new sim card in my old phone
how do I unlock my old phone so it will use her sim card
how do I unlock my old phone so it will use her sim card
Contact the carrier it's locked to. See this article: https://support.apple.com/en-us/HT201328
Contact the carrier it's locked to. See this article: https://support.apple.com/en-us/HT201328
new sim card in my old phone