When I look at detailed specifications of android devices sometimes it is possible to filter them by choosing if a microsd card slot is shared or is dedicated.

Unfortunately I am not able to find a resource describing what that means and what the difference is.

  1. MicroSD storage will be shared between what?
  2. MicroSD storage will be dedicated to what?

Internal / external storage? SIM-modules? Anything else?

And whats the pros and cons?

1 Answer 1


You're most likely looking at DualSIM devices. If they come with a dedicated SD card slot, you can use 2 SIMs and an external SD card. If it's a shared slot, it's either 2 SIMs or 1 SIM + SD card – i.e. the SD card slot is shared with the slot for the second SIM.

  • So I can plug in 1 SD card and at any time either a second SIM card or an SD card because there is this "shared" or hybrid slot and not 2 SIM card slots + one extra slot for SD cards, right?
    – user573215
    Nov 24, 2017 at 21:47
  • Make the first SD card a SIM ("I can plug in 1 SIM card"), and that's it, yes.
    – Izzy
    Nov 24, 2017 at 21:49
  • Ups, of course you're right.
    – user573215
    Nov 24, 2017 at 22:03

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