1&1 All-Net Flat Basic
1&1 · O2/Telekom network · mobile plan
Offer −33%Hot DealNo minimum term
1&1 All-Net Flat Basic costs €9.99 per month instead of €14.99 and offers 10 GB data allowance, unlimited calls. Contract: no minimum term. Network: O2/Telekom network. Price as of: 29 August 2026.
9,99 €per month14,99 €−33%
All features in detail
| Provider | 1&1 |
|---|---|
| Network | O2/Telekom network |
| Monthly price | 9,99 € |
| Regular price | 14,99 € |
| Data allowance | 10 GB |
| Mobile standard | 4G/LTE |
| Calls | Unlimited calls (unlimited) |
| SMS | Unlimited texts |
| Contract term | no minimum term |
| Activation fee | none |
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Frequently asked questions
How much does 1&1 All-Net Flat Basic cost?
€9.99 per month — promotional price instead of €14.99. No activation fee applies.
How much data allowance does 1&1 All-Net Flat Basic have?
10 GB per month.
Which network does 1&1 All-Net Flat Basic use?
1&1 uses the O2/Telekom network. 4G/LTE is supported.
Can I cancel 1&1 All-Net Flat Basic monthly?
Yes, the plan has no minimum term.
Where the data comes from
The plan data comes from the providers' official websites and is automatically synced daily at 04:00. Price as of this page: 29 August 2026. Information provided without guarantee; the provider's contract is binding. Operator: MARKTIX AG, Cham (Switzerland) — see Legal Notice.