New: Allnet Flat Rate Plans Starting July 1, 2026
congstar is breathing new life into its mobile service portfolio. The new Allnet Flat plans offer your customers more data, top-quality D-network service, and always include 5G and speeds of up to 50 Mbit/s.
- Allnet Flat XS: 15 GB for €15.00/month
- Allnet Flat S: 50 GB for €20.00/month
- Allnet Flat M: 125 GB for €24.00/month
- Allnet Flat L: 200 GB for €39.00/month
New: congstar Upgrade Promise
More for your customers: With the new upgrade promise, the data allowance for the Allnet Flat M and Allnet Flat L plans is always kept up to date. If congstar offers one of these plans to new congstar customers with more data, your customer will automatically receive the additional data as well—at no extra cost and with no hassle.
Double the Data Allowance for Young People
Your customers between the ages of 18 and 27 can get double the data allowance on the congstar Allnet Flat XS (30 GB instead of 15 GB) and the Allnet Flat S (100 GB instead of 50 GB) with the promo code “YOUNG.”
