The aging or damage of the old iPhone in your hand leads to serious depreciation, and you can't sell it for a few dollars and then resell it. It's a pity to abandon it. As long as it can connect to the wireless network, you can still make full use of it!

IPod replacement

You can play streaming music through a Wi-Fi connection, or download songs directly to your device and use iPhone as a dedicated music player. When you want to listen to music but don't want to consume the power of the main mobile phone, such as when you take a long-distance train.

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You can install the old iPhone on the kitchen wall or shelf, turn on the "Hey Siri" function of the iPhone, and wake up the intelligent voice assistant to get the hands-free function. It can help you search recipes, set timers and reminders.