mtnussd

  1. M

    SupaFlex USSD string - Removing the CallerTunez

    Hi everyone, I recently went through the nightmare of trying to remove a CallerTune (that horrible music people hear when they call you) on MTN’s new SupaFlex plan that they seem to automatically subscribe you to without prompt. None of the usual USSD STRING codes worked — but I found the...
    • micbozzy
    • Thread
    • caller tune callertune callertunez cancellation mtn superflex mtn ussd code mtnussd
    • Replies: 1
    • Forum: MTN Mobile Data
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