What is the difference between SIM slot 1 and 2?

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Tags

1. #cases
2. #features
3. #either
4. #calls
5. #marketing
6. #phone
7. #different
8. #slots
9. #supports
10. #depends
11. #support
12. #issues
13. #exact
14. #behind
15. #network
16. #voice
17. #secondary
18. #receive