How to insert it correctly SIM-Map in Xiaomi Redmi Note 8 Pro: instructions with photos and nuances

Xiaomi Redmi Note 8 Pro is one of the most popular smartphones in the budget segment, but even experienced users sometimes have questions about basic operations. SIM-This is a map to avoid damaging the tray or contacts, and in this article we'll look at the process from A to Z, from tool preparation to mobile network setup after installation.

The model supports two nano-SIMs or one nano-SIM. + microSD card, but there are nuances with the tray location and the type of cards supported. If you're first encountering a hybrid slot, it's important to understand how not to confuse the sides and break the locking mechanism. SIM After installation is a common problem that can be solved without contacting the service.

This article will be useful not only for newcomers, but also for those who are moving from other brands (such as Samsung or iPhone), where the design of the trays may differ.

Preparation: What will be needed for installation SIM-map

Before you start installing, make sure you have everything you need. The Redmi Note 8 Pro comes with a special tool to remove the tray, a folded-end paperclip (which is often lost), and if it's not there, any thin metal clip, needle, or even toothpick will do, but with caution.

Also check:

  • πŸ“± Type SIM-maps: nano-SIM only (12.3 Γ— 8.8 If you have a regular or micro-SIM, it needs to be cut or replaced in the operator's cabin. Using the wrong size can damage the contacts.
  • πŸ”§ Tool for tray: paperclip, pin or special key (sold in accessories stores for 50-100 rubles). Do not use knives or screwdrivers - they are too thick and can scratch the body.
  • πŸ“Ά Active. SIM-card: make sure that the card is not blocked by the operator (for example, due to late payment). SIM It is meaningless – the smartphone will not detect it.
  • πŸ”‹ Battery Charge: Although the installation SIM It does not require power, it is better to have at least 20% charge, then set up the network without rushing.

If you are planning to use two SIM-Note that Redmi Note 8 Pro supports Dual SIM Dual Standby (DSDS). This means that both cards will be active, but during a conversation, one will not be available. SIM You can set up separate network settings (for example, 4G only).

⚠️ Note: Do not use adapters for micro-SIM or conventional SIM Even if the card fits physically, it can damage the slot contacts due to the loose fit. In service centers, such repairs cost 1,500-3,000 rubles.

πŸ“Š What? SIM-You are using the card in Redmi Note 8 Pro?
Normal (cut under nano)
Original Nano-SIM from the Operator
Two nano-SIMs
nano-SIM + microSD

Where is the slot for SIM-Maps in Redmi Note 8 Pro

Unlike some Xiaomi models, where the slot is located on top (like the Mi 9), in the Redmi Note 8 Pro it is on the left end of the case.This is a typical place for most of the brand's smartphones, but if you go from the iPhone (where the slot is on the right), you can first look for the wrong place.

The outermost part of the slot is a small hole with a metal rim. There's usually a microphone or speaker next to it -- don't confuse it! To be sure, look at the case: most Redmi Note 8 Pros have a small pictogram next to the slot. SIM-maps (sometimes hard to see in the dark colors of the case).

If you hold the smartphone screen to yourself, the slot is:

  • πŸ“ On the left, about a distance away. 1/3 bottom-end.
  • πŸ” Under the lid – no, in this model, the slot is not removable (unlike the old Redmi with the back cover).
  • 🚫 Not on the top end - there is only a headphone jack 3.5 mm and IR port.

On some versions (for example, for the Chinese market), the location may vary slightly, but in 99% of cases the slot is on the left. If you are not sure, watch the official video from Xiaomi or check the photos on the Internet.

πŸ’‘

Before removing the tray, place the smartphone on a soft surface (for example, on a table with a napkin), if it falls during the procedure, you can damage not only the body, but also the contacts. SIM-map.

Step-by-step: how to remove the tray and insert SIM-map

Now, to the process itself, follow the instructions carefully so that you don't break the locking mechanism. If something goes wrong, don't force it, you better read the step again.

Step 1. Turn off your smartphone.

While not necessary, it is recommended to avoid accidental taps or failures when removing the tray.To turn off, press the power button and select Turn off.

Step 2. Find a hole to extract the tray.

As we've seen before, it's on the left end, and you take a paper clip or a special key and you gently insert it into the hole, and you push it with a little effort, and you just click it, and you push it out a little bit.

Step 3. Remove the tray.

Once you click, pull the tray over with your fingers. Don't pull the paperclip, you can bend the mechanism! The tray should come out smoothly, without resistance. If it doesn't respond, check if the pin of the clip has fully entered the hole.

Step 4. Set it up. SIM-map).

There's a map layout on the tray. There are two options for the Redmi Note 8 Pro:

  • πŸ“‡ One nano-SIM is inserted into the first slot (usually marked as SIM 1).
  • πŸ“‡πŸ“‡ Two nano-SIMs - the first in SIM 1, second in SIM 2 (sometimes combined with microSD).
  • πŸ“‡πŸ’Ύ Nano-SIM + microSD β€” SIM into SIM 1, memory card in SIM 2 (in this case the second) SIM not used).

Pay attention to the cutout on the tray - it should match the shape SIM-The contacts (the golden part) should be directed downwards and the beveled angle should be directed towards the side indicated on the diagram.

Step 5. Put the tray back in.

Carefully insert the tray into the slot to the point. It should enter smoothly, without distortion. If you feel resistance, do not press, check if the cards are correctly installed. After clicking, the tray is automatically fixed.

Step 6: Turn on your smartphone and check the network.

After you turn on, wait for the network icon to appear in the status bar. If the network does not appear, go to Settings. β†’ SIM-maps and mobile networks and check the settings (more on this in the next section).

Check the type of card (nano-SIM only)

Prepare a tool to extract the tray

Turn off your smartphone (recommended)

Make sure that the contacts SIM pointing

Do not use force when installing the tray-->

What to do if your smartphone doesn’t see SIM-map

Sometimes after installation SIM-The network does not appear or the smartphone writes β€œNo” SIM-There are many reasons, from incorrect installation to hardware failures. Let's take a look at this in order.

1. Check the correct installation.

Remove the tray and make sure that:

  • πŸ”„ SIM-map inserted by contacts down.
  • πŸ“ The map sits tightly in the grooves and does not hang out.
  • 🚫 There are no scratches, dirt or oxidation on the contacts (wipe with eraser or alcohol if necessary).

2. Reboot the smartphone.

Sometimes a normal reboot helps. Press the power button, select Reboot, and wait for the power to turn on. If the network doesn't show up after that, move on to the next step.

3. Check the settings SIM-map.

Go to Settings. β†’ SIM-Maps and mobile networks and make sure that:

  • πŸ“Ά SIM-Card activated (slider enabled).
  • 🌐 Select the correct network mode (for example, 4G/3G/2G (motor-car)).
  • πŸ”„ Automatic operator identification enabled (or your operator manually selected).

4. Check. SIM-map.

If the card does not work on another phone, the problem may be in the phone itself (for example, blocked by the operator) or in the profile of services.

5. Update the firmware.

Sometimes recognition bugs SIM Corrected in new versions MIUI. Check for updates in Settings β†’ The phone. β†’ Updating the system.

6. Reset the network settings.

Go to Settings. β†’ SIM-maps and mobile networks β†’ Network resets, which will remove stored Wi-Fi networks and mobile Internet settings, but often helps with problems with the Internet. SIM.

⚠️ Note: If none of these methods worked, and the smartphone has previously fallen or been in contact with water, the problem may be damage to the slot contacts. In this case, repairs will be required in the service center.

Problem.Possible causeDecision
Smartphone doesn't see SIMIncorrect installationReinstall. SIM, Check the direction of contacts
No network, though. SIM recognizableWrong APN settingsSet up. APN manually (the data can be obtained from the operator’s website)
SIM only works after restartingFailure of software or contactsUpdate the firmware or clean the contacts with alcohol
The smartphone says "Impermissible." SIM"Card blocked or inactiveContact the operator to unlock
The tray is not fixed.Bend the mechanism or get trashClean the slot from dust or contact the service

Can you use a microSD with two? SIM-map

One of the key issues when buying the Redmi Note 8 Pro is the support of two SIM-And unfortunately, this is a hybrid slot, which means, you know, a card and a memory card:

  • πŸ“‡πŸ“‡ Two nano-SIMs, yes, you can.
  • πŸ“‡πŸ’Ύ One nano-SIM + MicroSD: Yes, you can.
  • πŸ“‡πŸ“‡πŸ’Ύ Two nano-SIMs + MicroSD: No, you have to choose.

This limitation is due to the design of the tray: the second slot can work either as a SIM 2, either as a microSD, but not at the same time. SIM, and a memory card, consider models with a separate microSD slot (e.g. Redmi Note 10 Pro).

If you want to use microSD, consider:

  • πŸ”„ Priority given SIM 1 – This will be the main call and SMS.
  • πŸ“Ά SIM 2 in a hybrid slot may not support 4G (firmware-dependent).
  • πŸ’Ύ ExFAT memory cards (over 32 GB) may not be readable on older versions MIUI β€” firmware update.

If you travel frequently and need two SIM, But you want to expand your memory, there's a workaround: USB-OTG It's not as convenient as the built-in microSD, but it allows you to plug in the memory card as needed.

How to check if your version of the Redmi Note 8 Pro supports two SIM + microSD?
In some regional versions (e.g. India), the slot may not be hybrid but full-fledged with three slots. To find out for sure, search for your device model by command #4636# (test menu) and check for slot information. However, 99% of the time, the Redmi Note 8 Pro has a hybrid slot.

How to set up a mobile network after installing SIM

After successful installation SIM-In most cases, Xiaomi automatically detects the operator and connects to the network, but sometimes manual configuration is required.

1. Selection of the main SIM-map.

If you have two. SIM, You can choose which one will be used by default for calls, SMS And the mobile Internet:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Select the Main SIM-map.
  3. Prioritize your calls, SMS data.

2. Configuring access points (APN).

If the mobile internet is not working, the settings may not be configured. APN. They are usually installed automatically, but if they do not:

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ [choose SIM] β†’ Access points (APN).
  2. Click Add and enter your operator’s settings (they can be found on the official website).
  3. Save and restart your smartphone.

3. Inclusion 4G (VoLTE).

For stable operation of calls on 4G (VoLTE) and high speed Internet:

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ [choose SIM] β†’ Type of network.
  2. Choose 4G (preferably).
  3. Activate the VoLTE Call option (if available).

Roaming and international settings.

If you are traveling, check out:

  • 🌍 Is data roaming enabled (in settings) SIM-map).
  • πŸ”„ Automatic Network Search or Manual Mode (if the machine is not working).
  • πŸ’° Check the roaming rates with the operator to avoid unexpected costs.

If after all the settings the Internet still does not work, try to temporarily turn off Wi-Fi - sometimes the smartphone "sticks" to Wi-Fi and does not switch to mobile data.

πŸ’‘

If, after setting up, APN Internet is not working, try resetting the network settings (Settings) β†’ SIM-maps and mobile networks β†’ Resetting network settings: This will delete all stored networks and settings, but often solves connection problems.

Frequent Mistakes and How to Avoid Them

Even in a simple process like installation. SIM-And these are the most common mistakes that users make, and then they make problems:

1. Use of the wrong instrument.

Many people try to open the tray with a knife, a nail, or even a tooth.

  • πŸ”ͺ The appearance of scratches on the body.
  • πŸ”§ Breaking the fixing mechanism (if pressed in the wrong place).
  • 🩹 Injury – the tip of the paper clip can slip and hurt your finger.

Use only a thin metal clip or a special key, and if you have nothing at hand, you can use a toothpick carefully, but with minimal effort.

Installation SIM-up-foot".

Contacts SIM-The cards should be pointed down, and the beveled angle should be pointed in the direction indicated on the tray. If you confuse, the smartphone will not see the map, and if you try repeatedly, you can scratch the contacts.

3. Applying excessive force.

The tray should be removed and inserted smoothly, if you feel resistance:

  • Check if it is inserted correctly SIM.
  • Make sure there is no trash in the slot.
  • Do not press - it is better to press the paperclip again so that the tray is pushed out completely.

4. The use of adapters for SIM.

Some people try to insert micro-SIM or regular SIM. SIM It's not allowed to do that because it's not allowed to do that:

  • The adapter may not fit tightly, which will lead to poor contact.
  • The edges of the adapter can catch on to the tray mechanism and damage it.
  • In the service, such a case is not recognized as a guarantee.

5. Ignoring firmware updates.

If the smartphone can't see, Suddenly SIM post-refresh MIUI, This may be due to a firmware bug, and check for updates regularly and install them, especially if you notice a network problem.

⚠️ Note: If after removing the tray you notice that the paper clip is stuck inside, do not try to pull it out yourself with tweezers or a magnet.

FAQ: Answers to Frequent Questions

Can I insert SIM-Map in Redmi Note 8 Pro without turning off the smartphone?
Turning off is recommended, but not necessary, and the main thing is not to remove the tray during an active call or data transmission to avoid failures.
What to do if the tray is for SIM-The cards are jammed and he's not moving?
If the paperclip doesn't work, try: Get a little hairdryer heat (don't overheat!) -- sometimes it helps when you get moisture; use a thicker paperclip or pin, but without fatal effort; go to the service -- self-attempts can make the problem worse. Don't use superglue or other aggressive methods -- it almost always causes breakage.
Does the Redmi Note 8 Pro eSIM support?
No, the Redmi Note 8 Pro does not support eSIM. This model only has physical nano-SIM cards. eSIM feature appeared later in flagship models (for example, Xiaomi 12).
Can I use it? SIM-card and microSD at the same time if you cut the tray?
Technically, some users modify the tray to insert two SIM + microSD, but it's a microSD: πŸ”§ Breaks the guarantee. πŸ’₯ It can cause damage to contacts. πŸ“΅ Often, it is the case that one of the SIM It's better to use cloud services (like Google Drive or Mi Cloud) to store files if two critically important things are: SIM.
How to check if the second one is working SIM-roaming-card?
In the settings SIM-maps (Settings) β†’ SIM-maps and mobile networks) you can: Enable roaming for the second SIM. You can manually select the network if the automatic search doesn't work. Check the balance and the rates with the operator, sometimes second. SIM is blocked in roaming. SIM does not catch the network, try to restart the smartphone or temporarily make it the main one.