Xiaomi Redmi 4
2016
insert SIM-map
In this article, we will discuss all the variants of Redmi 4 (including Redmi 4 Pro, Redmi 4 Prime and Redmi). 4A), We'll show you the exact slot layouts, explain how to extract and paste the card correctly, and also warn you against common errors. If you just bought a used device or pulled it out after a long idle, here you'll find a step-by-step instruction with photos and answers to frequent questions.
Important: The design of the slot in Redmi 4 is different from the newer Xiaomi models (for example, the Redmi Note 5 or the Redmi Note). POCO X3). There is no universal tray under two. SIM + MicroSD is only a hybrid slot that requires careful attention. If you mistype the card or install it incorrectly, the smartphone may not see the network or even damage contacts.
1 Where is the slot for SIM-Maps Xiaomi Redmi 4: photo and description
Xiaomi Redmi 4 (all modifications) slot for SIM-This is a map that's on the left side of the case, next to the volume buttons, and it's a hybrid tray that supports this:
- π± Two nano-SIM cards (without microSD)
- π± One nano-SIM + microSD (up to 256 GB)
Important: Two at the same time SIM And the memory card doesn't work, it's a limitation of architecture. SIM And the extra storage, you have to choose.
The exterior of the tray looks like a small hole with a metal rim and a miniature recess for the extraction tool.
Photo of the slot SIM In Redmi 4 (click to expand)
How do you distinguish the Redmi 4 from the other versions? If you're not sure about the model, look at the back cover:
- π Redmi 4 Pro/Prime: metal case, fingerprint scanner
- π Redmi 4 (standard): plastic cover, no scanner
- π Redmi 4A: The most compact, without scanner, plastic
At Redmi. 4A The slot is similarly positioned, but the tray is not hybrid - only two nano-SIMs (without microSD support).
2. What? SIM-Xiaomi Redmi 4: Nano, Micro or Standard?
Xiaomi Redmi 4 (All versions work exclusively with nano-SIM (format) 4FF, 12.3 Γ 8.8 If you have a different size card:
- π οΈ Micro-SIM: can be trimmed to nano using a special stapler or in the cabin of the operator.
- π« Standard-SIM: Not fitting - physically not fitting into the tray.
What happens if you put a micro-SIM in without trimming? The tray doesn't snap, the card will stick to the edges of the slot, and the contacts won't match the smartphone connectors, at best the phone won't see the network, at worst it will damage the slot contacts.
If you are not sure about your size SIM, Compare it to the pattern:
| SIM format | Dimensions (mm) | Is it good for Redmi 4? |
|---|---|---|
| Standard-SIM (1FF) | 25 Γ 15 | β No. |
| Micro-SIM (3FF) | 15 Γ 12 | β οΈ Only after pruning. |
| Nano-SIM (4FF) | 12.3 Γ 8.8 | β Yes. |
| eSIM | Virtual | β No (not supported) |
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If you cut micro-SIM to nano yourself, use a clipping template and make sure the contacts remain intact. It is better to do it in the operator's cabin - they will be cut free in 5 minutes.
3. Step-by-step instruction: how to insert SIM-Map in Xiaomi Redmi 4
Before you start, make sure you have:
- π§ Paperclip or tool for extracting the tray (goes with the phone).
- π± Nano-SIM card (or micro-SIM, trimmed to nano).
- π The smartphone is off (recommended, but not necessarily).
Turn off your smartphone (optional, but recommended)
Check the size. SIM-maps (must be nano)
Prepare a paper clip or tool to remove the tray
Make sure you're on SIM no damage or dirt-->
Step 1. Remove the tray for SIM-map
- Take a paper clip (or a special tool from the kit).
- Insert it into a small hole on the left side of Redmi 4 before clicking.
- The tray will be pushed out by 1-2 mm - carefully pull it out with your fingers.
Step 2. Set it up. SIM-map
- π Put the nano-SIM in the tray with the contacts down (the golden side should be facing the back of the phone).
- π If you set two SIM, The second card is placed in the upper slot (closer to the camera).
- π For microSD, use the bottom slot (instead of the second slot). SIM).
Step 3. Put the tray back in.
- Carefully insert the tray into the slot before the click.
- Make sure the tray is straight in - if it sticks out, it means, SIM misplaced.
π‘
If the tray is not inserted to the end, DON'T Push it with force! Pull it out and check if it lies right. SIM-Forced pressure can bend the slot contacts.
Typical errors in installation SIM Redmi 4 and how to avoid them
Even in this simple procedure, users often make mistakes.
β οΈ Attention, if after installation SIM The phone doesn't see the network, check it: π Restart your smartphone β sometimes the system doesnβt recognize the card right away. πΆ Make sure that SIM activated by the operator (especially if the card is new). π Check if your contacts are contaminated. SIM or in a slot (wipe with an alcohol napkin).
Mistake 1: SIM pinned
If you mix the sides, the phone won't see the map, and the contacts (the golden part) should be facing down to the back of the phone.
Mistake 2: Using a micro-SIM without trimming
The tray won't physically snap, and if you force it, you can damage the contacts. Redmi 4 has no micro-SIM adapter -- only nano!
Error 3: Simultaneous installation of two SIM + microSD
The hybrid slot doesn't support this mode, so you have to choose between two. SIM, one SIM + memory-card.
Mistake 4: The tray is inserted crooked
If the tray is not straight, contact SIM It won't touch the phone connectors. Carefully pull it out and re-paste it.
5. How to extract SIM-Xiaomi Redmi 4 card if tray jammed
Sometimes the tray stops being pushed due to dust, deformation or improper installation. SIM. Here's what to do:
Method 1: Standard extraction
- π§ Take a paperclip and press on the hole next to the slot.
- π§ If the tray does not come out, try to press at different angles.
Method 2: Extract without a tool
- π§² Apply a thin magnet to the area of the slot (sometimes helps to pull the tray out).
- π If there is no magnet, try to gently tamper with a plastic card (not a metal card!).
Method 3: Disassembly (extreme case)
β οΈ Attention! This method is risky - you can damage the plumes or the body. Use only if other methods do not help: Remove the back cover (in Redmi). 4 Pro/Prime You need a suction cup or a mediator. Unscrew the screws that hold the metal plate. Carefully tuck the tray inside with a plastic blade. If you're not sure about yourself, go to the service center.
Frequent questions about SIM-Maps in Xiaomi Redmi 4
Can I use eSIM in Redmi 4?
No, the Xiaomi Redmi 4 (all versions) does not support eSIM.
Why the phone doesnβt see the second one SIM?
Possible causes:
- π SIM Inactive (check with the operator).
- πΆ The second slot is disabled in the settings (check in Settings). β SIM-maps and mobile networks).
- π§ Damaged slot contacts (repair required).
Which operator works best in Redmi 4?
The phone supports all Russian operators (MTS, Beeline, MegaFon, Tele2), as well as virtual (Yota, Tinkoff Mobile, etc.).
- πΆ Redmi 4/4A: 4G (LTE Band 1/3/7/20 β Working with MTS, MegaFon, Beeline).
- πΆ Redmi 4 Pro/Prime: + Band 38 (support 4G+).
Question: Can I insert SIM Redmi 4 without turning off your phone?
Yes, you can. But we recommend turning off your smartphone before installing/removing it. SIM, to avoid modem malfunctions.
Question: Where to buy a tool to remove the tray, if lost?
It may be replaced by:
- π In the salons (often given free of charge).
- π On AliExpress or in accessories stores (worth it) ~50β100 rubles.).
- π οΈ Use a straightened clip or needle (carefully!).
Video Instructions: How to Insert SIM Xiaomi Redmi 4
If you can see the information visually, watch the official video from Xiaomi (in English, but the process is clear without words):
Video Instructions (click to expand)
If the video is not available, follow our step-by-step instructions above.
8.Alternative ways: what to do if the slot is broken
If the tray is for SIM Your Redmi 4 is broken or not fixed, there are multiple exits:
Option 1: Renovation at the service centre
- π§ Replacement of the slot will cost 500-1500 rubles (depending on the region).
- π§ If the contacts are broken, you will need rations (from 2000 rubles.).
Option 2: Use of wireless alternatives
- πΆ Wi-Fi Calling: Calling via Wi-Fi (if the operator supports it).
- π± Second second SIM On another phone: use the second phone to make calls.
- π Messengers (WhatsApp, Telegram) for Internet calls.
Option 3: Switch to eSIM (not for Redmi 4!)
Unfortunately, Redmi 4 doesnβt support eSIM, but if youβre planning to change your phone, look for new Xiaomi models (like Xiaomi 13 or Xiaomiβs newest phone). POCO F5), where this function already exists.
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If the slot is broken and repairs are too expensive, consider buying a used Redmi 4 replacement. ~3-5 thousand rubles (2026).