Extraction SIM-Xiaomiโs smartphone cards seem like a simple task, but in practice, many users face challenges ranging from jammed trays to damaged contacts, especially for owners of new models with hybrid slots, where two SIMs and a memory card are simultaneously placed. In this article, we will analyze not only the standard procedure, but also non-obvious nuances for different Xiaomi lines - from budget Redmi to flagship Mi and other Xiaomi products. POCO.
It's important to remember that tray design has evolved: older models (before 2018) often used spring-mounted pull-out mechanisms, and modern ones used flat trays with locks. We analyzed service center reviews and identified 5 critical errors that lead to breakdowns, and you'll find alternative ways to retrieve if a standard key is lost or broken.
Preparation: What will be needed to extract SIM-map
Before you start the procedure, make sure you have everything you need, the main tool is the key to remove the tray (aka "clip" or "needle"), which comes with the phone, and if you don't have one, alternatives are suitable:
- ๐ A regular stationery clip (untighten it to get a straight end length of 3-4 cm)
- ๐ชก Sewing machine needle or thick pin (diameter not less than 0.7 mm)
- ๐ง Disassembled handle (rod should be rigid and not bend)
- ๐ฑ Pointed end of charging from headphones (suitable for some models)
Also prepare:
- ๐ฆ Flashlight (if the tray is located in an uncomfortable place, for example, on the top edge of the Xiaomi Mi 11)
- ๐งฒ Magnet (will help if the key falls inside the case)
- ๐งด Alcohol wipes (for cleaning contacts if the sim has not been used for a long time)
โ ๏ธ Warning: Never use toothpicks, wooden sticks or plastic items - they crumble and can get stuck inside the holes. Metal objects (knives, forks) scratch the body and damage sealing gums in moisture-protected models.
If your Xiaomi is a line with IP53/IP68 protection (for example, Xiaomi 13 Pro or Redmi Note 12 Pro+), be sure to turn off the phone before removing the SIM. Otherwise, dust or moisture on the contacts can cause corrosion.
Where is the slot for SIM-maps in Xiaomi
The location of the tray depends on the model and year of production, in most cases it is on the right or left side, but there are exceptions:
| Model lineup | Slot location | Features |
|---|---|---|
| Redmi Note 9/10/11, POCO X3/X4 | Left face (top) | Hybrid slot (2 nano-SIM + microSD) |
| Xiaomi Mi 11/12/13, Mi 11 Ultra | Lower facet | The key hole is hidden under a rubber plug |
| Redmi 9A/9C, POCO M3 | Right edge (closer to upper corner) | The tray is pushed out with force due to the tight spring |
| Xiaomi Civi, Redmi K50 | Upper edge | Miniature hole - you need a thin needle |
| Xiaomi Black Shark (Gaming Smartphones) | Left face (under the volume button) | Slot combined with cooling system - do not allow dust |
To determine the location accurately, inspect the case for a small circular hole with a diameter of ~1 mm. On some models (for example, Xiaomi Mi Mix) the slot is hidden under the back cover - in this case, self-extraction is not recommended, as disassembly of the device is required.
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If you canโt find a hole for the key, light a flashlight along the end of the case โ a metal tray will reflect light.
Step-by-step instructions: how to remove SIM-map
Follow this algorithm to avoid damage:
- Turn off your phone (required for moisture-proof models!) If you are not sure that the slot is airtight, it is better to be safe.
- Take a key or an alternative tool. Put it in the hole perpendicular to the body to the point. Press with effort, it should be a slight click.
- The tray will extend 2-3 mm. Carefully pull it to the end. Do not use force - if it does not go, check if the key is fully entered.
- Extract. SIM-card, if necessary, clean the contacts of the tray with a dry wipe. Make sure that the sealing gum (if any) is not damaged.
- Put the tray back in before you click. Turn on the phone and check the network.
โ๏ธ Pre-extraction check SIM-map
If the tray is not extended:
- ๐ Check if the key is skewed - it should enter strictly in the center of the hole.
- ๐ ๏ธ On some models (Redmi 7, Mi) A3) It can stick because of oxidation. WD-40 (Apply carefully without getting on the body!).
- ๐ฑ If the phone fell and after that the tray jammed, do not try to pull it out by force - contact the service.
โ ๏ธ Note: In hybrid slot models (e.g. Redmi Note 10 Pro) you can not use two at the same time. SIM-If you put a microSD in the slot for the second SIM, the first one will stop working!
What to do if the key is broken or lost
It's not uncommon to have a special key at hand, here are 4 proven ways to get a tray out without it:
- ๐ Paperclip + Scotch. Untighten the paperclip, wrap the tip with tape (so as not to scratch the body) and insert it into the hole. Scotch increases the diameter and improves the grip.
- ๐งฒ Magnet. Hold the neodymium magnet to the tray (not all models work), and the mechanism can be moved by the magnetic field.
- ๐ง If the tray protrudes a little bit (1-2 mm), gently grab the edge with pliers with thin sponges and pull. Don't force at an angle, only strictly perpendicular to the body!
- ๐ฆ Phone box, complete with some models (Xiaomi Mi) 10T, POCO F3) Have a spare key - check the document compartment in the box.
If none of the methods worked, you can try the software method (for root rights only):
su
echo 1 > /sys/class/gpio/sim_tray/ejectThis command simulates the pressing of the extraction mechanism. Risk: it does not work on all firmware and can cause the communication module to fail.
How to make a key from a plastic card
Common Mistakes and How to Avoid Them
Analysis of appeals to service centers showed that 70% of breakdowns are associated with improper extraction SIM-Here are the most common mistakes:
- Use of force. If the tray doesn't go, don't push harder, you can break the lock or bend the metal frame, 90% of the time the problem is the pollution of the mechanism (dust, sand).
- Removal with the phone on. 5G-modem (e.g. Xiaomi) 12T) it could cause a failure. IMEI. Always turn off the device!
- Even if the phone is not waterproof, condensation on the SIMKI contacts causes corrosion. After extraction, dry the tray for 10-15 minutes.
- Incorrect installation. SIM-The card should be placed with the contacts down, and the cut (moulded angle) to the corner of the tray.
Pay special attention to models with dual SIM cards. For example, in the Redmi Note 11 Pro+, if the second SIM is installed incorrectly, the main one may turn off. Check the order of the slots in the instructions for the phone!
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If, after extraction, SIM-The phone doesn't see the network, restart it in airplane mode (turn on and off "Flight Mode.
Features for flagship and gaming models Xiaomi
Xiaomi flagship smartphones (series Mi, Ultra, Black Shark) often have custom solutions for the mobile phone. SIM-Let's look at the key nuances:
- ๐ฎ Black Shark 4/5 Pro. The tray is integrated with the liquid cooling system. When extracting the simk, avoid dust - it can clog the heat sinks.
Black Shark gaming smartphones also have a โGameโ feature. SIM" โ Special profile for SIM card optimized for low ping. If after retrieving the SIM function is lost, it should be enabled again in the settings: โ SIM-maps and mobile networks โ Game SIM.
How to check if it is installed correctly SIM-map
If after extracting and resetting the SIM phone does not catch the network, perform a diagnosis:
- Go to Settings โ About Phone โ General information and check the IMEI status. If zeros are displayed instead of digits, the SIM will not be recognized.
- Type in the dialer code: ##4636## Select Phone Information and see SIM status. If it says "No service", the problem is contacts.
- Try inserting the SIM into another phone, and if it doesn't work, it may have damaged the chip (often after falling or being hit by magnetic fields).
If the SIM is recognized but the network is missing:
- ๐ Reboot the phone.
- ๐ก Manually select the operator in the settings: Settings โ SIM-maps and mobile networks โ Choice of network.
- ๐ง Update the firmware - in new versions MIUI Frequently fix bugs with the communication module.
โ ๏ธ Note: On eSIM models (e.g. Xiaomi 13 Lite) SIM-If you use both, turn off the eSIM before extracting the physical SIM.