1. AC Question's Avatar
    I own samsung galaxy note 4 SM-N910C from saudi Arabia,
    now when I came to india and insert sim card it says
    "INVALID sim Card"
    "Network locked sim card inserted"

    So I have to change CSC code or any other to use it in india.?

    Please Help me as soon as I have tired to follow every process.
    02-24-2016 07:43 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which carrier are you using? Are you sure the phone can support the bands that your carrier uses? Samsung Galaxy Note 4 SM-N910H/C - Specifications

    Also, did you buy the SIM card new, or are you borrowing it from someone? Do you know if someone put a SIM lock on it?
    02-24-2016 01:57 PM

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