Focusing on institutional explanations we try to apprehend the digital divide phenomena. We show that competition measured by mobile phone number of operators is positively and significantly correlated to mobile phone diffusion. We always show that other institutional factors like (independent) regulation, privatization (taken twice) and the sequence of reforms had played a major role in the mobile phone diffusion. Particularly we find that reform sequency have an elevated coefficient demonstrating the powerful role played by this action to give a response to the digital divide phenomena particularly in the telephony field