How do i use spanish sim card?

I have bought a spanish sim card as i am going to spain in a few weeks. Do i just pop the sim into my unlocked mobile %26amp; get started or do i have to change any settings on my phone first.How do i use spanish sim card?
No you do not have to change anything at all. Using a Spanish sim card is exactly the same as using a UK one, just insert it into your phone and it will work straight away. (Movistar is the most common Spanish network provider.)How do i use spanish sim card?
it will work fine if you are in Spain. you might have to register it to your phone first. to do this contact the service provider