O2 Czech Republic Offers 100GB/Month for CZK 249 with Updated Datamania Annual Plan
Prague, Czech Republic – O2 Czech Republic has revamped its annual Datamania prepaid data plan, now offering customers an effective rate of CZK 249 per month for 100GB of data. The change, implemented October 15, 2025, merges previous annual and monthly Datamania options, adding call and SMS functionality to the annual plan.
Previously a data-only offering, the annual Datamania card now includes unlimited calls within the Czech Republic for CZK 15 per day and SMS messaging at CZK 2 per message. The standard monthly Unlimited Datamania remains available for CZK 849 (currently on sale for CZK 699), while the monthly “classic” Datamania is offered at CZK 449 (sale price CZK 349) for 30 days. A full year of the standard annual Datamania is currently priced at CZK 2988, down from the regular price of CZK 3,468.
O2 now offers two Datamania tariffs: Unlimited Datamania,a prepaid flat rate excluding SMS (CZK 1.50 per SMS), and the standard datamania available monthly or annually. All Datamania plans provide full network speed,including 5G,but data usage is limited to the czech Republic and does not include roaming or EU countries. Data within the annual prepaid volume can be used throughout the 365-day period as needed.
Further information is available from O2.