You need a lighting usb cable type-5 for the first time connection after that you can securely disconnect

You have to give us some more info

Here’s a good #Nostr guide to start with: http://lnshort.it/nostr-welcome/

If you have any questions after reading it, feel free to ask, but as nostr:npub19jk45jz45gczwfm22y9z69xhaex3nwg47dz84zw096xl6z62amkqj99rv7 said, we’ll need some specifics 😉