Have you be wondering on how to opt out of the frustrating MTN Caller tunes ringing to your callers even when you have not subscribed for it? Or maybe you wanna cancel your caller tune subscription. Here is the easy solution:How to unsubscribe/stop/cancel MTN Caller tune
Simply text Cancel to 4100.
This procedure will also remove the (sometimes annoying) free jingles to your callers.
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