@AnfirmorThe only way to cancel the contract is pay off the remaining months of your contract.
Full details are in the T&C's section 8.3 and 8.4
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iPhone 16 Pro Max - o2 and Spusu
Xperia 1V - Spusu
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This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company