What does a dual SIM card do?

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Tags

1. #benefit
2. #messages
3. #alternating
4. #radio
5. #switch
6. #necessary
7. #single
8. #effectively
9. #phones
10. #calls
11. #cards
12. #between
13. #receive
14. #added
15. #share
16. #device
17. #place
18. #nokia
19. #however