Assalamo Alaikum Wa Rahmatullah e Wa Barakatohu,

I've found very useful information regarding mobiles. If it works .. I
have not tested but sharing with u ppl. give ur comments over it if
found useful.

http://cd-bills.blogspot.com/2008/01/4-things-you-probably-never-knew-your.html

Was'Salaam
Iqbal Sajid
0300-CD-Bills