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Problem:

It is common that when we change Sim card of our Mobile Phone we lose all the dialed and received numbers. Although modern mobiles has the ability to keep record of your all calls, but usually they keep record of 20 calls. And we lose the numbers we received/dialed some days/weeks ago. however, most of the calls we receive/dial to numbers which are saved in either our phone or Sim card memory. But three are times when you received a call from an unknown number two weeks ago and today you need to know the number, but chances are you have lost that number as new numbers have taken place in your recived call history. Read the rest of this entry »