📱 FDN Setting क्या है? (Fixed Dialing Number)
🔎 परिचय ( Introduction ) FDN यानी Fixed Dialing Number एक SIM आधारित सुरक्षा फीचर है। इसे ऑन करने पर…
📱 What is FDN Setting? (Fixed Dialing Number)
🔎 Introduction FDN stands for Fixed Dialing Number. It is a SIM-based security feature that restricts outgoing calls. When enabled,…