How to use old mobile phones?

Idle old mobile phones can be fully utilized in the following ways to let them use their residual heat:

1. As a backup mobile phone: Use the old mobile phone as a backup mobile phone when the main mobile phone fails. Or when you need to recharge, you can use a backup phone. This avoids not having a mobile phone available in an emergency.

2. As a learning tool for children: Use old mobile phones as learning tools for children, download some learning software or games, and let children learn and play on the old mobile phones. In this way, idle mobile phones can be used, and children can also gain some useful knowledge.

3. As an independent music player: Use the old mobile phone as an independent music player, download some music software or songs, and store them in the old mobile phone. This way you can listen to music conveniently without consuming your main energy. The battery level of your phone.

4. As a photographic equipment: Some old mobile phones may also have good camera capabilities and can be used as a photographic equipment. When traveling or taking photos, you can use the camera function of your old mobile phone to get more shooting fun.

5. As a mobile power supply: Use your old mobile phone as a mobile power supply to charge other devices, such as Bluetooth headsets, tablets, etc., by connecting USB cables to other devices. This way you can make full use of your old phone and charge other devices conveniently.

6. Use as a remote monitoring camera: Use the old mobile phone as a remote monitoring camera. By downloading the corresponding application, the old mobile phone can be converted into a monitoring device. You can check the status of your home, company, etc. anytime and anywhere. situation and improve the security of homes and businesses.

To sum up, idle old mobile phones can be fully utilized in a variety of ways to let them use their residual heat. This can not only bring convenience and fun to life, but also save a certain amount of money