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Redmi Note

[Discussion] Which is the primary SIM for Redmi Note 4? Nano-SIM or Micro-SIM?

2017-05-02 09:12:55
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I have a nano-SIM card specifically for data use and another micro-SIM card for calling only. Both are prepaid cards and I reckon my telcos do not provide services for changing such cards.

On Xiaomi official web site, the specs for Redmi Note 4 read as follows,
4G dual SIM:
3-choose-2 hybrid SIM tray
Nano-SIM + micro-SIM or Micro-SIM + micro SD card
Dual SIM use:
When two SIM cards are used simultaneously, the primary SIM can support 4G+/ 4G / 3G / 2G calls and data while the secondary SIM can support 3G calls oniy.

Can someone clarify which of the dual SIM is the primary SIM? Is it the nano-SIM or micro-SIM?

I know I can DIY and resize the SIM cards, but I would appreciate if someone has the answer so I can make an informed decision. Thanks!

2017-05-02 09:12:55
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Dual SIM doesn't matter which is primary SIM. You can set nano or even microSIM as your primary SIM.

I won't suggest you to perform any modification to your SIM, you will somehow will get issue with the slot.

As long as 2 SIM is being used, either slot 1 or 2 will be 3G voice.
2017-05-02 09:48:27
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