To activate 3 GB for the summer price of 99 CZK, send a free SMS with the text SUMMER to 999348 or activate the discounted data package in the PROMOTIONS tab in the My OpenCall section of the website here.
You can activate Data for Summer Price for 99 CZK at any time between 1.7. and 31.8.2021. The summer price of 99 CZK for 30 days for the DATA L package is valid for a whole 2 months. After 60 days the DATA L (3 GB) package is renewed for 30 days for the standard price of 199 CZK. The discounted package can be activated once only.
EXTRA DATA FOR EVERY TOP-UP
Top up credit of at least 300 CZK and get an extra 1 GB free as a top-up bonus.