Setup the second call on Xiaomi: how to enable and use

Xiaomi’s modern smartphones support two SIM-Many users are faced with a problem: the second call does not work or fails to accept an incoming call to the second. SIM. The reasons may lie in the wrong network settings, operator conflict or firmware limitations. In this article, we will discuss how to properly configure dual call on Redmi devices, POCO and Mi, including models with support 5G VoLTE.

Feature of Xiaomi phones – flexible management SIM-maps via the Settings menu β†’ SIM-maps and mobile networks, but even after activating the second SIM Users often complain that calls go only to the first card, and the second card remains invisible to subscribers. MIUI And then you have the step-by-step instructions that take into account all the nuances.

If you use a Xiaomi smartphone with two SIM-cards, but the second number can not receive calls, the problem may be related to the:

  • πŸ“΅ Disabled option "Double call" in the settings of the network;
  • πŸ”„ Conflict of priorities between SIM-cards (for example, one card is configured only to 4G, And the second one. 2G);
  • πŸ“‘ Operator restrictions (some tariffs block incoming tariffs on the second one) SIM);
  • πŸ”§ Software bugs in the firmware (relevant to the MIUI 14 and newer).

1. Check for dual call support with your Xiaomi model

Not all Xiaomi smartphones support the simultaneous operation of two SIM-map-mode DSDS (Dual SIM Dual Standby, for example, models with Snapdragon chipsets. 4xx Redmi A-series budgets may have limitations to make sure your phone is able to take calls to both. SIM:

  1. Open Settings β†’ About the phone β†’ Full specification;
  2. Check the Support line SIM-It should be marked "Dual". SIM Dual Standby (DSDS)";
  3. If you have dual SIM Dual VoLTE, your phone supports simultaneous calls to both SIMs (even if one card is taken).
πŸ“Š What Xiaomi model do you use?
Redmi Note 12
POCO X5
Mi 11
Redmi 10
Another model

On some models (e.g. POCO F5 or Xiaomi 13T), the dual call function only works when VoLTE is activated on both SIMs. If your carrier does not support VoLTE, the second SIM can only receive calls in 2G/3G mode, resulting in delays or missed calls.

⚠️ Note: On smartphones with MediaTek Helio G (e.g. Redmi) 9A) Active Internet on the first SIM The second card can be temporarily disconnected from the network.

Setting priorities SIM-call-in map

By default. MIUI priority SIM-card SIM 1) That calls are distributed evenly or to a specific card:

  1. Go to Settings β†’ SIM-cards and mobile networks;
  2. Select the default call;
  3. Specify your preferred SIM for outgoing calls (this does not affect incoming calls!)
  4. Below, find the option to Accept incoming calls on and select:

If you don't have the option to accept incoming calls, your firmware doesn't support manual distribution.

  • πŸ”„ Try to change it. SIM-maps in places (place them in place) SIM 1st SIM 2);
  • πŸ“± Update. MIUI Up to the latest version (in new firmware, the function may appear).

Make sure both of you SIM menu-active "SIM-maps and mobile networks"|

Check the balance on both cards (some operators block incoming cards at zero balance)|

Turn off In-Air mode and reboot phone |

Try to call everyone. SIM from another test number-->

3. Network setting for stable operation of two SIMs

If the second SIM doesn't receive calls, the problem may be in network modes, for example, if the first SIM runs in 4G and the second in 2G, conflicts may occur.

ParameterRecommended valueExplanation
Preferred type of network4G/3G/2G (auto)Allows both SIMs to connect to available networks without conflict.
VoLTE modeIncluded for both SIMsWithout VoLTE, the second SIM may not be available during a conversation on the first.
RoamingDisconnected (unless you are roaming)In some regions, roaming blocks the second SIM.

To change the network settings:

  1. Go to Settings β†’ SIM-cards and mobile networks;
  2. Choose the right one. SIM-map;
  3. Click Network Type and install 4G (preferably).
  4. Activate VoLTE and VoWiFi (if available).

⚠️ Note: On some carriers (e.g. Tele2 or Yota), VoLTE may not work as well. SIM Stop taking calls, try turning it off for one of the cards.

4. Solve problems with missed calls on the second SIM

If the second SIM-The card does not ring, but in the settings everything is correct, check the following points:

  • πŸ” Operator lock: Some tariffs (for example, "For calls" from MTS) block incoming tariffs for the second SIM. Check the conditions with the operator;
  • πŸ“Ά Weak signal: If the second SIM show 1-2 network division, calls can be reset. Try manually selecting the network in Settings β†’ Mobile network β†’ Network operators;
  • πŸ”„ Conflict with Wi-Fi: VoWiFi (wi-fi calls) SIM Turn off the Wi-Fi and check it out;
  • πŸ“± Software Failure: Reset network settings in Settings β†’ System system β†’ Resetting settings β†’ Resetting network settings.

If the problem persists, make a test call:

  1. Call the second SIM from another phone.
  2. If the call is reset after 1-2 beeps, the problem is on the operator’s side.
  3. If the call is coming, but the phone does not ring, check Do not disturb and flight mode.
What if the second SIM is not defined at all?
If the phone doesn't see the second SIM-card (no network, no service error), the reasons may be hardware: 1. SIM-tray – check the contacts on the slot (especially if the phone fell). 2. Incompatible format – some Xiaomi do not support nano-SIM + microSD simultaneously. 3. Software failure – update the firmware or reset to factory settings (pre-backup!). If the problem persists, contact the service center for the diagnosis of the communication module.

Different series of Xiaomi smartphones have unique nuances in working with two SIMs.

ModelFeatures of the double callRecommendations
Redmi Note 11/12It supports Dual VoLTE, but can lose the network on the second SIM when the first SIM is active.Turn off 4G for the second SIM if you don't need internet.
POCO X4/X5The default firmware has disabled the "Accept incoming to..." option requires a MIUI update.Install the latest firmware version through Settings β†’ System Update.
Xiaomi 13/13 ProSupports 5G+4G at the same time, but the second SIM can only work in 4G.For stability, disable 5G for the second SIM.

On devices with HyperOS (such as Xiaomi 14) settings menu SIM-The card's changed to set up a double call:

  1. Go to Settings. β†’ Connections β†’ SIM-maps and mobile networks;
  2. Select additional settings;
  3. Activate the Double Call in Standby Mode.

πŸ’‘

If you lose your dual call settings after the MIUI update, try resetting the network settings: Settings β†’ Memory β†’ Resetting β†’ Network Reset. This will return the settings to factory settings without losing data.

6. Alternative ways to manage calls

If the standard settings do not help, use additional features:

  • πŸ“± Annex β€œDual” SIM": V MIUI There is a built-in management application SIM-Find it through a search system;
  • πŸ”„ Call forwarding: Set up a redirect from the second SIM First in Settings β†’ SIM-map β†’ Call forwarding;
  • πŸ“ž Google Phone: Install an alternative Google Phone call from the Play Market – it better manages dual phone calls SIM.

For forwarding calls:

  1. Open the phone β†’ Three points β†’ Settings β†’ Call forwarding;
  2. Select the second SIM.
  3. Specify the first SIM number in the forwarding field;
  4. Save the settings.

⚠️ Attention: Redirection may be paid for by some operators (for example, Beeline takes a charge). ~3 RUB/min.Clarify the rates before activation!

7. Frequent mistakes and how to avoid them

When setting up a double call, users often make the following mistakes:

  • ❌ Use of one SIM So, the other one is just for calls, and that leads to a network conflict. Solution: turn on Mobile Data for both. SIM In Settings β†’ SIM-map β†’ Mobile Internet;
  • ❌ Disabling VoLTE on one of the SIM. Without VoLTE, the second card will not be available during the conversation on the first card;
  • ❌ Installation of microSD in the slot SIM 2.On some models (Redmi 9, POCO M3) Hybrid slot – you can not use the second one at the same time SIM memory card.

If after all the manipulations the second SIM still does not receive calls, perform a diagnosis:

  1. Put it in. SIM-card to another phone and check its performance;
  2. Try another SIM of the same operator in the SIM 2 slot.
  3. Reset your network settings (see Section 4).

πŸ’‘

On most Xiaomi smartphones, dual call only works stably when VoLTE is enabled on both SIMs. If the operator does not support VoLTE, consider changing the tariff or operator.

FAQ: Answers to Frequent Questions

Can I receive calls to both SIMs at the same time?
Yes, but only if your phone supports Dual VoLTE (e.g. Xiaomi 12T, POCO F4), in which case the first call to the second SIM will be held, and the second will be received with a notification, and if the Dual VoLTE is not, the second call will be reset or transferred to voicemail.
Why doesn’t the second SIM catch the network when the first one is active?
This is a feature of MediaTek chipsets and some Snapdragon. When you have active Internet on the first SIM, the second one can temporarily disconnect from the network. Solutions: Turn off mobile Internet on the first SIM; Use Wi-Fi instead of mobile data; Activate Dual 4G in network settings (if available).
How do I make sure that only one SIM is called?
In the settings SIM-maps and mobile networks β†’ Accept incoming calls to select the desired SIM. You can also turn off the second one. SIM on the same menu, but then it will not be available for outgoing calls.
SIM settings have been reset after the MIUI update.
Update your firmware to the latest version, then: Restart your phone; Reset your SIM settings manually (see section 2); If the problem persists, reset your network settings (Settings β†’ Memory β†’ Reset).
Can I use two SIMs from different operators?
Yes, but consider: Some operators (e.g. Yota) block incoming SIMs if they are from another provider; Network conflicts may occur when roaming; Fees with unlimited calls may not apply to calls between different operators.