iphone 5s locked to rogers?? how to unlock?

I bought an iphone 5s on kijiji brand new, but it is locked to rogers,, it says i need a sim card for it to work, what should i do? should i buy a pay as you go sim card thats rogers and then just get it unlocked?? or do i have to get a rogers plan for 90 days and then I can get it unlocked? how does it work?I am not sure?

I suggest you can approach Unlocking4u.com and specify the country,locked network of iPhone 5s.Based on the availability you can get the permanent unlock service along with free instructions.