Xiaomi 11 – flagship series of smartphones, which despite premium features retains the classic design with a physical tray for the smartphone. SIM-But even a simple operation like installing a SIM can raise questions for beginners: Where is the slot? What type of card is supported? Why does the phone not see the network after installing it?
In this article, we will analyze all the nuances of the installation SIM-The cards in the Mi 11, Mi 11 Pro, Mi 11 Ultra and Mi 11 Lite, including visual circuits, typical errors and how to fix them, will focus on two key points: the correct position of the card in the tray and check compatibility with the operator. If you just purchased a device or plan to change the SIM - save this instruction bookmarks!
Supported types SIM-maps to Xiaomi 11
All Xiaomi 11 models use nano-SIM (4FF), the most compact standard to date.
- 📱 Mini.-SIM (2FF) micro-SIM (3FF) They will not work – they need to be cut or replaced by the operator.
- 🔄 The tray supports two nano-SIM (hybrid slot) or one nano-SIM. + microSD card (up to 1 TB).
- ⚠️ The Mi 11 Ultra microSD slot is missing, with only two nano-SIMs.
If you have an old SIM, don't rush to cut it yourself! Contact the phone room - operators provide a replacement for free (in some cases, you may need to pay for a new chip). The alternative is to use an adapter to trim, but it's risky: if you cut it neatly, the contacts can get damaged.
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Before you trim the SIM, back up your contacts! In some cases, the data from the chip can be erased when the form factor changes.
Important: Xiaomi 11 supports Dual SIM Dual Standby (DSDSDS) – both cards are active at the same time, but only one can use 4G/5G at the moment.
Where is the slot for SIM-maps to Xiaomi 11?
Unlike some flagships with remote slots (for example, under the lid), Xiaomi 11 tray is traditionally located on the left end of the case.
- 🔍 Small hole for the tool-"clip" (size) ~0.8 mm).
- 📏 A pictogram tag SIM-cardboard.
- 🎨 The color of the tray - it usually contrasts with the body (grey or black).
The photo below shows the exact location for all the series modifications:
Photo of the SIM slot in Xiaomi 11 (clickable)
⚠️ Note: Do not confuse the slot for SIM plug-in IR-The blaster (infrared port) or microphone hole! the latter are located closer to the upper / lower end and have a smaller diameter.
Step-by-step instruction: how to insert SIM-map
The process of installing the SIM takes no more than 2-3 minutes, but requires accuracy.
- Turn off your phone. This is not necessary, but it is recommended to avoid failures when initializing the network.
- Find a tool to remove the tray. The Xiaomi 11 comes with a metal clip. If it's not, use an unbended stationery clip or a special key (sold in electronics stores).
- Insert the tool into the hole to the point until the tray is pushed out 1-2 mm.
- Carefully pull the tray with your fingers - do not pull the tool!
Now put it in. SIM-card(s) in the tray. Pay attention to the key points:
- 🔧 The contacts of the chip should be turned down, and the beveled angle should coincide with the notch on the tray.
- 📏 For the Mi 11 Lite: slot SIM 1 supports 5G, SIM 2. Only 4G.
- 💾 If you install a microSD, it takes up a slot. SIM 2 (in hybrid models).
After placing the cards, check:
Simka lies tightly in the grooves|Contacts are not covered by a protective sticker|The tray is not bent or deformed.|No foreign objects in the phone slot-->
Put the tray back in before you click. Make sure it's locked -- if the tray falls out, it means the SIM is not installed correctly.
Frequent errors and their elimination
Even if you install the SIM correctly, you can have problems. Consider typical scenarios and solutions:
| Problem. | Possible cause | Decision |
|---|---|---|
| The phone can't see. SIM-map | Incorrect installation of the chip | Reset the SIM, check the contacts |
| No network or "Emergency Calls Only" | Non-activated SIM or operator problems | Recharge your phone, check your balance, contact the operator |
| The tray is not fixed. | Deformation of tray or foreign object in the slot | Examine the slot with a flashlight, clean gently with a soft brush |
| SIM-card | Poor contact or chip damage | Remove the sim, check for scratches, replace if necessary |
⚠️ Note: If after installing the SIM phone writes "SIM-"card damaged," don't try to clean the contacts with alcohol or erasing! This can erase the protective coating.
Critical error: If the tray is jammed inside the phone, DO NOT try to pull it out with tweezers or a needle - this will damage the mechanism.
Activation. SIM-maps and network settings
Once the SIM is installed, the Xiaomi 11 will automatically run a network search, but sometimes you need to manually set up.
- Turn on your phone and wait for the network indicator to appear (usually 10–30 seconds).
- If there is no network, go to Settings. → SIM-maps and mobile networks.
- Choose yours. SIM-map and set the parameters: 📶 Mobile data (for the Internet). 📞 Calls (if the SIM supports voice communication). 🔄 Automatic network selection (recommended).
5G/4G/3G/2G
Only 4G.
If your phone is unable to connect to the network, check:
- 📡 Your operator’s coverage area (for example, via speedtest.net).
- 🔋 Account balance – sometimes operators block services with zero balance.
- 🔄 APN-Settings: Go to Settings → Mobile network → Access points (APN) Choose your operator profile.
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If after installing the SIM phone asks PUK-code, it can be found on the plastic carrier to which it was attached SIM-Enter the code carefully, after 10 attempts, the SIM will be permanently blocked!
Features for different models Xiaomi 11
Although the process of installing the SIM is similar to the entire series, there are nuances for specific modifications:
| Model | Slot type | Support for 5G support | Features |
|---|---|---|---|
| Mi 11 | Hybrid (2 nano-SIM or 1 nano-SIM + microSD) | Yeah (both slots) | SIM 1 Slot Priority for 5G |
| Mi 11 Pro | Hybrid | Yeah (both slots) | A tray with a reinforced locking mechanism |
| Mi 11 Ultra | Only 2 nano-SIMs (without microSD) | Yeah (both slots) | Support for Dual 5G (Simultaneously) |
| Mi 11 Lite | Hybrid | Yes (SIM 1 only) | SIM 2 slot only works in 4G |
For the Mi 11 Ultra, it’s important that if you use two SIMs, one will run in 5G NSA (with 4G support) and the other will run in 5G SA (pure 5G).
In the Mi 11 Lite, when installing a microSD, the SIM 2 slot turns off - you will not be able to use two SIMs simultaneously with the memory card.
What to do if the slot for SIM-map damaged?
If the tray is jammed, bent or it is not fixed, there are several ways to solve:
- Careful extraction: Use a plastic spatula (to repair phones) or a thin guitar mediator. Tuck the tray on the side without pressing on the SIM.
- Clean contacts: Wipe the contacts of the SIM and slot with a dry soft cloth (no alcohol!). Blow the slot with compressed air (a canister for cleaning equipment).
Replacement tray
- The original tray for Xiaomi 11 costs ~300-500 rubles (article: MB04009 for the standard model).
- Replacement can be done independently, but if the connector on the board is damaged - contact the service.
⚠️ Warning: If you hear a crunch or sparks when you're removing the tray, turn off your phone immediately! This is a sign of short circuit!
The cost of repairing the SIM slot in service centers:
- 🔧 Replacement tray: 500-1000 rubles.
- 🔌 Repair of the connector on the board: 1,500–3,000 rubles.
- 📱 Complete replacement of the nest (in case of damage to the body): 2000-4000 rubles.