Because most people don't have their network provider with them upon arrest. For instance if when arrested you had 1kg of contraband on you it would be admissi

Because most people don't have their network provider with them upon arrest. For instance if when arrested you had 1kg of contraband on you it would be admissible, for instance if when arrested you had 1kg of contraband at your network provider's NOC then they'd need a warrant to search it.