How to properly insert 2 SIM-Maps and memory card in Xiaomi Redmi: detailed instructions with photos

Smartphones Xiaomi Redmi has long gained popularity due to the combination of powerful filling and democratic price. One of the key features of most models of the series is the support of two models. SIM-But what if you want to expand your memory with a microSD? There's a common problem with most Redmis, which is that you have a hybrid slot. SIM-It's a memory card slot, which means you have to choose between a second SIM and an extra gigabyte.

In this article, we will discuss all the nuances of installing 2 SIM + microSD in Xiaomi Redmi, including model compatibility, step-by-step photo instructions, as well as hidden settings that will help avoid network or memory problems. You will learn how to properly trim a SIM to nanoSIM format, which models support a full triple slot (without compromises), and what to do if the phone does not see one of the cards after installation.

Let us note right away: if your Redmi model is released after 2021, most likely it has a hybrid slot (for example, Redmi Note 11/12/13, Redmi 10/11/12). Exceptions are flagship series like Redmi K50 or POCO F4, where a separate slot under microSD is sometimes found. You can check exactly in the characteristics on the official Xiaomi website or using the CPU-Z utility (Device β†’ SIM Slots section).

What Xiaomi Redmi models support 2 SIM + microSD at the same time?

Before you try to insert three cards, make sure your model allows it. Xiaomi uses three types of slots:

  • πŸ”Ή Hybrid slot (2) SIM 1 SIM + microSD is the most common variant. Example: Redmi Note 10 Pro, Redmi 9A, Redmi A2.
  • πŸ”Ή Triple slot (2) SIM + microSD is a rarity found in some models for the Indian market or older series. 8A Dual (2020), Redmi 9i Sport.
  • πŸ”Ή Only 2. SIM β€” without microSD support. Example: Redmi K60 Pro, some modifications POCO.

To determine exactly the type of slot in your Redmi, use one of the following methods:

  1. Check out the specifications on Xiaomi’s website (Specifications β†’ SIM Card tab).
  2. Use the AIDA64 app (Device β†’ SIM Slots).
  3. Open the tray for SIM-If it shows two slots for nanoSIM and one for microSD, it is a hybrid version.
πŸ“Š What is the Xiaomi Redmi model you have?
Redmi Note 10/11/12/13
Redmi 9/10/11/12
Redmi A1/A2
POCO X3/X4/X5
Another model

Important! Even if the specifications say "2 SIM + microSD", check the region of release. For example, the Redmi Note 11 Pro + 5G for Europe has a hybrid slot, and for India - a triple slot.

2.What will be needed for installation: tools and preparation

Before you start the installation, prepare everything you need:

  • πŸ“± Two nanoSIM cards (if you have regular cards) SIM, They must be cut or replaced in the operator’s cabin).
  • πŸ’Ύ MicroSD Memory Card (Recommended Class β€” UHS-I U1 or A1/A2 application).
  • πŸ”§ Paperclip or special key to extract the tray (comprised with the phone).
  • πŸ“Έ Lupa or flashlight (in handy if contacts are poorly visible).
  • 🧹 Soft brush or canister with compressed air (to clean the slot from dust).

If you SIM-Non-nanoSIM cards, don't try to cut them yourself with scissors, it can damage the chip:

  • 🏦 Free replacement in the operator’s cabin (MTS, Beeline, Tele2, MegaFon).
  • πŸ›’ Special stack (stands) ~100 rubles in AliExpress or Ozon).
  • πŸ”ͺ Adapter-template (if you are sure of accuracy).

πŸ’‘

Before installing your memory cards, format it in your phone through Settings β†’ Memory β†’ Format as internal. This will speed up the work and avoid reading errors.

Compatibility Warning: Some microSDs from lesser-known brands (such as Silicon Power or Team Group) may not be recognized by Xiaomi, with SanDisk Ultra, Samsung EVO or Kingston Canvas cards being the best choice.

3. Step-by-step instruction: how to insert 2 SIM and microSD into a hybrid slot

If your Xiaomi Redmi has a hybrid slot, you’ll have to choose between the second one. SIM-But here's a trick: you can use an adapter for two nanoSIMs in one slot (sold on AliExpress for a single slot). ~However, this method is informal and can lead to problems with the network.

Step 1. Turn off the phone.

It's a must! Setting cards with your phone on can damage the slot contacts. Press the power button and select Turn off.

Step 2. Remove the tray for SIM-map

Push the paperclip into a small hole on the side of the phone (usually on the right). Push until you click, the tray will extend. Gently pull it out.

Step 3. Place the cards in the tray

In the hybrid slot there are two accommodation options:

  • πŸ“Ά Two. SIM-Cards: Put both nanoSIMs in slots SIM1 and SIM2 (usually signed).
  • πŸ’Ύ One. SIM + microSD: in SIM1 β€” SIM, in microSD - memory card (slot can be combined with the SIM2).

Step 4. Put the tray back in place.

Carefully insert the tray back into the phone before the click. Make sure it sits flat - skews can damage the contacts.

Step 5: Turn on your phone and set your priorities

After switching on, go to Settings β†’ SIM-Maps and mobile networks and select:

  • πŸ“ž Basic SIM for calls (default) SIM1).
  • 🌐 Priority network for mobile Internet (you can choose) 4G/5G only for one SIM).
  • πŸ”„ Standby mode (e.g, SIM1: 4G, SIM2: 2G battery-saving).

The tray is inserted before clicking.|The phone recognizes both. SIM-map|The memory card is displayed in "Memory"|No mistakes "SIM-card not supported"-->

Critical: if you use microSD as internal memory, after it is extracted, all data (including applications) will become unavailable! β†’ Memory. β†’ Map. SD).

4. Compatibility table: which Redmis support 2 SIM + microSD

Below is the current table with popular Xiaomi Redmi models and their type SIM-Data based on official specifications and user tests.

ModelSlot typeMax: MicroSD volumeSupport for 5G support
Redmi Note 13 Pro+ 5GHybrid (2 SIM or 1 SIM + microSD)1 TBYes.
Redmi 12 5GHybrid1 TBYes.
Redmi Note 12 Pro 4GHybrid512GBNo.
Redmi 10ATriple Slot (2 SIM + microSD)512GBNo.
POCO X5 Pro 5GHybrid1 TBYes.

Note that even if the model supports microSD up to 1TB, the actual speed will depend on the card class, for example, to record video in 4K or run games requires UHS-I U3 or A2.

5. Common problems and their solutions

Once the cards are installed, users often encounter errors, and here are the most common ones and the ways to fix them:

  • ❌ "SIM-Reason: Incorrect format (not nanoSIM), damaged contacts, or incompatible operator (e.g., virtualized) SIM Solution: check the SIM on another phone, clear the contacts of the tray with alcohol.
  • ❌ "Memory card damaged" Reason: exFAT file system is not supported (needed FAT32 for cards up to 32 GB or NTFS Solution: format the card via phone in Settings β†’ Memory.
  • ❌ Mobile Internet does not work on the second SIM Reason: Mobile Internet is not included in the settings for SIM2 the operator does not support 4G on the additional SIM. Solution: Go to Settings β†’ SIM-map β†’ Mobile Internet and choose the right one SIM.
What to do if your phone doesn’t see any of them SIM-map?
If the phone does not recognize any of the cards SIM, The problem may be: 1. A damaged slot - check contacts for oxidation or contamination. 2. A faulty motherboard - common after falls or moisture. 3. A software failure - try resetting the network settings in Settings β†’ System system β†’ Resetting settings β†’ Reset your mobile network settings. If nothing works, contact the service center. Xiaomi replaces SIM-The slot costs 1,500–3,000 rubles depending on the model.

Another common problem is that the phone overheats after installing a microSD, which is caused by cheap memory cards with low read/write speeds.

  1. Replace the card with a Class A2 model (e.g. SanDisk Extreme).
  2. Turn off the recording of the application cache on the microSD in Settings β†’ Applications β†’ Select the application β†’ Memory.
  3. Use the card only to store media files, not to install applications.

6. How to choose a priority SIM-call-card

If you use two of them SIM-It's important to set your priorities right to avoid problems with missed calls or slow internet:

Set up the main SIM for calls:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Choose a Choice SIM-call-card.
  3. Specify SIM1 or SIM2 as the main one (it will be used for outbound ones by default).

Setting up mobile Internet:

  • In the same menu, select the mobile Internet.
  • Activate the internet for the right SIM (you can turn both on, but this will increase battery consumption).
  • To save traffic, note Limit background traffic for the second SIM.

4G/5G setting:

Xiaomi Redmi has only one SIM-The card can work on the network 4G/5G At the same time, to change priority:

  1. Go to Settings. β†’ SIM-map β†’ Preferred type of network.
  2. For the main SIM, choose 4G (preferably) or 5G (if supported).
  3. For the second SIM, install 3G or 2G to save charge.

πŸ’‘

If you use mobile internet on both SIM-If you have cards, the phone will run out faster. 4G Only one SIM, and the second to transfer to mode 2G call-in.

7. Alternative methods: adapters and cloud storage

If your Xiaomi Redmi doesn’t support both SIM and microSD running simultaneously, there are a few workarounds:

  • πŸ”„ Adapter for two nanoSIMs in one slot Allows you to insert two SIMs in one slot SIM1, free SIM2 Cons: network problems, not all operators are supported. Cost: ~200-500 rubles on AliExpress.
  • ☁️ Instead of microSD, use Google Drive, Mi Cloud or Yandex Disk. Minus: Requires stable internet. Free: 15 GB on Google Drive, 5 GB on Mi Cloud.
  • πŸ“‘ USB-OTG Adapter with card reader Connect microSD via USB-C (need an adapter OTG). The downside: the card will only be available when connected: ~300 rubles.
  • πŸ“± Second second SIM Electronically (eSIM) Some Redmis (e.g. Redmi) K50) This will allow you to use two SIMs without a physical slot. How to activate: contact the operator (currently only MTS, Beeline, Tele2 support).

Warning: Adapters for two nanoSIMs can lead to a loss of warranty, as this is an informal modification.In addition, some operators (for example, MegaFon) block the operation of two sims in the same slot.

8. Frequent Questions (FAQ)

❓ Can I put two in? SIM MicroSD in Redmi Note 12 Pro?
No, the Redmi Note 12 Pro has a hybrid slot: either two SIMs or one SIM+microSD. Three cards will require an adapter for two nanoSIMs in one slot to work simultaneously (but this is an informal solution).
❓ What is the maximum microSD capacity supported in Redmi?
Most modern Redmi models (2022-2026) support cards up to 1 TB. However, it is recommended to use microSD up to 512 GB of A2 or UHS-I U3 for stable operation.
❓ Why did the microSD phone stop after inserting the device?
This is due to the slow read/write speed of the memory card. Solutions: Replace the microSD with a class A2 model (e.g. SanDisk Extreme). Move applications back to internal memory in Settings β†’ Applications. Turn off card caching in Settings β†’ Memory β†’ SD card β†’ Settings β†’ Internal memory β†’ Data port.
❓ How to transfer applications to a memory card in Redmi?
In modern versions MIUI (13-14) Application portability to microSD is limited. To do this: Format the card as internal memory (all data on it will be deleted!). Go to Settings β†’ Annexes β†’ Select an application β†’ Memory. β†’ Change. Press Move it to SD-Note: once the map is formatted as internal, it cannot be retrieved without data loss!
❓ What to do if your phone is writing "SIM-card not supported"?
Causes and solutions: πŸ”Ή Non-nanoSIM simma β†’ Cut or replace in the operator’s cabin. πŸ”Ή Slot contacts damaged β†’ Clean them with alcohol or contact the service. πŸ”Ή Incompatible operator β†’ Check if your Redmi supports virtual carriers (e.g., Tinkoff Mobile may not work). πŸ”Ή Software failure β†’ Reset network settings in Settings β†’ System system β†’ Resetting settings.