Evolution of Mobile Phones - crossword

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Across
  1. 2. The name of the company from the USA which was founded by Steve Jobs.
  2. 5. One of the most popular mobile operating systems, mostly compatible with Samsung.
  3. 7. One of the first mobile phones allowed to use a multi-touch interface.
  4. 9. Martin Cooper’s workplace in 1970s.
  5. 10. Nickname of the first mobile phone inventor.
Down
  1. 1. Birth place of Martin Cooper.
  2. 3. The name of the company which launched second generation (2G) cellular technology in Finland.
  3. 4. Personal ... Assistant.
  4. 6. The name of first smartphone introduced in 1994.
  5. 8. Shorthand of Nippon Telegraph and Telephone.