Xiaomiβs 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 β 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:
- π΅ Disabled option "Double call" in the settings of the network;
- π Conflict of priorities between SIM-cards (for example, one card is configured only to 4G, And the second one. 2G);
- π‘ Operator restrictions (some tariffs block incoming tariffs on the second one) SIM);
- π§ 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:
- Open Settings β About the phone β Full specification;
- Check the Support line SIM-It should be marked "Dual". SIM Dual Standby (DSDS)";
- If you have dual SIM Dual VoLTE, your phone supports simultaneous calls to both SIMs (even if one card is taken).
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.
β οΈ 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:
- Go to Settings β SIM-cards and mobile networks;
- Select the default call;
- Specify your preferred SIM for outgoing calls (this does not affect incoming calls!)
- 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.
- π Try to change it. SIM-maps in places (place them in place) SIM 1st SIM 2);
- π± 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.
| Parameter | Recommended value | Explanation |
|---|---|---|
| Preferred type of network | 4G/3G/2G (auto) | Allows both SIMs to connect to available networks without conflict. |
| VoLTE mode | Included for both SIMs | Without VoLTE, the second SIM may not be available during a conversation on the first. |
| Roaming | Disconnected (unless you are roaming) | In some regions, roaming blocks the second SIM. |
To change the network settings:
- Go to Settings β SIM-cards and mobile networks;
- Choose the right one. SIM-map;
- Click Network Type and install 4G (preferably).
- Activate VoLTE and VoWiFi (if available).
β οΈ 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:
- π Operator lock: Some tariffs (for example, "For calls" from MTS) block incoming tariffs for the second SIM. Check the conditions with the operator;
- πΆ 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;
- π Conflict with Wi-Fi: VoWiFi (wi-fi calls) SIM Turn off the Wi-Fi and check it out;
- π± 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:
- Call the second SIM from another phone.
- If the call is reset after 1-2 beeps, the problem is on the operatorβs side.
- 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?
5. Features of settings on popular Xiaomi models
Different series of Xiaomi smartphones have unique nuances in working with two SIMs.
| Model | Features of the double call | Recommendations |
|---|---|---|
| Redmi Note 11/12 | It 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/X5 | The 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 Pro | Supports 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:
- Go to Settings. β Connections β SIM-maps and mobile networks;
- Select additional settings;
- Activate the Double Call in Standby Mode.
π‘
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:
- π± Annex βDualβ SIM": V MIUI There is a built-in management application SIM-Find it through a search system;
- π Call forwarding: Set up a redirect from the second SIM First in Settings β SIM-map β Call forwarding;
- π Google Phone: Install an alternative Google Phone call from the Play Market β it better manages dual phone calls SIM.
For forwarding calls:
- Open the phone β Three points β Settings β Call forwarding;
- Select the second SIM.
- Specify the first SIM number in the forwarding field;
- Save the settings.
β οΈ 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:
- β 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;
- β Disabling VoLTE on one of the SIM. Without VoLTE, the second card will not be available during the conversation on the first card;
- β Installation of microSD in the slot SIM 2.On some models (Redmi 9, POCO M3) Hybrid slot β 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:
- Put it in. SIM-card to another phone and check its performance;
- Try another SIM of the same operator in the SIM 2 slot.
- Reset your network settings (see Section 4).
π‘
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.