- Data
- 20 GB
- Speed
- –
- Network
o2 network
Avg. per month
€5.20
€4.99 / month
one-time: €5.00
Allnet Flat XS
Cancel monthly · 15 GB · Telekom network
congstar Allnet Flat XS: 15 GB on the Telekom network, up to 50 Mbit/s, 5G, unlimited calls and texts. Cancel monthly. Price: €15.00 / month, one-time €35.00. Over 24 months you pay €395.00, an average of €16.46 a month.
What you get
- Data
- 15 GB
- Speed
- up to 50 Mbit/s
- Network
Telekom network- 5G
- yes
- Calls and texts
- Unlimited to all German networks
- Contract
- Cancel monthly
Costs
- Base fee
- €15.00 / month
- One-time
- €35.00
- Total over 24 months
- €395.00
- Average per month
- €16.46
Price history
| Valid | Base fee | One-time | Avg. per month |
|---|---|---|---|
| 17 Oct 2026 – today | €15.00 / month | €35.00 | €16.46 |
In the comparison since . Last checked on on the congstar website.
As much data, as cheap or cheaper
-
-
- Data
- 20 GB
- Speed
- –
- Network
- o2 network
Avg. per month
€5.82
€4.99 / month
one-time: €19.99 
- Data
- 20 GB / 4 weeks
- Speed
- –
- Network
- o2 network
Avg. per month
€6.49
€5.99 / 4 weeks
one-time: none