Xiaomi Mi 11 Ultra: How many? SIM-Supports the cards and how to use them correctly

Xiaomi’s flagship Mi 11 Ultra smartphone, released in 2021, is still one of the brand’s most talked-about devices thanks to its revolutionary camera, powerful stuffing and premium design. However, when choosing a phone, many users overlook such an important aspect as support. SIM-card, especially if you're talking about two SIMs or compatibility with modern standards like eSIM, this article will look at everything from the number of physical slots to the intricacies of setting up two SIMs. SIM-maps in Mi 11 Ultra.

It is important to understand that the number SIM-The card has a direct impact on the usability of the device, for example, owners who travel frequently or share work and personal numbers will not be able to do with a single SIM. Those who plan to use the Mi 11 Ultra as their main business and entertainment gadget should know in advance whether the dual-SIM model supports the desired configuration.

Technical characteristics of SIM-slots in Xiaomi Mi 11 Ultra

Xiaomi Mi 11 Ultra is equipped with a hybrid slot for SIM-This means that you can choose between two physical nano-SIMs or one nano-SIM and a microSD card. This is a classic solution for flagships in 2021, but with a number of features:

  • πŸ“± Type of slot: Hybrid (2 nano-SIM or 1 nano-SIM) + microSD to 256GB).
  • 🌐 Network support: 5G (SA/NSA), 4G LTE, 3G, 2G β€” both Sims at the same time.
  • ⚑ Dual Technology SIM Dual Standby (DSDS): Both SIMs are active, but only one can work on the network. 4G/5G momentarily.
  • πŸ”„ Network switching: automatic or manual via the settings menu.

The main question is whether two of them can be used. SIM-Answer: No, it's not possible because of the hybrid design of the slot. You have to choose between a second SIM or a memory extension. This limitation is typical for most of Xiaomi's flagships of the period, including the Mi 11 Pro and Mi 11 Lite.

As for internet speed, the Mi 11 Ultra supports Dual 5G β€” but with a caveat: if one SIM runs on a 5G network, the second automatically switches to 4G or lower, this is done to save energy and stability of communication. We will talk more about compatibility with operators in the next section.

πŸ“Š How you use it SIM-smartphone-card?
Just one sim
Two physical SIMs
One physical + eSIM
Two SIMs + MicroSD (if supported)

ESIM support: Is there an electronic version of the Mi 11 Ultra? SIM-map?

One of the most frequent requests of users is the question of support for eSIM - virtual SIM-Unfortunately, the Xiaomi Mi 11 Ultra does not support eSIM in any version (global, Chinese or Indian:

  • πŸ“„ Official documentation: there is no mention of eSIM in the device specifications on Xiaomi’s website.
  • πŸ”§ User Tests: in the Settings menu β†’ SIM-Maps and mobile networks do not have the option to add eSIM.
  • πŸ“± Hardware limitations: The model uses a Qualcomm Snapdragon 888 chip that supports eSIM, but the manufacturer has not implemented this feature at the software level.

For comparison, newer Xiaomi models like the Xiaomi 12S Ultra or Xiaomi 13 Pro have already received eSIM support. If this feature is critical for you, it’s worth considering alternative options – for example, the flagship Samsung Galaxy S22 Ultra or iPhone 13 Pro Max, where eSIM works without restrictions.

⚠️ Note: Some vendors may claim that the Mi 11 Ultra supports eSIM after "firmware." This is not true - the hardware of the device does not provide such a possibility, and no manipulation of the software will add this feature.

How to set up two SIM-Xiaomi Mi 11 Ultra cards: step-by-step instructions

If you choose to use two physical SIM-It takes only a few minutes to set up the cards. Follow this instruction to avoid common errors:

  1. Installation SIM-Turn off the phone, remove the tray for SIM-cards with a paper clip (hole to the right of the port) USB-C). Place two nano-SIMs in slots SIM1 and SIM2 Make sure the cards fit tightly with the contacts.
  2. Activation: Turn on the device. Go to Settings β†’ SIM-You'll see both SIMs here, which indicate the operator, and if one of them isn't identified, check the installation correctly, or try rebooting the phone.
  3. Setting priorities: In the same menu, select Management SIM-You can do it here: πŸ“ž SIM for calls (default or request each call). πŸ“Ά Mobile Internet SIM (recommended) 5G/4G basic). πŸ’¬ Simka for SMS (You can choose each contact separately).

Network switching:

In the Mobile Network section, you can manually select the mode (5G/4G/3G/2G) for each SIM, or leave the Auto. To save battery power on the second SIM, you can limit 4G.

Both SIM-Cards activated by the operator|SIMs are trimmed to nano-SIM|The tray is inserted before clicking.|In the settings selected SIM for the Internet-->

If one of the SIMs does not catch the network after setting up, try:

  • πŸ”„ Reboot the phone.
  • πŸ“Ά Manually select the operator in the settings (Settings) β†’ Mobile network β†’ Choice of network).
  • πŸ”§ Update to the latest version (sometimes bugs with the software) SIM patch-fix).

Compatibility with operators: which SIM-The cards work without any problems?

Xiaomi Mi 11 Ultra supports most Russian and international operators, but there are nuances with the settings of 5G and VoLTE. The table below shows a list of verified operators and features of their work:

Operator.Support for 5G supportVoLTE (voice over 4G)Additional settings
MTSβœ… Yes.βœ… Yes (automatically)For 5G a support rate is required and SIM-map USIM
Beelineβœ… Yes.βœ… Yes (on manually)VoLTE activated via *110*181#
MegaFonβœ… Yes.βœ… Yes.5G only works in areas with coverage
Tele2❌ No, at the time of release)βœ… Yes.5G support comes later – software update is needed
Yotaβœ… Yes.❌ No.It works only as a second SIMKA (the main one is another operator).

For the stable operation of the two SIM-Cards are recommended at the same time:

  • πŸ†” Use SIMS of different operators (for example, MTS) + Beeline to avoid network conflicts.
  • πŸ“Ά Disable automatic network selection for second SIM if it is used only for calls.
  • πŸ”‹ Monitor signal strength – a weak signal on one SIM can impair the performance of another.

⚠️ Attention: Some users have a problem when one SIM is active, the second one stops taking calls, due to the limitations of the Snapdragon 888 chipset, and the solution is to include the "Always Keep Connection" option for the second SIM in the settings (if available).

Frequent problems with SIM-Mi 11 Ultra cards and their solutions

Even in flagship devices sometimes there are failures with SIM-Let's look at the typical scenarios and how to fix them:

1.The phone doesn't see one or both SIM-map

Possible causes:

  • πŸ”Œ Smooth fit to the contacts (check the tray for deformation).
  • πŸ“± Damage to the slot contacts (often after falls or moisture hits).
  • πŸ“² Software failure (solved by resetting network settings).

Decision:

  1. Remove and re-insert. SIM-map.
  2. Wipe the SIM and slot contacts with dry cloth.
  3. Go to Settings β†’ System β†’ Reset β†’ Network Reset.
  4. If the problem persists, check the SIMs on another phone.

2. mobile Internet does not work on one of the sims

Reasons:

  • πŸ“΅ Wrong settings APN (point).
  • πŸ“‘ Limitation of operator (e.g., traffic is exhausted).
  • πŸ”„ Conflict of priorities between SIMs.

Decision:

Settings β†’ SIM- Maps and Mobile Networks β†’ [Select SIM] β†’ Access Points (APN) β†’ Resetting to Default Values

If this does not help, manually enter your carrier’s APN settings (you can find them on the official website).

3. the battery is discharged quickly when using two SIM-map

This is normal, because the phone is constantly scanning the networks for both sims, to reduce consumption:

  • πŸ”‹ Turn it off. 5G on the second SIM, if it is used only for calls.
  • πŸ“Ά Enable the "Traffic Saving" mode in the mobile network settings.
  • ⚑ Use the β€œBattery Optimization” function in the power settings.

πŸ’‘

If you travel frequently, keep your APN settings for foreign operators in your notes, which will save you time when changing your SIM card abroad.

Alternatives: What to do if you have two SIM-mapping?

If you need more than two numbers or want to combine a physical SIM with an eSIM, consider the following options:

  • πŸ“± Using a second phone: For example, Xiaomi Mi 11 Lite compact or POCO X3 Pro as a backup device for the second SIMKA.
  • 🌐 Virtual Number Services: Apps like Google Voice or Dingtone allow you to have an extra number over the Internet.
  • πŸ”„ Multiple.-SIM Adapters: There are adapters for installing two nano-SIMs in one slot, but they can cause network problems and are not recommended for everyday use.
  • ☁️ Cloudy SIM: Some carriers (such as Truphone) offer virtual SIM-The cards, but their support in Russia is limited.

If you are critically interested in eSIM + physical SIM support, pay attention to the following models:

ModelSupport for eSIMNumber of physical SIMs
Xiaomi 13 Proβœ… Yes.1 nano-SIM
Samsung Galaxy S23 Ultraβœ… Yes.1 nano-SIM
iPhone 14 Pro Maxβœ… Yes, up to 8 eSIMs)1 nano-SIM

When choosing an alternative, keep in mind that the Xiaomi Mi 11 Ultra remains one of the best flagships in terms of camera, performance and price. SIM-Cards may be worth accepting the limitations or using an additional device.

πŸ’‘

The hybrid slot in the Mi 11 Ultra is a compromise between memory expansion and the second. SIM-If you need both features at the same time, consider models with dedicated slots (like the Redmi Note 11 Pro).+).

Is it possible to use a microSD in the Mi 11 Ultra? SIM-map?
Yes, it's possible thanks to a hybrid slot. You can install one nano-SIM into a slot. SIM1 and microSD card in the slot SIM2. However, in this case the second SIM-The card will not be used.
Does the Mi 11 Ultra support the two? SIM-map-mode 4G+4G?
Technically, but with limitations. Both SIMs can be active on 4G networks, but if one switches to 5G, the other automatically radios to 3G or 2G to save power, which is a behavior embedded in the firmware and cannot be changed.
What to do if the software stops working after the update SIM-map?
This is a rare but possible problem. Try the following steps: Reboot your phone. Reset your network settings (Settings β†’ System β†’ Reset β†’ Network Reset). If it doesn't work, reset to factory settings (remember to back up!). In a pinch, reflash the device through the Mi Flash Tool. If the problem persists, contact the service center - the communication module may be damaged.
Can I use the Mi 11 Ultra? SIM-Card and eSIM simultaneously?
No, the Xiaomi Mi 11 Ultra does not support eSIM in any of the modifications: maximum - two physical nano-SIM or one nano-SIM + microSD.
What? SIM-The Mi 11 Ultra card is the default card?
The default is the primary SIM-slot-card SIM1. It's the one that's used for the Internet and outgoing calls, unless you're configured otherwise. β†’ SIM-maps and mobile networks β†’ Management SIM-map.