How to top up your credit
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We are giving away data for free for each top-up until 31. 08. 2024!
How do I get it?
Top up at least 300 CZK of credit and get 1 GB extra for active data packages!
Take advantage of this special offer as many times as you want.
You automatically get 1 GB of data extra free every time you top up at least 300 CZK.
Sazka terminals
ATM
OpenCall SIM cards can be topped up at ATMs of the following banks:
Select O2 in the list of operators.
![](https://web832260.mioweb-hosting.cz/wp-content/uploads/2024/01/kb.png)
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Top-up cards
![](https://web832260.mioweb-hosting.cz/wp-content/uploads/2024/01/card.png)
Online banking
Credit can be topped up on the online banking services of the following banks:
Select O2 in the list of operators in the app.
![](https://web832260.mioweb-hosting.cz/wp-content/uploads/2024/01/bank-300x163-1.png)
Other top-up locations
OpenCall SIM cards can be topped up at the following shops and petrol station networks:
Česká pošta, Tesco, Žabka, ESO market, PEPCO
Shell, OMV, Benzina, MOL, EuroOil
Select O2 (provider of top-up service) in the list of operators.