It is another object of the present invention to provide a means and {HEAD ~ a method} for preventing {TAIL ~ unauthorized use} of a mobile phone which is easy and convenient to use 
for preventing
It is another object of the present invention to provide a means and { HEAD ~ a method } for preventing { TAIL ~ unauthorized use } of a mobile phone which is easy and convenient to use
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH