SCIENTISTS IN CHINA have created a quantum smartphone that cannot be hacked. The phone comes with a built-in module and a special SIM card that can encrypt and decipher voice calls using “quantum key distribution”, Science Daily reported on Tuesday. A number of countries have been working on similar devices, but China's looks like
China has been pioneering research in quantum communication, and has demonstrated using quantum channels to transmit data a while back https://www.scientificamerican.com/article/china-reaches-new-milestone-in-space-based-quantum-communications/