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BlackBelt Smartphone Defence LTD on X: "Did you know? The first mobile phone was invented in 1973 by Motorola priced at $3,995, which is the equivalent of $10,000 today! https://t.co/U2NzwfUOHN" / X
First motorola phone hi-res stock photography and images - Alamy
Fact sheet: Motorola DynaTAC - the first mobile phone from 1973 - News18
First Versions: Motorola (cellphone)
Mobile phone inventor made first call 50 years ago - BBC News