Xiaomi Mi 10: How much? SIM-The cards are supported by the flagship of 2020?

Question of quantity SIM-Xiaomi smartphones often have cards for users who want to combine work and personal numbers or use the services of different operators. Xiaomi Mi 10, released in 2020, has become one of the most popular flagships of the brand, but its configuration of slots for the mobile phone. SIM-Some people say it's a classic Dual. SIM, Others talk about a hybrid slot, and some are even interested in eSIM support.

In fact, the Mi 10 refers to devices with a hybrid slot system, where the second slot can work either as a place for a second nano-SIM or as a microSD card connector. This solution is typical of many Xiaomi flagships of the period, but has its own nuances. In this article, we will discuss all the use cases. SIM-maps in Mi 10, compare with other models of the series and give practical tips for setting up.

We will focus on compatibility with 5G (The Mi 10 was one of the first mass-produced smartphones to support a new communication standard and how to distribute traffic between the two. SIM-If you're planning to buy this smartphone or you've had problems installing cards, it's going to be useful.

Technical characteristics of SIM slots in Xiaomi Mi 10

The official specifications of the Xiaomi Mi 10 indicate the presence of two nano-SIM slots, but with an important caveat: the second slot is hybrid.

• 📱 Two nano-SIM cards (Dual mode) SIM Dual Standby, DSDS)
• 💾 One nano-SIM + microSD memory card (up to 256 GB)

This approach allows you to adapt flexibly to the needs of the user, but makes it impossible to use two simultaneously. SIM-It is important to note that the Mi 10 does not support eSIM, a feature that came later in the Xiaomi 12 and later.

Slot for SIM-The card is located on the left end of the case (if you look at the screen) and opens with a special key-clip, which comes with the package:

• 🔢 Slot 1 — Mainstream, supportive 4G/5G (depending on the model version)
• 🔢 Slot 2 - hybrid, in mode SIM only works 4G (Even if the main card is used 5G)

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If you travel frequently, it is best to use Slot 1 for your main trip. SIM-map 5G, Slot 2 is for local use. SIM-map 4G. This optimizes battery consumption and internet speed.

The table below shows the key support parameters SIM-cards in different versions of Mi 10:

Please note that the simultaneous operation of two SIM-map-mode 5G If the main card (Slot 1) uses a fifth-generation network, the second (Slot 2) automatically switches to the second one. 4G or 3G, depending on the coverage.

How to properly install SIM-Maps in Xiaomi Mi 10

Installation process SIM-The Mi 10 is standard, but there are a few nuances that will help you avoid errors:

1. Turn off your smartphone, although many install it. SIM-cards on the enabled device, it is better to be safe to avoid modem malfunctions.
2. Remove the tray with a paper clip inserted into the hole on the left end. Do not use sharp objects - this can damage the mechanism.
3. Place the cards according to the marking: 📇 Slot 1 is the main nano-SIM (recommended for the 5G) 📇 Slot 2 – Second nano-SIM or microSD (but not together!)

Put the tray back in.

Make sure the nano-SIM is cropped correctly (without adapters)| Check that the tray is clean (dust may interfere with contact)| Use only the original staple from the kit | Don't put too much effort into inserting the tray-->

Once the smartphone is turned on, it will automatically detect the cards installed, if one of the SIMs is not recognized:

• 🔄 Reset the device.
• 🔧 Check if the card is inserted correctly (the chip must be turned downwards).
• 📡 Make sure that the operator is supported (especially relevant to the 5G).

To adjust the parameters SIM-maps go to Settings → SIM-Maps and mobile networks:

• 📞 Assign a card for calls by default.
• 🌐 Select a card for mobile Internet.
• 🔄 Enable/disable automatic network selection.

Dual SIM in Xiaomi Mi 10: how to work two-card mode

Xiaomi Mi 10 supports Dual technology SIM Dual Standby (DSDS), What does it mean to be able to work with two SIM-The main rule is that only one card can be active in data mode (Internet), the second card at this time will be available only for calls and calls. SMS.

How this works in practice:

• 📶 If you are using the mobile internet SIM-map 1, SIM-Map 2 will be available for voice only.
• 🔄 When an active call on one card, the second is temporarily disabled (calls to it will be forwarded to voice mail).
• 📊 Internet speed on the second card (if it is in mode) 4G) It may be lower due to the priority of the first card.

To change the priority settings:

1. Open the Settings. → SIM-maps and mobile networks.
2. Select the mobile Internet option.
3. Please indicate which one SIM-use the card to transmit data by default.

Working and personal SIM-map|Basic SIM + traveler|Two. SIM One operator (different rates)|I don't use Dual. SIM-->

An important point: if you use 5G on the main card, the second card will automatically switch to 4G (even if it supports 5G on another device), which is due to the hardware limitations of the Qualcomm Snapdragon 865 modem that is installed in the Mi 10.

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In Dual SIM mode, a smartphone cannot use 5G on both cards at the same time, with a maximum of 5G on one and 4G on the other.

Xiaomi Comparison with Other Models: Who Supports the ESIM?

Many users are wondering why the Xiaomi Mi 10 doesn’t support eSIM, while newer models (such as the Xiaomi 13 or Xiaomi 12T) already have this feature, because at the time of the Mi 10 release (early 2020), eSIM technology was not yet widely adopted among Android smartphones, especially in the budget and mid-range segments.

For comparison, we will provide data on support SIM-Maps in different generations of flagships Xiaomi:

As you can see from the table, eSIM only appeared in Xiaomi 12 and later. SIM-But the Mi 10 remains a viable choice for those who need physical duality. SIM non-binding.

The advantages of physical SIM-maps in Mi 10:

• ✅ Easy card replacement (for example, when traveling abroad).
• ✅ No operator binding – any nano-SIM can be used.
• ✅ The ability to use microSD (to the detriment of the second) SIM).

Disadvantages:

• ❌ No eSIM support (relevant for corporate users).
• ❌ Restriction on simultaneous use of two SIM microSD.

Frequent problems with SIM-Xiaomi Mi 10 cards and their solutions

Despite the reliability of the Xiaomi Mi 10, users sometimes face problems related to work. SIM-Let's look at the most common cases and how to eliminate them.

Problem 1: The smartphone does not see one of the SIM-map

• 🔹 Check if the card is inserted correctly (the chip must be turned downwards).
• 🔹 Try restarting the device.
• 🔹 Make sure that SIM-The card is active (not blocked by the operator).
• 🔹 Clean the slot contacts with a soft brush (dust or oxidation may interfere with the connections).

Problem 2: There is no network on one of the SIM-map

• 🔹 Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Network type and install automatically.
• 🔹 Check the coverage of the operator in your area (especially for the 5G).
• 🔹 Update the firmware of the smartphone – sometimes problems with the network are solved with patches.

Problem 3: Mobile Internet is not working on the second SIM-map

⚠️ Note: Xiaomi Mi 10 has only one SIM-If the card is not working on the second card, make sure that it is selected as the main one in the mobile Internet settings.

• 🔹 Go to Settings. → SIM-maps and mobile networks → Mobile Internet and choose the right one SIM.
• 🔹 If the internet still doesn’t work, check the balance and the plan.

Problem 4: The smartphone overheats when using two SIM-map

This is normal if both cards are active (e.g., when calling one and transmitting data to the other).

• 🔥 Close the background applications that consume the Internet.
• 🔥 Turn it off. 5G, If you don't need it (go to the right place). 4G network-setting).
• 🔥 Check if energy-intensive shells are installed (for example, heavy launchers).

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If you notice that the smartphone started to hold the charge worse after installing the second SIM-If you want to use the cards, try to turn off the background data for underutilized applications.

Can I add eSIM to Xiaomi Mi 10 software?

Unfortunately, no. eSIM support depends on the hardware of the smartphone — the presence of a special chip and the corresponding firmware. Xiaomi Mi 10 does not have this chip, so no software update will be able to add eSIM functionality.

Some users try to circumvent this limitation by:

• 📱 eSIM adapters → nano-SIM (physical maps emulating eSIM).
• 🔧 Custom firmware (for example, LineageOS with patches).

However, both methods have serious disadvantages:

• ❌ Adapters often work unstablely and can damage the slot.
• ❌ Custom firmware deprives of warranties and can disrupt the modem.

⚠️ Note: Using uncertified eSIM adapters may cause communication loss or damage SIM-Xiaomi does not officially support such solutions.

If you are critically interested in eSIM, consider buying a newer model, for example:

• 📱 Xiaomi 12 or Xiaomi 12 Pro (eSIM support) + 2 nano-SIM).
• 📱 Xiaomi 13 (similar configuration).
• 📱 POCO F5 (Budget option with eSIM).

FAQ: Answers to popular questions about SIM-maps in Xiaomi Mi 10