What does Duo mean on a cell phone?

Related questions

1. Should we wait for 5g phones in India?
2. Is Samsung j6 plus a good phone?
3. Does the Samsung s10 have dual sim?
4. Does Samsung have dual sim?
5. Does iPhone have dual SIM card slots?
6. What is the E in Samsung s10e?
7. What is the advantage of a dual SIM phone?
8. What is a Samsung s10e?
9. Does Samsung have a dual SIM phone?
10. Will you need a new phone for 5g?

Tags

1. #caller
2. #preview
3. #switches
4. #their
5. #networks
6. #automatically
7. #calls
8. #knock
9. #someone
10. #cellular
11. #april
12. #answering
13. #update
14. #worldwide
15. #allowing
16. #based
17. #phone
18. #numbers
19. #contact
20. #users
21. #before
22. #audio
23. #between
24. #feature