So im staying in South Korea for 2months.
i've just got a new sim card from SKT company.
i want to use my galaxy note 2 device in south korea.
And people here told me that i just need to insert the new sim card i got today to use my original phone(galaxy note 2) unless my device needs to be
unlocked.
unfortunately, i found out that it needs to be unlocked and i dont know how.
Please help me.