“All mobile phone users in China registering new SIM cards must submit to facial recognition scans, according to a new rule that went into effect across the country on Sunday […].

China’s education ministry said in September it would “curb and regulate” the use of facial recognition after parents grew angry when facial recognition software was installed without their knowledge at a university in Nanjing to monitor students’ attendance and focus during class.”

Source : China brings in mandatory facial recognition for mobile phone users | World news | The Guardian