. Thank you for your understanding.