I'm pretty sure if I accidentally press "OK", I get charged extra. In addition to the pop-up, I get the same thing as a permanent notification until I reboot – if I try to disable the notification, I get "These notifications can't be modified", as it is using the built-in system SIM Toolkit. I am using GrapheneOS. Name and shame: MOVISTAR.

Pop-up: "Ultimo dia! Obten in modulo de 30 GB x30 dias por solo $30 en tu proxima factura. Activado dando clic Aceptar
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[–] 7 points 2 months ago (3 children)

Find a new provider? Maybe try my suggestion about denying notification permissions (may not work depending on how they did it).

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  • [–] [S] 7 points 2 months ago (2 children)

    A different provider would probably work. Unsure about the other ones here. I believe root is required to disable Sim Toolkit pop-ups or notifications.

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  • [–] 4 points 1 month ago

    Have you tried dev mode settings? I definitely remember having more granular permissions over notification controls after toggling something in there,,though I forget what.

    The grapheneos forums may be able to help you as well.

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