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Anti-idle smartphone / smartphone

Anti-idle smartphone

Smartphones are now being replaced more and more frequently. A large number of mobile phones are left idle and placed in drawers, losing their due value.At the same time, there are still many poor people in the world who cannot afford a mobile phone. Donating your idle mobile phone can gain more fun and help people in poor areas keep up with the trend.

University

Central South University of

Central South University of
Forestry and Technology
Changsha, China

Jie Hu,
Central South University of