Reviews O2 Annual data connection 1.2TB
Interested in reviews of O2 Annual data connection 1.2TB? It got 4.6 out of 5 stars from our customers. Find specific customer reviews of O2 Annual data connection 1.2TB below. We will appreciate if you also share your experiences with O2 Annual data connection 1.2TB after purchasing.
User Reviews
Lukáš, Hradec nad Moravicí
Rated 16/07/2026, variant O2 Annual data connection 50GB
Verified purchase
do not work outside the Czech Republic
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Tomáš, Pilnikov
Rated 08/07/2026, variant O2 Annual data connection 50GB
Verified purchase
Unfortunately, one of the four wasn’t charged, and the O2 helpline just laughed at me, saying I could recharge it again for 999, so I’m waiting for my complaint to be processed.
Cheaper than buying directly from O2
It doesn’t have to have ‘credit’ on it
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Vladimír, Rudice
Rated 03/07/2026, variant O2 Annual data connection 50GB
Verified purchase - review from a price comparison website
Selected based on reviews
Easy to install – works straight away
misleading installation instructions
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Customer
Rated 03/07/2026, variant O2 Annual data connection 50GB
Verified purchase - review from a price comparison website
good price
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Anonymous customer
Rated 18/06/2026, variant O2 Annual data connection 15GB
Verified purchase
You can send an SMS to the card
You can use it with a camera
You can’t make a call on the card
You can’t make a call from the card
Expensive
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Customer, PRAHA 12 Kamýk
Rated 16/06/2026, variant O2 Annual data connection 50GB
Verified purchase
It works well, just as it should!
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Jan, Mnichovo Hradiště
Rated 08/06/2026, variant O2 Annual data connection 50GB
Verified purchase - review from a price comparison website
50 GB of data to use as you like throughout the year, not just for a month
It is not possible to purchase an eSIM directly; you must visit a branch in person to convert it – this cannot be done online
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Stanislava, Mladá Boleslav Debř
Rated 05/06/2026, variant O2 Annual data connection 50GB
Verified purchase - review from a price comparison website
Good price, fast delivery
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Martin, Pardubice
Rated 25/05/2026, variant O2 Annual data connection 15GB
Verified purchase - review from a price comparison website
While it is the cheapest card with data for a year, it is not worth it if you require eSim. You have to physically go to a branch to activate it, where they can also tell you: "We're out of QR code papers, come back in a few days when they arrive. And if they already have the QR papers, they ask for 99 CZK from the transfer to eSim at the branch (you can't do it via My O2 or the info line). Crazy O2 in prehistoric times. Otherwise, of course, 50GB is much better value for money, and even the 99 CZK for the transfer to eSim at the branch is better "dissolved in the price".
The cheapest solution
Disadvantageous in terms of price/volume
Flying around O2 branches for eSim
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Company
Rated 23/05/2026, variant O2 Annual data connection 15GB
Verified purchase
price per year
Unfortunately the Goodwe inverter doesn't work with it, O2 has tighter network security and firewalls on its mobile tariffs that evaluate outgoing inverter communication as a threat and block it.
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