O2's current offers are deals, so there is no code to enter: click "Get Deal" and the discount ("€62.49 monthly bundle") applies on o2online.de.
How many O2 promo codes are available right now?
ToolDeck currently lists 3 active O2 offers, all deals that need no code. The list is refreshed every day.
What is the best O2 discount today?
Our top O2 offer right now is "€62.49 monthly bundle", which applies through the deal link without a code.
Do O2 coupons expire?
Yes. Each offer shows its expiry on the card. The next O2 offer to end, "Including 150 GB of data", runs until November 14, 2026. Expired offers are removed from ToolDeck automatically.
Why is my O2 promo code not working?
Most often the order doesn't meet an offer's conditions. Current O2 offers say: "Exklusiv für Kombi-Abschlüsse; gilt je nach bestehender Vertragskonstellation". Only one code usually applies per order.