When i switch on my phone , it will show me to insert a sim card or view a demo first(My sim card is already in the phone) . Pls give me the solution. How many Rs. the service centre take to repair the probleum

Your cell phone may be locked to a particular cell phoneprovider and in this case it needs to be unlocked to use with a different cellphone service provider. To get the security code/restriction code to unlock thecell phone from the current cell phone provider so you can use the SIM cardwith a different phone provider, Please click on this link and follow myinstructions :- http://www.fixya.com/support/r4049238-unlock_cell_phone If your phone provider does not help you then these WEBsites it provides security codes for a
small price. http://www.mobileunlockstore.com/?gclid=CKDb2_y2558CFSlJagodxBkDHw http://www.mobileunlocksolutions.com/ Try this WEB sites - http://www.superunlockcodes.com/unlock-your-phone/rs12wp2/ http://www.unlock-free.com http://www.unlock-zone.com/ http://www.unlocking.com/