How do you put it in? SIM-map 10S: instructions with photos and tips for setting up the network

Introduction: Why the Right Installation SIM-Cards are important for Redmi 10S

Xiaomi Redmi Smartphone 10S (The 2021 model, codenamed Rosemary, supports two nano-SIM cards or one nano-SIM. + MicroSD card. What would seem to go wrong when installing a SIM? In practice, users face problems ranging from lack of network to damage to the tray. This article will help avoid typical errors and set up mobile communication the first time.

Feature of Redmi 10S — So if you want to use two SIMs, you have to sacrifice the expansion of the memory, and if you want a microSD, one of the SIMs will go idle, and we'll sort out all the nuances, including the eSIM (although officially Redmi). 10S It doesn't support it, there are workarounds).

Before you start, check:

• 📱 Yours. SIM-The card is nano (the smallest one) and if you have a micro or a standard card, you have to cut it off or replace it with the operator.
• 🔧 There is a paper clip or special key to extract the tray (goes complete with the phone) at hand).
• 📶 Phone unlocked (if you bought it with your hands, make sure it is not tied to the operator).

If one of the items is not met, go back to the preparation. SIM-A card of the wrong size or without a key can lead to a jamming of the tray - its repair will cost 1,500-3000 ₽.

Where is the slot for SIM-maps in Xiaomi Redmi 10S

Unlike the flagship models of Xiaomi, where the slot can be located on top or side, in Redmi. 10S It's on the left end of the body, and to detect it, flip the phone upwards and look at the left side, and you'll see a small hole with a metal rim. SIM card-pictogram.

If you're holding the phone in your hand and you can't see the slot, maybe it's covered with a protective case. Take the case off -- sometimes the manufacturers cut it out for the slot, but it may not be deep enough. Also check if you've confused the slot with the headphone jack (it's on the top end) or the USB-Type C (on the bottom end).

If you can't find the slot, grab a flashlight and light the ends of the phone at an angle. Sometimes the hole to extract the tray is faint, especially on dark cases (Redmi). 10S Carbon Gray, Ocean Blue, Pebble White).

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If you change often SIM-card, buy a metal paper clip with a magnet - it does not bend or lose, unlike the plastic key from the kit.

Step-by-step: how to open the tray for SIM-map

Now, to the most critical part of this, which is to remove the tray, you don't have to turn off the phone, but if you're a beginner, you better do it to avoid random taps.

1. Take a paper clip or key from the kit. If you don't have a special tool, you can use an unbended stationery clip or even a needle (but carefully so as not to scratch the case).
2. Put the tip of the paper clip into the slot hole to the point. Press with effort, it should be a slight click.
3. The tray will extend 1-2 mm. Carefully pull it with your fingers until it is fully removed. Do not use force - if the tray does not go, check if it is caught. SIM-map.

If the tray doesn't come out:

• 🔧 Try to press the paperclip at a different angle (not strictly perpendicular, but slightly tilted).
• 📱 Restart your phone – sometimes software failures block the mechanism.
• 🛠️ If the tray is jammed, don't try to pull it out with pliers.

Turn off the phone (recommended)

Prepare a nano-SIM (check the size)

Find a paper clip or key to remove the tray

Check the tray for damage

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Pay attention to the design of the tray: in Redmi 10S It's two-way. One side is for nano-SIM, the other side is for nano-SIM or microSD, but not at the same time:

• SIM1 — The main SIM (supports) 4G).
• SIM2 / MicroSD: A second SIM or memory card (but not both at once!).

⚠️ Attention: if you insert two SIM-So you put in a microSD and a microSD card at the same time, and you don't recognize either of them, and you give priority to the first one, like if you put in a microSD and you try to add a second SIM, it won't work.

How to insert it correctly SIM-map to the tray: nuances for Redmi 10S

Now, let's get the SIM in the tray, and there's a lot of people who make mistakes that then lead to no network.

1. Place the tray on a flat surface (like a table) with contacts upwards. On the back of the tray, there are map layouts.
2. Take a nano-SIM and place it in the nest. SIM1 or SIM2 So that the bevelled angle coincides with the angle on the tray. the SIM contacts should be directed downwards (to the base of the tray).
3. Carefully press on the SIM until a slight click - it should "sit" in the grooves and not hang out.
4. If you install a microSD, place it in the nest. SIM2 / microSD, but remember: the second sim will not work.

Check if the SIM is correctly installed:

• 🔍 SIMKA contacts should not be outside the edge of the tray.
• 📏 The card does not dangle or fall out with a slight shake of the tray.
• 📱 The sloping angle of the sim coincides with the mark on the tray.

If you use two SIMs, consider:

• 📶 SIM1 supportive 2G/3G/4G, SIM2 — only 2G/3G/4G (without VoLTE in some regions).
• 🔄 Default calls and SMS come on SIM1. To change this, go to Settings. → SIM-maps and mobile networks.
• 🌐 If one of the sims doesn't catch 4G, check the settings APN (see section below).

Installing the tray back into the phone: how to avoid breakdown

When the SIM card is placed in the tray, you just have to put it back in place, and this is a very simple step, but here users often break the locking mechanism.

1. Take the tray by the edges (without touching the SIM or microSD) and align it with the groove on the phone. make sure it is inserted on the correct side - there is a tag on the tray (usually an arrow or a lettering). PUSH).
2. Carefully press the tray with your thumb until you click. Don't use excessive force -- if the tray doesn't go, check if the SIM is disturbing.
3. After clicking, release the tray, it should "drown" in the body flush, and if it protrudes, then you inserted it incorrectly.

If the tray is not fixed:

• 🔄 Turn it over and try to insert the other side.
• 🧹 Check if the garbage got into the groove (dust, hair, plastic particles).
• 🛠️ If the mechanism is broken, don’t try to fix it yourself – in Redmi. 10S The tray is attached to the motherboard, and careless repairs can damage it.

⚠️ Warning: if after installing the tray the phone stopped turning on or gives an error SIM-The card is not supported, immediately remove the tray and check: Are the SIM contacts bent or the tray, is the microSD installed in the SIM socket (and vice versa), is moisture on the contacts (if the phone was recently in a damp room).

After successful installation, turn on the phone (if it was turned off) and wait for the SIM to initialize. The network indicator will appear on the lock screen or in the status bar (for example, MTS, Beeline or the network indicator). 4G). If it is not, move on to the next section.

Network settings after installation SIM-map

Even if the SIM is physically set correctly, additional customization is sometimes required. at Redmi 10S This is done through the Settings menu. Follow the instructions:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose the SIM that you want to set up (if there are two).
3. Make sure that the mobile data switches and calls are active.
4. Press Access Points (APN) and check if the fields are full: Name is usually the operator's name (e.g. MTS Internet). APN — Each operator has its own type of authentication (for example, Internet.mts.ru for MTS). PAP or CHAP.

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Save the settings and restart the phone.

If the internet is not working:

• 🌐 Check your account balance (sometimes operators block traffic with zero balance).
• 📡 Make sure that your area has coverage 4G (Go to the operator’s website and check the coverage map).
• 🔄 Switch the network mode from 4G/3G/2G (car only 4G (In some areas, this helps).

For calls:

• 📞 If you can’t call, check if the mode is activated on the plane (turns off in the notification curtain).
• 🔕 Make sure the SIM is not locked (try inserting it into another phone).
• 📵 If there is no network at all, restart your phone or update your firmware (sometimes bugs). MIUI knock down modem settings).

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If after all the manipulations, the SIM does not work, try it on another phone, and if there is no network, the operator has a problem or the SIM is damaged.

Frequent problems and their solutions

Even with the right installation SIM-maps by Redmi 10S They're facing typical problems. We've collected the most common and the ways to fix them:

If neither of these methods worked, there may be a problem with the phone's hardware. 10S most often:

• 📡 Modem (responsible for communication) - requires soldering.
• 🔌 Antenna plumes - can retreat when falling.
• 🛠️ Slot SIM-cards - contact oxidized.

Cost of repairs in service centers:

• 🔧 Slot replacement SIM-maps: 1,200–2,500 ₽.
• 📡 Diagnostics of modem: 500–1000 ₽.
• 🔄 Flashing (if software fails): 800–1,500 ₽.

⚠️ Note: If you have purchased a Redmi 10S hand and he doesn't see the SIM, check it for a link to the operator IMEI. To do this, enter the code *#06# in the phone application and check IMEI If the phone is blacklisted, it won't work with Russian SIMs.

Alternative methods: eSIM and adapters

Officially Xiaomi Redmi 10S It doesn't support eSIM, but there are workarounds for those who want to use a virtual SIM:

1. eSIM software emulation

Some users manage to activate eSIM via the engineering menu, but this requires:

• 📱 Root rights (risk of a phone brick!).
• 🔧 ESIM Enabler patch installations (not working on all firmware).
• 📡 Support eSIM by your operator (in Russia it is MTS, Beeline, Tele2).

Instructions (for experienced users):

1. Get root access (e.g. via Magisk).


2. Install the eSIM Enabler module from the Magisk repository.




3. Reboot the phone.




4. Go to Settings → SIM- of the → Card Add eSIM.




5. Scan the QR-code from the operator.

2. Use of the nano-SIM adapter → eSIM

There are adapters on sale (for example, from Airalo or GigSky), which allow you to convert a physical nano-SIM to eSIM. ₽. Pluses:

• ✅ You don't have to hack your phone.
• ✅ You can use two physical sims. + eSIM (via adapter).

Cons:

• ❌ Adapter takes over slot SIM1.
• ❌ Not all operators support eSIM transfer.

3. Hybrid solutions (for travel)

If you need an eSIM to travel abroad, consider:

• 🌍 Virtual carriers like Airalo or Holafly sell eSIMs with local rates.
• 📱 Second phone with eSIM support (like iPhone or Google Pixel).

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If you need an eSIM for temporary use (like on a trip), buy a low-cost eSIM-enabled phone (like the Redmi Note 11 Pro).+ 5G) And use it as a second apparatus.

FAQ: Answers to Frequent Questions