Slovak fourth mobile operator 4ka does not offer large volume TO packages, available with the basic tariff My 4ka, to be used for EU roaming, reports Zive.sk. From 15 June, the operator introduced a new tariff called My 4ka World, to which it automatically switches the customer when they are travelling abroad.
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When the customer comes back, they are automatically switched back to the domestic tariff My 4ka. RU will assess the EU roaming offers of all four mobile operators, but it seems that 4ka’s practice is not in line with the principles of the EU roaming regulation.