You just purchased a new Xiaomi Redmi smartphone and faced the first technical challenge β installation. SIM-Do you move from another device to another device and you can't find your usual tray? In this article, we'll look at all the possible locations. SIM-Redmi cards range from budget models to flagships, and it is important to understand that the design of the slot can vary dramatically depending on the year of release and series of the device.
Xiaomi Manufacturer Uses Three Main Types of Accommodation SIM-cards: classic side-faced retractable tray, hybrid battery-powered slot (in older models) and combined tray for two nano-SIMs + Not only will we show you exactly where to look for a slot in your model, but we will also explain how to properly remove the tray without damage, what tools you will need to do this, and what to do if you want to do it. SIM-The card is not recognized after installation, and we will focus on common errors that users make when they first install it.
Types of slots for SIM-cards in Xiaomi Redmi: what are the differences between the models
Before you look for a slot in your device, it is important to determine which generation your Redmi belongs to. SIM-maps of the last 5 years:
- π± Modern models (2020β2026 ): retractable tray on the left or upper edge of the body. Supports nano-SIM + nano-SIM/MicroSD (Examples: Redmi Note 12 Pro, Redmi 10C.
- π Transitional models (2018β2019): tray on the side, but sometimes you need to remove the lid. Examples: Redmi 7, Redmi Note 8 Pro.
- π οΈ Older models (until 2018): battery slot (removal of the back cover required). Examples: Redmi 4X, Redmi Note 3 Pro.
The key difference between modern devices is the use of hybrid trays, where the second slot can work either as a place for the second. SIM-It's either a microSD card or a microSD card, which means you can't use two cards at the same time. SIM-cards and memory cards, with the exception of some Redmi K series models (e.g. Redmi). K50), where a separate slot for MicroSD is implemented.
Where exactly is the slot for SIM-maps: search by model
In order not to waste time on a meaningless inspection of the case, use our table with the exact location of the slot for popular Xiaomi Redmi models:
| Model of the device | Slot location | Type SIM-map | Support for MicroSD Support |
|---|---|---|---|
| Redmi Note 12 Pro/Pro+ | Left face (top) | 2 Γ nano-SIM | Hybrid slot |
| Redmi 10C / 10A | Left face (lower part) | 2 Γ nano-SIM | Hybrid slot |
| Redmi Note 11 Pro | Left face (middle) | 2 Γ nano-SIM | Separate slot |
| Redmi 9T / 9 Power | Left face + removable cover | 2 Γ nano-SIM | Hybrid slot |
| Redmi Note 8 (2019) | Upper edge | 2 Γ nano-SIM | Hybrid slot |
Important: In the Redmi Note 11 Pro and later, the microSD slot is made separately, which allows you to use two SIM-If your model is not listed in the table, focus on the year of release: from 2020, all devices have a retractable tray on the left side of the table.
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If you are not sure about your Redmi model, check it in the settings along the Settings β About Phone β Model. This will help you avoid mistakes when searching for a slot.
How to remove the tray for SIM-maps: step-by-step instructions
Even if you know where the slot is, many users have the problem of extracting it. SIM-card (companying with phone) or thin needle.Follow the algorithm:
- Turn off your smartphone (recommended, but not required).
- Find a small hole next to the slot (usually marked by a pictogram) SIM-map).
- Insert the paperclip into the hole before clicking - the tray will be pushed out by 1-2 mm.
- Carefully pull the tray on yourself without making any effort.
Make sure the phone is off |
Find a paper clip from the set (or substitute) |
Check the size. SIM-Cards (must be nano-SIM)|
Clean the tray of dust (if necessary)-->
If the tray is not extended:
- β οΈ Check if the tongue inside the hole is bent (a common problem after falls).
- β οΈ Do not use sharp objects (knives, pins) β this can damage the mechanism.
- β οΈ In models with a removable cover (Redmi) 9A, Redmi 8) first remove it by pulling the notch at the bottom of the body.
β οΈ Attention: In Redmi Note 9 Pro and Redmi 10 devices, the tray is fixed by a spring mechanism. If it jammed, do not try to pull it out by force, contact the service center.
Frequent errors in installation SIM-maps and how to avoid them
Even experienced users sometimes make mistakes that lead to a breakdown. SIM-This is the most common of these:
- π Misdirectional orientation SIM-maps: the contacts should be downwards and the bevelled angle should match the shape of the tray. In the Redmi Note 12 models, there is a hint in the form of a silhouette of the map on the tray.
- πΆ Using Micro-SIM instead of nano-SIM: Modern Redmi supports only nano-SIM. If your card is larger, it should be trimmed or replaced in the cabin of the operator.
- π Installation SIM-cards with the phone on: although this is not critical, in 5% of cases, it can cause a failure of the initialization of the network.
- π οΈ Dust in the slot: If the phone is often used in dusty conditions (for example, on a construction site), clean the tray with compressed air once every 3 months.
After installation SIM-map not defined:
- Reboot the phone.
- Check if the Flight mode is on in the notification curtain.
- Go to Settings. β SIM-maps and mobile networks and select the operatorβs network manually.
- If the problem persists, try another one. SIM-The card may be defective current.
What to do if the slot is damaged?
Features of hybrid slots: SIM + MicroSD
The hybrid slots used in most Redmis require special attention.
- π± There are two nests in the tray: the first is always for nano-SIM, the second is for the second. SIM, or.
- π Switching between modes occurs automatically: if inserted SIM-card to the second slot, the microSD slot will turn off, and vice versa.
- β οΈ In models Redmi Note 10 Pro and older while using two SIM-MicroSD speeds can be reduced by 20 to 30% due to controller limitations.
If you need to use two of them. SIM-MicroSD and Cards, Consider the following options:
- π Buy an adapter. SIM + MicroSD in one slot (cost) ~However, this decision is informal and may lead to overheating.
- π± Select a model with a separate microSD slot (e.g. Redmi Note 11 Pro or POCO X4 Pro).
- βοΈ Use cloud storage (Mi Cloud, Google Drive) instead of a physical memory card.
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Hybrid slots are a compromise between compactness and functionality, if you're critically interested in two. SIM-cards, and extended memory, choose models with a separate slot for MicroSD or use cloud services.
Models with a removable cover: how to get to SIM-map
In budget models Xiaomi Redmi until 2020 (for example, Redmi) 8A, Redmi 9A) slot SIM-It's hidden under the removable back cover to get to it:
- Turn off the phone and remove the memory card (if installed).
- Place the nail or plastic shoulder blade in the notch at the bottom of the body (near the charging connector).
- Carefully tuck the lid, it holds on the latches. Don't put too much effort into not breaking the mounts!
- Under the cover you will see the battery, and next to it - slot(s) for SIM-map.
These models often use a combined slot where:
- πΆ First slot for nano-SIM (main map).
- πΆ Second slot for micro-SIM (second card) or microSD.
- β οΈ The battery is not removable, despite the fact that the cover is removed!
β οΈ Attention: In Redmi models 7A Redmi 8, when removing the cover, you can accidentally damage the fingerprint scanner plume (if it is located on the back.
What to do if SIM-The card is not recognized after installation
If the phone can't see SIM-The reasons can be both hardware and software. Start with simple steps:
- Rebooting the device: 60% of the time, this solves the problem.
- Contact check: Remove SIM-Check the card for scratches or contamination. wipe the contacts with a smooth (carefully!).
- Manual network selection: go to Settings β SIM-maps and mobile networks β Selecting a network and selecting an operator manually.
- Software Update: Check for updates in Settings β About Phone β System Update.
If the problem persists, make a diagnosis:
- π§ Enter ##4636##, select Phone Information and check status. SIM-If the status is unknown or there is no service, the problem may be in the communication module.
- π‘ Try another one. SIM-If it's not working, there's a possible hardware defect (an antenna or modem damage).
- π οΈ In the Redmi Note 9 and Redmi 10 models, a common problem is the slot contacts moving away from the motherboard.
For devices with support for 5G (Redmi Note 11T 5G, Redmi K50) additional diagnostics:
β SIM-maps and mobile networks β Network type β 5G/4G/3G/2G (auto)If a 5G network is not available, try manually switching to 4G β sometimes it helps to restore the connection.