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Summer data

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Activate DATA XL for 175 CZK by sending the keyword SUMMER to 999348 or in the OpenCall Self Service under the ACTIONS tab.

MY Opencall selfcare

You can activate your data at the summer price for 2 months at any time between 2 July and 31 August 2025. The summer price of CZK 175 for 30 days for the DATA XL package is valid for 2 months. After 60 days, the package will renew at the standard price of CZK 349 for 30 days. You can activate the discounted package only once.

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Have you already taken advantage of other Opencall benefits?

We're giving away free data until 30 September 2025.

We're giving away free data until 30 September 2025.

Top up your phone with a minimum of CZK 300 and win 1 GB extra to your activated data package!
You can use the promotion as many times as you like.
Every time you top up your phone above CZK 300, you automatically get 1 GB extra for free.