For Rs. 250 (incl. tax), users can get 4GB or 5GB of dedicated WhatsApp data by dialing *3998# .
While "tnl" files are community-made and often unreliable, Zong 4G provides several official, secure ways to get WhatsApp data: Download Zong Whatsapp (3) tnl
Ensure you have the official WhatsApp app downloaded from the Google Play Store or Apple App Store before attempting any configuration. For Rs