How to insert it correctly SIM-Map in Xiaomi Redmi: instructions for all models

Installation SIM-The cards in the Xiaomi Redmi smartphone are a seemingly simple procedure, but even here there are nuances that can cause difficulties, especially if you are first encountering devices of this brand or purchased a model with a non-standard slot location. Depending on the generation of Redmi (whether it is Redmi Note 12, Redmi 10 or earlier versions), the process may differ: somewhere a retractable tray is used, and somewhere a removable cover with a separate socket for the SIMKA is used.

Many users face problems: the card is not determined, the tray is not pushed out or the smartphone asks to enter PUK-In this article, we will discuss all possible ways of installing the code after installation. SIM-Xiaomi Redmi cards, including hybrid slot models (where you have to choose between a second SIM and a memory card), and tips for correcting common errors. If you just bought a new Redmi or plan to change operators, this guide will help you avoid common problems.

1. Determine the type of slot for SIM-maps in your model

Before you start installing, it is important to understand which slot is used in your Xiaomi Redmi, which depends not only on the insertion process, but also the ability to use two SIM cards at the same time or a combination of SIM + microSD.

All Redmi smartphones can be divided into three categories according to the type of slot:

• 📱 Retractable tray (trey) - the most common option in modern models (Redmi Note) 11/12/13, Redmi 10/11/12). SIM-the card is inserted into a plastic tray, which is pushed out using a special key (clips).
• 🔄 Hybrid slots – found in budget and some mid-budget models (Redmi) 9A, The Redmi 8 has two nests here, but one is universal: either the second. SIM, MicroSD (at the same time, you can’t do it).
• 🛠️ Removable back cover is an outdated format that can be found in very old Redmis (e.g. Redmi). 3S or Redmi 4A). SIM-The card is inserted directly into the socket under the battery.

To determine exactly what type of slot you have, look at the left end of your smartphone (if you hold it with your screen) — you usually have a tray, and if you don't have one, you have a removable lid, and you can check the official specifications for your model.

Preparation SIM-Maps: What size is needed for Redmi

Modern Xiaomi Redmi smartphones support nano-SIM (4FF), the smallest SIM format, but some older models (such as the Redmi 4X or Redmi 5A) could use micro-SIM (3FF).

• 🔍 In the instructions for the smartphone (section"SIM-map").
• 🌐 On the official website of Xiaomi in the characteristics of the model.
• 📏 Visually, if the tray has a small nest (about) 12×9 mm, it's nano-SIM.

If you're normal. SIM-The card (mini-SIM), it can be cut to the desired size with a special stack (sold in communication salons) or scissors (carefully, according to the template!). However, it is better to ask the operator in advance nano-SIM - this will save the risk of damaging the card.

⚠️ Attention: If you are circumcised SIM-The card itself, make sure the metal chip remains intact, and damage to the chip will cause the SIM to fail!

3. Step-by-step instruction: how to insert SIM-map in Redmi with retractable tray

Most modern Xiaomi Redmi is equipped with a retractable tray for SIM-Here's how to get it out and set up a SIM:

1. Turn off your smartphone. This is not necessary, but it is recommended to avoid failures in determining the card.
2. Find a tray for SIM-It's usually on the left side of the map (if you look at the screen) on some models (like the Redmi). K50) The tray may be on the right.
3. Put a paper clip (or special key) in the hole next to the tray. Press until you click, the tray will move out a little.
4. Take the tray out carefully. Don't make excessive efforts to avoid breaking the machinery.
5. Place it. SIM-Note the notch, which should match the shape of the socket. For models with two SIMs, use both slots (usually). SIM 1 and SIM 2).
6. Put the tray back in. Make sure it's in the back and it's not sticking out.
7. Turn on your smartphone. In 10 to 30 seconds, the network should be on.

If the smartphone does not see SIM-card, try restarting the device or checking if the SIM is correctly installed (sometimes it can move when inserting the tray).

Make sure your smartphone is off |

Use the original paper clip or key |

Check the compatibility of the SIM-card size |

Do not touch the metallic contacts of the SIMKA |

Insert the tray before the characteristic click-->

4. Features of SIM installation in Redmi with hybrid slot

A hybrid slot is a compromise solution that allows you to use either a second slot. SIM-It's a card, or a microSD card, but not at the same time. 9A or Redmi 8.

Here’s how to use a hybrid slot correctly:

• 📇 If you need two. SIM-Cards, put the first one in the slot SIM 1, and the second in SIM 2 (instead of microSD).
• 💾 If you need a memory card, insert it into the slot. SIM 2, and the second SIM will not work.
• ⚠️ Do not try to insert both the SIM and the microSD at the same time, this will lead to the fact that neither device will be recognized.

Important: The microSD hybrid slot should be microSDXC format (up to 2TB), but some older Redmi models only support up to 256GB.

5 How to insert SIM-map in old Redmi models with removable cover

If you have a Xiaomi Redmi 3S, Redmi 4A or other model with removable back cover, installation process SIM-It's not a retractable tray, instead it's a SIM that's inserted into the socket under the battery.

Instructions for such models:

1. Turn off your smartphone and remove the back cover, and then stick it on the side with your nail or a plastic card (start with a small gap).
2. Remove the battery (if it's removable). In some models (Redmi 2), the battery is non-removable, in which case just find nests for the battery. SIM-map.
3. Put it in. SIM-The map is to the corresponding nest: SIM 1 and SIM 2.Make sure the SIM metal contacts look down.
4. Reset the battery (if removed) and close the lid.
5. Turn on your smartphone and wait for the network to appear.

⚠️ Note: In models with a removable cover (Redmi) 1S, Redmi 2) is often used micro-SIM rather than nano-SIM. Don't try to insert nano-SIM without an adapter - it will just fall out of the socket!

Typical problems and their solutions

Even if you did everything right, sometimes SIM-The map is not defined. Let's look at some of the most common problems and how to fix them:

After installation SIM-The smartphone says "No service" or"SIM-The card is not supported, try it:

• 🔄 Reset the device.
• 📶 Manually select the operator in the settings (Settings) → SIM-maps and mobile networks → Choice of network).
• 🔧 Reset network settings (Settings) → System system → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth).

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If the tray is for SIM-cards are tightly extended, do not use sharp objects (needles, pins) - they can damage the mechanism.

7. How to activate the second SIM-map

If your Xiaomi Redmi supports two of your SIM-The second card is not activated, check the following points:

1. Make sure that the SIM is inserted correctly into the SIM 2 slot.
2. Activate the second. SIM in settings: Settings → SIM-maps and mobile networks → [Name two. SIM] → Turn it on.
3. Set Network Priority (if you only need one SIM for the Internet): → SIM-maps and mobile networks → Default access point
4. Some carriers (e.g. Tele2) may not be supported on the second SIM in some Redmi models.

If the second SIM is not identified, try swapping the SIMs (moving from SIM 1 to SIM 2) and if the problem persists, the slot itself may be faulty.

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In models with a hybrid slot (Redmi) 9A, Redmi 8 second SIM-The card may not work if in the slot SIM 2 microSD installed. Remove the memory card to activate the second SIM.

FAQ: Frequently Asked Questions