How to formate lg gw 300

How to Format/reset LG GW300 mobile

Hello LG gw300 mobile user you want to hard format your mobile then I tell you how
* Go to your no. dial window and type 1809#*300#
* Be careful you do not stop writing until you write full code either this code not work .
* when you press last no. # then a new window open automatically no need to press and button (dial or other)
* What you get on that window ?
  -1.Device test
   2.ELT mode
   3.Version
   4.FACTORY RESET
   5.Call timmer
   6.End mode
   7.Network info
   8. other
   9. Debug setting
When you press 4 the your phone automatically format and restart

(Before doing this you Save all contact and other todo and other useful things becouse these all are deleted)