FlyerTalk Forums - View Single Post - Cannot Figure out Store-bought UK SIM Cards
Old Jul 20, 2023 | 2:13 pm
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gfunkdave
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It seems you have to use the mobile app to apply the data pack to your account. When I used 3 maybe 15 years ago I remember I had to send a special sms after topping up credit to convert the credit to a data pack.

https://www.three.co.uk/support/new-...ing-data-packs
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