A Namibian Teenager invents a Sim-Less and Airtime-less Phone

The invention of a secondary school student named Simon Petrus got Namibia‚Äôs social media abuzz for the right reasons. Simon Petrus created a mobile phone that works with radio frequencies, no sim card nor airtime credit required. Calls can be made to anyone, anywhere, without interruptions, as long as they are done in an area with radiofrequency. The invention, […]

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