The fact
20 GB on the O2 network costs 5 euros, while 75 GB is priced at 10 euros.
Vodafone also offers 70 GB for 10 euros on its network.
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20 GB on the O2 network costs 5 euros, while 75 GB is priced at 10 euros.
Vodafone also offers 70 GB for 10 euros on its network.