Trick to activate a new sim in a minute New

Guys now i am here to tell u a trick to activate a new sim in a minute.
So hear the trick.When u buy any new sim . The shopkeeper will tell u to wait few hours to get the sim activated.
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.when u purchase a new sim card u will get two or three papers in which u have to fill the details.

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.check the page in which your mobile number is written.and near your number you can see
SR NUMBER.[serial number]
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. IF YOU WANT INSTANT ACTIVATION THEN INSERT SIM IN YOUR MOBILE AND DIAL THESR NUMBER TWO TIMES. .
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.THATs all..your sim card'll be activated within one minute