How to put it right SIM-Map in Xiaomi Redmi 9: instructions with photos and tips

Xiaomi Redmi 9 remains one of the most popular budget devices even years after its release, its reliability and functionality have been appreciated by millions of users, but even with a simple task like installing a smartphone. SIM-And the questions that beginners often have are, where is the slot? What tool can I use to keep the case safe? Can I insert two? SIM-In this article, we'll look at all the nuances, from tool preparation to post-installing communication checks.

Many people mistakenly believe that the installation process SIM-The Redmi 9 has its own features: for example, a hybrid slot that supports either two nano-SIMs or one. SIM + MicroSD. If you've never encountered Xiaomi, you're at risk of damaging the tray or even the phone itself, and we're going to show you how to avoid the typical mistakes and do everything the first time.

Preparation: What will be needed for installation SIM-map

Before you start the installation, make sure you have everything you need. Without the right tools, you risk scratching the case or breaking the tray.

Here's the minimum set:

• 📱 Nano-SIM card (or two if you plan to use Dual) SIM). Note: Redmi 9 does not support micro-SIM or standard SIM SIM — nano-format!
• 🔧 A paper clip or a special key to retrieve the tray, and you'll have a plastic key with the phone, but you'll also get a straight clip.
• 📦 Phone packaging (optional, but there is a slot layout).
• 🔍 Good lighting – the tray is small and in the dark it is easy to make mistakes.

If you don't already have a nano-SIM, you can cut it free in the operator's cabin or order a new one. Don't try to cut an old SIM with scissors, it almost always ends in chip damage. It's better to spend 10 minutes driving to the salon than buying a new card later.

⚠️ Note: If you are using Redmi 9 with firmware for the Chinese market (for example, with a prefix). CN In the model, the slot can only support one SIM-Check the markings on the box or in the settings (Settings) → The phone. → Model).

Where is the slot for SIM-Maps in Xiaomi Redmi 9

Unlike some flagships, where the slot is hidden under a removable lid, in Redmi 9 it is located on the left end of the case. If you hold the phone with the screen to yourself, the slot will be on the left, about half the height.

To find him:

1. Turn the phone upside down.
2. Look at the left end, and you'll see a small hole with a metal rim.
3. Nearby may be an inscription SIM or a card icon.

If you're not sure you've found the right place, compare with the photo below (or watch the video at the end of the article).Don't confuse the SIM slot with the headphone jack or microphone - they're located at the bottom of the phone.

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

Now, to the most critical stage, follow the instructions carefully so that you don't break the locking mechanism of the tray.

Algorithm of action:

1. Turn off the phone.This is not necessary, but it is recommended to avoid accidental taps or failures when removing the tray.
2. Take a paper clip (or key from the kit) and insert it into the hole on the end of the phone. Press it all the way up, and it should come out with a slight click.
3. Once you click, the tray will push out a little bit. Pull it out with your fingers carefully. Don't use force -- if the tray doesn't go, check if you pressed the paperclip hard enough.
4. Place the tray on a flat surface and place it SIM-map(s) according to the markup: 📶 SIM 1 – main card (usually for mobile Internet). 📶 SIM 2 - Second card (if you use it). 💾 MicroSD - a slot for a memory card (replaces) SIM 2 if not used).

chip down

Carefully insert the tray back into the slot before the click. It should enter without effort.

If the tray is not fixed or comes back out, then, SIM-The card is set incorrectly. Don't push harder, pull out the tray and check the maps' position.

Phone's off.|SIM-map is trimmed to nano-format|The chip of the card looks down|The tray is inserted without distortion|No foreign objects in the slot-->

How do you put two in? SIM-card and memory card simultaneously

One of the key features of Xiaomi Redmi 9 is a hybrid slot that allows you to use:

• Two nano-SIM cards (SIM 1 + SIM 2)
• One nano-SIM + MicroSD (SIM 1 + MicroSD)

But not all three at once! That's the important point if you need two. SIM-The cards and the memory card, you have to choose one thing:

• 📱 Option 1: SIM 1 (main) + SIM 2 (extra) Memory card cannot be inserted.
• 💾 Option 2: SIM 1 (main) + MicroSD. Second. SIM doesn't work.

If you are critical to both SIM and memory, consider alternatives:

• Use cloud storage (Mi Cloud, Google Drive) instead of microSD.
• Buy it. OTG-USB adapter (but it is inconvenient for constant use).
• Transfer some of the data to SIM 2 if it supports memory (a rarity for Russian carriers).

⚠️ Note: If you insert a microSD into a slot SIM 2, and then try to insert there. SIM-The card, the phone may not recognize the memory card, or the second SIM. I'll have to reboot the device.

Common Mistakes and How to Avoid Them

Even with a simple task like installation. SIM-maps, users manage to make mistakes:

1.Mutin' the side. SIM-The chip should be turned downwards, and the beveled angle should match the angle on the tray.

2.Non-SIM is used. Redmi 9 does not support micro-SIM or standard SIM, even if they are cut by hand.

3. Use force when you install the tray. If the tray doesn't come in easily, there's something wrong. Don't push, check if the cards are correct.

4 They forget to turn off the phone. 99% of the time, it's not critical, but if you get a call or a notification when you take the tray out, you can crash.

5. Lose a paper clip or key. If you don't have a paper clip on hand, don't try to open the tray with a knife or a fork, so you scratch the case. SIM-Trays (costs 50-100 rubles).

💡

If the tray is stuck and doesn't come back, don't panic. Put the phone on a soft surface (like a towel), press the tray on the back of the case (where the camera is) and try to press the paperclip again. This usually helps.

How do you check that SIM-card installed correctly

After installing the tray, turn on the phone and perform several checks:

1. Check the network indicator. The antenna icon with the number of divisions (signal level) should appear in the top panel. If it is not, the SIM is not recognized.
2. Try making a call. Dial *100# or *111# (Balance service from your operator). If the call doesn't pass, check your network settings.
3. Make sure that the operator is identified. Go to Settings → SIM-Maps and mobile networks. It should show the name of your operator (for example, "MTS", "Beeline").
4. Check the mobile Internet. If you have a tariff with the Internet, turn on the data transfer and try to open the site.

If something's not working:

• 🔄 Restart your phone. Sometimes the system doesn't recognize a new one right away. SIM.
• 🔧 Check your network settings. Go to Settings. → SIM-maps and mobile networks → [yours SIM] → Network type and select 4G (recommended).
• 📞 Call the operator, maybe, SIM-The card is not activated or blocked.

⚠️ Attention: If after installation SIM-If you're not seeing the card, or vice versa, you're accidentally moving the tray when you insert it, pull it out and check if the cards are shifting.

💡

If Redmi 9 can't see SIM-The problem is 80 percent malfunctioning, only 20 percent malfunctioning, always check the mechanical part first!

What to do if the slot for SIM-card breaks

If after all the manipulations the tray is not fixed, SIM-The card doesn't recognize or the slot is hanging around, maybe it's damaged:

1. Check the tray for deformation. Sometimes the metallic tendrils that hold the map bend. Carefully try to straighten them with tweezers.

2. Check the contacts on the phone. Take a flashlight and shine it into the slot. If the contacts (metal stripes) are contaminated or oxidized, wipe them with a wipe or an alcohol wipe.

3. Try another tray. If you know anyone who's familiar with the Redmi 9 or similar model (Redmi 9A, Redmi 9C), try inserting their tray. If it works, your tray is faulty.

4. Contact the service center. If the slot is physically damaged (for example, a part of the case broke off), self-repair can aggravate the problem. In official Xiaomi services, the slot will be replaced for 500-1,500 rubles.

The cost of repairs in informal workshops may be lower, but there is a risk of running into poor-quality parts.

FAQ: Answers to Frequent Questions