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I have a Samsung Galaxy S Duos 2 (GT-S7582) with two SIMs. I'd like to use one of those SIMs for everything telephony related, the other SIM for everything data related. I managed to set the first card to be the default SIM for outgoing calls, and I deleted the APN for the first card so that only the second SIM is used for data.

However, I still receive calls for the number of the second SIM. I also get the choice to call using the second SIM, which I do not want.

How can I disable receiving calls from the second SIM? How can I fix telephony/data even harder to the individual SIMs?

Android version: 4.2.2

EDIT: As a first workaround, I disabled the default ringtone for the second SIM. This way only the display lights up, which is easy to ignore.

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  • You may be able to semi-disable incoming calls on one sim. A lot of cell companies allow you to set up call forwarding and other options using special codes. Look up the shorts codes available for the carrier of the SIM for which you wish to block calls. Aug 1, 2014 at 20:22
  • I have two SIMs sharing a number, and only one of those is in the dual SIM phone. Sadly, if I change the settings you mentioned, this affects both of these sims - meaning that I also cannot receive calls on my other (non-dual SIM) phone. In other words, I need a solution that is configured for the phone only.
    – C-Otto
    Aug 1, 2014 at 20:31
  • Really? I didn't know you could ever have two SIMs sharing a number. So if you call the number, both phones ring? Aug 1, 2014 at 20:40
  • Correct. It's called Vodafone UltraCard.
    – C-Otto
    Aug 1, 2014 at 20:51

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You can achieve this by applying call barring on the SIM.

Although I know this is a different Andriod version, I am sure you will find something similar to this on my OnePlus 2.

Phone app > Settings > Call settings > SIM 2 > Call barring > Incoming call barring

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  • Can you please improve your answer by making a sentence or adding details.
    – Maxime
    Jan 20, 2017 at 13:02
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    @Maxime done as requested Jan 24, 2017 at 7:09
  • Any idea how to do this on Android 11 (e.g. Pixel 4?)
    – tresf
    Dec 1, 2020 at 17:11

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