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I have an existing sim only line with Vodafone. If I wanted to add an additional line at the moment, I would receive a 15% discount..... if I took this offer and a few months later cancelled the other sim only plan, would I retain the 15% discount?
Usually a discount stays for the period of the contract @simax
Check all small print and T&C's.
It could change as the 15% discount is applied to the additional line.
If you then cancel the main contract the addition line becomes the main contract.
However I would suggest to officially clarify this with Live Chat or the Vodafone Social Media Team via Contact-us-for-account-specific-queries.
We are fellow customers here without any access to Vodafones systems.
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Current Phone > Samsung Note 10+ 5G
Samsung One Ui 2.5 / Android 10.