Question

who had discovered phone​

Answer 1

$\huge \bf \green{Answer}$

Martin Cooper⤵⤵⤵⤵

➡On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.

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Answer 2

Answer:

Alexander Graham Bell had discovered phone .