First time in Pakistan zong introduce to block all promotional sms. Zong always focal point on giving you groundbreaking products to make your life easier. A unique service through which you will be able to control promotional SMS from the comfort of your homes and offices. No need to walk into a Customer Service Center, call the helpline or fill up forms.
To block promotional SMS, enter your number and you will receive a PIN Code, enter that PIN code on the website to block all promotional SMS. To unblock promotional SMS just enter your number and unblock the promotional SMS.
visit zong.com.pk for more details and to activate this.