First let me explain what active services are.
Active Services are those service network providers use to deduct airtime from your phone.The annoying thing is that, you are not aware of most of these services; they just deduct your airtime whenever you have credited or recharge.
I also have suffered heavily from this especially on MTN until I found a solution which am about to share with you.
please this tip is only for those who don't

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How To Find And Stop Active Services On Your Phone - Phone Tech Villa http://phonetechvilla..com/2017/08/how-to-find-and-stop-active-services-on.html