I am using a dual sim smartphone with sim cards on both the slots. Sim card inserted in slot 1 receives 3G data but, the other sim card inserted in slot 2 receives only 2G data, even though 3G internet pack is activated.

I swapped the sim cards between the slots, believing that there might be an issue with the mobile network, but the same problem exists.

  • My smartphone: Moto E 2nd Generation 3G
  • Android version: 5.0.2

I have even changed the preferred network type to 3G for the sim in slot 2 (Settings -> Data Usage -> Mobile network settings ->Preferred network type) but, no change.

What could be the issue ?

  • Have you tried only using 1 Sim card? Maybe its your software – Snottyrag2003 Mar 2 '16 at 5:09
  • 1
    Not every device supports 3G or above on both SIM slots. I never tried to know whether it's HW or SW limitation but I know that this is a hard fact. My Micromax A110Q supports 3G on both slots but my Micromax A310 supports only in first slot. – Firelord Mar 2 '16 at 8:25
  • Are you in 3G area? – Vivek Ji Mar 5 '16 at 16:39

Thats how dual SIM in this model works. One sim supports WCDMA (3g) bandwitch, while the other one is only EDGE (2g).

  • The may be true but how do we verify your claim? Can you support your claim using a source? – Firelord Mar 5 '16 at 13:14
  • I had this phone for a while and was wondering about it myself. So no source, just my own experience :-D – ikurek Mar 5 '16 at 13:44

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