How to turn old mobile phones into valuables?

Here are some ways to use idle old mobile phones:

1. Install the home monitoring system: put the old mobile phone in every corner of the home and install the corresponding monitoring software, making it a device that can monitor the family situation, look after pets and check the safety at any time.

2. Used as a home media center: connect the old mobile phone with the stereo or TV, and synchronize the media resources such as music, movies and TV programs to the old mobile phone through the streaming app, which is more convenient and enjoyable for entertainment.

3. Set it as a technology alarm clock: install a professional alarm clock application, put idle mobile phones near the bed, and customize mobile phone notifications or calendar information to help reduce sleep disorders and become more comfortable.

4. As children's educational resources: download some children's educational apps or e-books, take care of them or put them at home to help children improve their reading and learning ability.

5. Act as a weather forecast station and a forward assistant: install weather applications and check the local weather at any time, saving time and worry.

6. Become a fitness tracker: In order to facilitate sports tracking, some fitness apps such as FitBit can be installed on idle mobile phones, making it an assistant for fitness activities such as running, cycling and walking.

7. Necessary for outdoor adventure: put it in outdoor mountains, forests and other places and set it as an emergency call system. If you can't connect to the Internet, it is usually used in an emergency.

8. Donate or recycle: If you really don't want to use your old mobile phone again, you can recycle or donate it to a local charity or recipient.