How do you put it in? SIM-Map in Xiaomi Redmi 8: instructions with photos, videos and tips for setting up

Why the Right Installation SIM-Redmi 8 maps are more important than they seem

Smartphone Xiaomi Redmi 8 It's still a popular choice because of its price-performance balance, but even with a proven device, there are nuances. SIM-If you install the SIM card incorrectly, it not only causes the lack of network, but also damages the slot contacts or even breaks the tray (and it will cost you to replace it in the service). 30-50% phone-price).

In this article, we will not only explore the basic instructions, but also the hidden problems that Redmi 8 owners face: why the phone does not see the second SIM, how to circumvent the limitations of the hybrid slot, and what to do if the tray is jammed, and also - video with a demonstration of the process and the carrier compatibility table.

If you’ve just bought a Redmi 8 or are switching from another smartphone, note that this uses nano-SIM (the smallest format), and the tray does not automatically extend — it needs to be carefully tampered with.

What? SIM-Xiaomi Redmi 8: formats and limitations

Xiaomi Redmi 8 is equipped with a hybrid slot that supports:

• 📱 Two nano-SIMs (3FF, size 12.3×8.8 mm) - simultaneously but with limitation (see below).
• 📱 One nano-SIM + microSD (up to 512 GB) – if you need memory, you will have to sacrifice a second SIM.
• ❌ It does not support micro-SIM (2FF) standard SIM (1FF) adaptless.

Important nuance: second SIM-The card only works in mode. 2G (GSM), if the first is connected to 4G. This is a hardware limitation of Redmi 8 that you can't fix with settings. LTE — Consider a more popular model, for example, Redmi Note 10.

To check what format of the SIM you have now, look at its edges:

• 🔍 Nano-SIM: Almost all plastic removed, only chip with thin frame.
• 🔍 Micro-SIM: the frame is wider, approximately 15×12 mm.
• 🔍 Standard. SIM: card-size (25×15 mm).

If you have a micro-SIM or a standard one, you can cut it to nano-format with a special stapler (costs ~ 100 rubles) or in the communication room. Don't try to cut it with scissors - you risk damaging the chip!

Step-by-step instruction: how to insert SIM-map in Redmi 8

Make sure the phone is turned off before you start. This is not a requirement (you can insert a SIM on the device on), but this will prevent accidental taps and network failures.

Turn off the phone (clip the power supply) → "Turn it off")

Prepare a paperclip or needle from the kit

Check the format SIM-Cards (must be nano-SIM)

Clean the tray of dust (if it has already been used)-->

Now we follow the algorithm:

1. Find a slot for SIM-maps: it's located on the left end of the phone (if you hold the screen to yourself) and there's a small hole nearby to extract the tray.
2. Put the paperclip in the hole before you click. The tray will extend 2-3 mm - gently pull it with your fingers.
3. Put it down. SIM-card-tray: 📌 Chip down (contacts to the phone). 📌 Angle to the cutout on the tray (see photo below).

Click the tray.

effortlessly

After turning on the phone will be a notification of a new SIM-If you don't have a network, go to Settings. → SIM-Maps and mobile networks and select the operator manually.

Common Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes when installing SIM-Redmi 8 cards, here are the most common ones:

Pay special attention to the hygiene of the slot. If you bought a Redmi 8 b/d, chances are that the previous owner did not clean the contacts.

1. Remove the tray and the SIM.
2. Soak the cotton swab in isopropyl alcohol (not vodka!).
3. Gently wipe the contacts in the slot and on the SIM.
4. Let it dry for 2-3 minutes before installation.

To set priorities:

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose. SIM-map, "SIM 1").
3. Activate options: 🔘 4G (if you need high-speed connectivity). 🔘 Calls (allow outgoing calls). 🔘 SMS (default). 🔘 Data transmission (only for one person) SIM!).

If you want the second SIM to work in 4G, turn off the mobile data on the first SIM.

1. Press the mobile network icon in the notification curtain.
2. Select the mobile network settings.
3. Turn off the mobile data for SIM-1.
4. Activate them for the SIM-2.

Step 3: Resetting network settings

If nothing helps, reset your network settings (this won’t delete your data):

1. Go to Settings → System → Resetting settings.
2. Select Network Resetting.
3. Confirm the action and restart the phone.

Step 4: IMEI verification

In rare cases, the problem is associated with damage to the IMEI (for example, after a failed firmware).

1. Dial *#06# and you should display two IMEIs (one for each SIM).
2. If instead of numbers empty or "null" - you need to restore the IMEI (better contact the service).

Video instructions and additional materials

For clarity, we have prepared a selection of videos that will help to deal with the installation. SIM-Maps in Xiaomi Redmi 8:

• 🎥 How do you put it in? SIM Redmi 8 (official Xiaomi channel) – step-by-step analysis with close cadres.
• 🎥 What to do if Redmi 8 doesn’t see it SIM-map - diagnostics and repair.
• 🎥 Hybrid Slots: How to Use Two SIM and microSD - life hacks by combination.

We also recommend downloading the official user manual for Redmi 8 (in Russian):

• 📄 Xiaomi Support Page – Choose a Model and Download PDF.
• 📄 Forum 4PDA — discussion and informal firmware.

If you prefer textual instructions, below are screenshots of each step with explanations:

FAQ: Frequent questions about SIM-Maps in Xiaomi Redmi 8