A:AnswerIf you are referring to the Ledger Nano S Plus, the answer is no, it cannot connect directly to an iPhone. While the "S Plus" is an upgrade from the original Nano S, it still lacks Bluetooth and relies solely on a USB cable.
the Ledger Nano X can connect to an iPhone. Unlike the Nano S or S Plus, the Nano X is equipped with Bluetooth Low Energy (BLE), which allows it to pair wirelessly with iOS devices.
A:AnswerYou will have the chance to write down your seed phrase when you initialize the Ledger account. As long as you have the seed phrase, you can recover your account. However that also means if someone gets ahold of that seed phrase, they can access your assets.
A:AnswerWhat do you mean private Ethereum networks?
It works perfectly well with Ethereum. If you're talking about a different, private EVM chain then I'm not sure
A:AnswerPlease look more into the blockchain/digital assets before you spend money on a ledger device. Your internet access has nothing to do with this whatsoever.