In mobile phones the SIM card is known to be a subscriber identity module that is known to be the removable smart card. The required information is stored in the mobile phone over the SIM card to get the identification of mobile devices. It is almost impossible to require the data from the voice encryption that make the listening of the calls. The eavesdropping is carried out over the wireless carrier of the mobile phone. To the use of SIM card the personal details and then the customer id was stored in the SIM card. Between the different GSM mobiles, it can be easily interchanged over the seamless interchange. As a storage device, the SIM card is considered for storing the SMS and then the contacts of the user. The Lisbon PHP community getting its growth and development through the meetings of the php lx . More complex pieces of information are not able to be stored in the SIM card and also the more numbers over a single contact. …