Replacement SIM-Xiaomi Phone Maps: Instructions for All Models (2026)

Why You Might Need a Replacement SIM-map?

Replacement SIM-Xiaomi smartphones are a procedure that every owner will face sooner or later, and the reasons can range from a banal switch to a new tariff to physical damage to an old card. For example, if you notice that your phone has stopped catching the network, constantly loses signal or gives an error. SIM-The map is not found, the problem may lie in it.

Another common case is changing operators: when buying a new number or moving to another region, you often need to install a SIM from another provider, and owners of the Xiaomi Redmi Note 12 or POCO X5 Pro sometimes face the need to transfer the card from the old device to the new one, especially if you use two numbers at the same time.

And the technological advances are also important: modern nano-SIM and eSIM are replacing legacy formats, and if your Xiaomi 13T only supports nano and you have a micro, you'll either have to trim the card or order a new one from the carrier.

What tools will you need to replace?

Before you start replacing, prepare everything you need. In most cases, a standard kit that comes in a box with your phone is enough. However, there are nuances depending on the Xiaomi model.

• 🔧 A paper clip or needle to remove the tray is usually included in the package, and if you're missing, you'll find a straight paper clip or a thin sewing needle.
• 📱 New SIM-card – make sure that its format is compatible with your phone (nano, micro or eSIM). 12S Ultra and newer are most commonly required nano.
• 🔍 Light bulb – useful if the tray is located in an uncomfortable place (for example, at the POCO F5 It's on top).
• 🧴 Alcohol wipes - to wipe the contacts of the tray and SIM-dust-card.

Non-removable tray models (such as some versions of the Xiaomi Mix Fold) may require a plastic shoulder blade or suction cup to open the case neatly, but these are rare — most Xiaomi smartphones come with a standard retractable tray.

⚠️ Warning: Never use metal objects (knives, screwdrivers) to remove the tray! this can damage the mechanism or contacts inside the phone.

Wherever SIM-tray in Xiaomi smartphones?

Location of the tray for SIM-The card depends on the model and series of the phone, and most of the time, it's on the side of the phone, but there are exceptions:

• 📱 Side face (right or left): Typical place for Redmi Note 10/11/12, POCO X3/X4, Mi 11 Lite.The tray is usually next to the volume buttons.
• 🔝 Top edge: Less common, but found in some models POCO F Series or Xiaomi 12T.
• 🔄 Hybrid tray: In phones with two support SIM-cards and memory cards (e.g. Redmi) 9A) The tray can have two slots under nano-SIM and one under microSD.
• 📲 Inside the case: In foldable models (Mix Fold 2) or some flagships, the tray can be hidden under the back cover.

To determine the exact location, inspect the phone’s case: the tray is usually marked with a small hole for the paper clip. If you are not sure, check the official documentation or type your Xiaomi model into a search engine asking “where is the sim tray”.

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If you can’t find the tray, shine a flashlight on the edge of the phone – the hole for the paper clip usually shines and stands out against the background of the case.

Step-by-step instructions for replacement SIM-map

Now, to the process itself, follow the instructions carefully to avoid damage, and it takes only 2-3 minutes if you do it right.

1. Turn off your phone. It's a must-do. SIM-If you have a power card on, you may have a communication module malfunction. Press and hold the power button, then select Turn it off.
2. Find the tray and remove it. Put a paper clip or needle in the hole next to the tray before you click. The tray should extend 1-2 mm - carefully pull it on yourself. What to do if the tray does not extend? If the tray is jammed, do not apply force! Try to sway the clip slightly in the hole or use a thinner tool. At the very least, contact the service center.
3. Remove the old one. SIM-If the tray is hybrid, look at the tags: there's usually a sign. SIM1, SIM2 Carefully remove the card without touching the contacts.
4. Install a new one. SIM-Make sure that the card slice matches the tray shape. Put the map down with the contacts. SIM Find out which slot is the main one (usually). SIM1).
5. Put the tray back in place. Make sure it's straight and straight. If the tray isn't fixed, check if it's installed correctly. SIM-map.
6. Turn on your phone. Check if you have a network after you boot. If there's no signal, restart the device or check the settings in the Settings section. → SIM-maps and mobile networks.

⚠️ If the phone is replaced by an error SIM-The card is not supported, check if the card is activated by the operator. SIM requires registration in the personal office or through USSD-command (e.g. *111# for MTS).

Frequent Mistakes and How to Avoid Them

Even a simple procedure like replacement SIM-And if you look at the map, it might not go according to plan.

• 🔄 Slots are confused SIM1 and SIM2. In some Xiaomi models (e.g. Redmi 10) slot SIM1 supportive 4G, SIM2 — only 2G. If the internet is not working, change the maps.
• 📵 No network after replacement. Check if activated SIM-- The operator has the card, is the data mode enabled in the settings, is the flight mode set.
• 🔌 The tray is not fixed: SIM-The map is not fully installed. The tray has fragments of an old card (relevant when trimming micro-SIM to nano).
• 📱 The phone doesn't see the second. SIM. In hybrid trays (e.g. in POCO M4 Pro) microSD slot can block the second SIM. Select priority in the settings.

If none of the tips worked, try resetting your network settings. → SIM-maps and mobile networks → Reset network settings. This operation will delete all stored Wi-Fi passwords and associated Bluetooth devices!

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Before the replacement SIM-Always turn off your phone, and when power is on, the tray can damage the communication module or cause data loss.

Features of replacing SIM in foldable and flagship models

Xiaomi premium smartphones and foldable models (such as the Mix Fold 3 or Xiaomi 14 Ultra) may have a custom tray design.

• 📐 Folding phones (Mix Fold series) The tray is often hidden under the back cover. SIM You may need: Special suction cup to open the case accurately, plastic blade to avoid damaging the plumes, experience disassembling equipment (or contacting the service).
• 🔒 Flagships with protection IP68 (Xiaomi 13 Pro, 14 Pro. The sealing gums around the tray can make it harder to retrieve.Don't put too much effort - better use the original clip from the kit.
• 📶 Some models (e.g. Xiaomi 13 Lite) support virtual SIM. In this case, a physical replacement is not required – just download the operator profile in the settings.

For foldable phones, Xiaomi recommends contacting authorized service centers if you are not sure of your skills. Damage to the plume when disassembling yourself can lead to a loss of warranty.

How to cut SIM-map?

If you have an old micro-SIM or mini-SIM and your phone only supports nano-SIM, you can cut it yourself, but this method is risky - if you make a mistake, the card will become unusable, and you better order a new one from the operator (usually free or for a nominal fee).

If you decide to cut, follow these steps:

1. Download the cropping template (available online for “nano-SIM template”) and print it in real size (no zoom!).
2. Plug the pattern on SIM-map and circle the nano-SIM circuit with a marker. Make sure the tags match the corner of the map.
3. Carefully trim the excess with a stationery knife or scissors. Do not use blunt tools - this can damage the contacts.
4. Treat the edges with sandpaper (granularity 1000-1500) so that they do not scratch the tray.
5. Check the phone's performance, if the card doesn't get recognized, the contacts could be damaged.

⚠️ Attention: Pruning SIM-If the card stops working, it will be impossible to restore it, it is better to spend 10 minutes visiting the communication room than risk losing the number.

FAQ: Answers to popular questions