How to insert it correctly SIM-map 9A: photo-instruction

Introduction

Smartphone Xiaomi Redmi 9A It's still one of the most popular budget devices even in 2026, and its reliability and simplicity are engaging users, but even with the simple act of installing it. SIM-cards, beginners have questions: Where is the slot? What is the size? SIM Why does the phone not see the card after installation?

In this article, we will analyze the step-by-step installation instructions SIM-maps 9A, Let's look at the typical mistakes and give you tips on how to choose the tariff for this smartphone, and if you just bought a phone, don't miss the section on the first setup of the network!

Let's just say: Redmi 9A Supports two nano-SIMs (or one) SIM + microSD), but the slot is hybrid, which means you can use either two at a time. SIM-card SIM + This is often forgotten, so we've highlighted a separate section with details.

What? SIM-card is suitable for Redmi 9A: sizes

Xiaomi Redmi 9A smartphone works exclusively with nano-SIM (4FF format, size 12.3 Γ— 8.8 mm). If you have an old micro-SIM or a standard SIM, it will have to be trimmed or replaced in the cabin of the operator. Many stores (for example, the Messenger or MTS) do this for free when buying a tariff.

Important: Redmi 9A does not support eSIM, only physical cards, and if your carrier only offers virtual SIM (for example, Tele2 for some tariffs), you will have to order a plastic one.

  • πŸ“± Nano-SIM (4FF) β€” The only format supported: 12.3 Γ— 8.8 Γ— 0.67 mm.
  • 🚫 Micro-SIM (3FF) β€” It's not good without pruning. You can adapt with an adapter, but you'd better replace it.
  • πŸ“Ά Standard. SIM (2FF) β€” It is installed only after pruning to nano-format.
  • πŸ”„ Hybrid slots – allows you to choose: either 2 SIM-card, or 1 SIM + microSD (up to 512 GB).

If you are not sure about the size of your SIM, compare it to the template below (you can print it in real size):

Type SIMSize (mm)Is it good for Redmi 9A?What if I had a different size?
Nano-SIM (4FF)12.3 Γ— 8.8 Γ— 0.67βœ… Yes.Install unchanged
Micro-SIM (3FF)15 Γ— 12 Γ— 0.76❌ No.Cut to nano or replace in the cabin
Standard SIM (2FF)25 Γ— 15 Γ— 0.76❌ No.Cut to nano or order a new one
eSIMVirtual❌ No.Order a physical nano-SIM

⚠️ Attention: If you are circumcised SIM use a special template and cut carefully - damage to the chip will lead to the inoperability of the card.

πŸ“Š What kind of operator do you use in Redmi? 9A?
MTS
Beeline
MegaFon
Tele2.
Yota
Other

Where is the slot for SIM-maps 9A: photo

At Xiaomi Redmi 9A slot SIM-The map is located on the left end of the case (if you look at the screen), it is easy to recognize from the small hole for the clip-extractor (it comes with the phone:

The design of the slot is retractable - the tray is removed completely, which makes it easier to install. On the tray itself there are tags for two nano-SIM or one SIM + microSD. Pay attention to the notch in the corner of the slot - it must match the notch on the tray, otherwise the card will not stand.

  • πŸ“ Left face - this is where the slot is located (not to be confused with the charging connector on the lower end!).
  • πŸ”§ Scrap-extractor - comes in the kit, but any thin metal wire will do.
  • πŸ”„ The tray - extends completely, do not need to press with force.
  • 🚫 Don’t confuse the slot with volume buttons (they are on the right) or a 3.5mm headphone jack (it’s on the top).

⚠️ Warning: If the slot doesn't open, don't use force, check if the connector is clogged with dust. Try blowing it out gently or using a toothpick to clean it.

πŸ’‘

If you have lost a clip-extractor, use an unbended stationery clip or a needle from a syringe (pre-disinfect with alcohol).

Step-by-step instruction: how to insert SIM-map 9A

Now, to the process itself, follow the instructions carefully so that you don't damage the tray or the tray itself. SIM-If you have two. SIM-Repeat the steps for each card.

  1. Turn off your phone. Although Redmi 9A supports hot SIM replacement (no shutdown), we recommend turning off the power, which will reduce the risk of failure when initializing the card.
  2. Find a slot and insert a paperclip. Put the extractor clip in the hole on the left end until you click a little. The tray will extend a few millimeters -- carefully pull it out completely.
  3. Put it down. SIM-You should be looking at the tags, the angle of the card should match the notch on the tray. 9A first SIM is set face up (contacts to the phone screen), the second face down.
  4. Put the tray back in. Make sure that SIM-The card doesn't protrude beyond the edges of the tray. Put the tray in smoothly, without skewing, until you click the right click.
  5. Turn on your phone and check the network. After you turn on, wait for the network icon (like 4G or LTE) to appear in the status bar. If there is no network, restart the phone.

If you set two SIM-cards, take note:

The first SIM (slot 1) supports 4G/LTE, the second (slot 2) only 3G (if both cards are active).

To use 4G on the second SIM, you need to select only 4G for it in the network settings, but then the first SIM will stop working.

Make sure the phone is turned off|Check the size SIM-maps (nano-SIM)|Clean the tray of dust|Combine the beveled corner of the card with a mark on the tray|Do not press on the tray during installation-->

Frequent errors in installation SIM-maps and how to avoid them

Even with this simple procedure, users are having problems. TOP-5 errors and ways of solving them:

  • πŸ”΄ The phone can't see. SIM-Reasons: wrong installation (inverted), contamination of contacts, inactive card at the operator. Solution: take out the card, wipe the contacts with a smoother, check activity at the operator (call on *111# for MTS, *100# for Beeline).
  • πŸ”΄ The tray doesn't fit in until the end: SIM-The card protrudes over the edges or is curved. Solution: take out the tray, check the position of the card, try inserting without SIM (If the tray enters - the problem in the map).
  • πŸ”΄ No network after installation. Causes: wrong settings APN, problem with the operator, incompatible tariff (for example, only for tablets). Solution: check the settings in Settings β†’ SIM-maps and mobile networks β†’ [choose SIM] β†’ Access points (APN).
  • πŸ”΄ The slot is jammed. The reason is dust or mechanical damage. Solution: don't try to pull the tray out by force, go to the service center.
  • πŸ”΄ Phone's asking. PUK-Reason: Incorrect three times. PIN-Code. Decision: PUK-code is shown on the plastic holder SIM-card or can be found from the operator (call from another phone).

If after all the manipulations SIM-If the card doesn't work, try inserting it into another phone, if it doesn't see it there, there's a problem with the card (possibly damaged chip.

What to do if the tray is broken for SIM-map?
If the tray is broken (for example, a latch broke), do not try to repair it yourself - this can damage the motherboard. Contact the Xiaomi service center or the phone repair shop. The cost of replacing the slot in 2026 is from 500 to 1500 rubles depending on the region. In some cases, masters can solder the slot from the donor board, but it is more expensive (2000-3,000 rubles). Temporary solution: if the tray falls out, you can fix it with tape (but this does not last long and can interfere with the installation of the card).

How to set up a network after installation SIM-maps 9A

After successful installation SIM-Redmi card 9A It usually connects automatically to the operator's network, but sometimes manual settings are required, especially if you use a non-standard tariff (for example, for the use of a mobile phone). M2M-devices) or switched from another operator.

Here's what we need to do:

  1. Check the network mode. Go to Settings. β†’ SIM-maps and mobile networks β†’ [choose SIM] β†’ Network type. Choose for maximum speed 4G (preferably, if 4G No catch, try it. 3G auto.
  2. Set up. APN (access point; most operators configure APN automatically, but if the internet is not working, add it manually: β†’ SIM-maps and mobile networks β†’ [choose SIM] β†’ Access points (APN) β†’ Add APN Options for popular operators: Operator Name APN APN Username Password MTS mts internet.mts.ru mts mts Beeline beeline internet.beeline.ru beeline beeline MegaFon MegaFon internet gdata gdata Tele2 tele2 internet internet.tele2.ru (leave empty (leave empty)
  3. Activate data transfer. Go to Settings. β†’ SIM-maps and mobile networks β†’ Transfer data and select the desired SIM. Also check if mobile internet is enabled in the Quick Settings Panel (swipe down from the top edge of the screen).
  4. Check roaming (if necessary). If you are traveling, enable data roaming in the settings SIM-But remember, roaming charges not only the Internet, but also incoming calls (some operators have a lot of them).

Important: If the Internet doesn't work after setting up the APN, restart the phone. Sometimes the changes only apply after the reboot.

πŸ’‘

If after all the settings the Internet does not work, check the balance on the account - some operators block access with zero or negative balance, even if you have unlimited rates.

Can we use two? SIM-card and memory card simultaneously?

No, in the Xiaomi Redmi 9A, hybrid slot means you can only choose one of two options:

  • πŸ“± Two nano-SIMs without a memory card.
  • πŸ“± One nano-SIM + microSD without a second microSD SIM.

This is a limitation of the smartphone architecture. If you need two SIMs and a memory card, consider models with a separate microSD slot, for example:

- Redmi Note 10,

- POCO X3 Pro,

Redmi 10A (it has a separate slot for microSD).

If you’re critical to using two SIMs and memory, there are workarounds:

1. Cloud storage (Google Drive, Yandex.Disk) - transfer photos and documents there.

2. OTG-Adapter – connect the flash drive through USB-C (But it's inconvenient for permanent use).

3. Replace the SIM with eSIM – but Redmi 9A doesn’t support eSIM, so this option is not suitable.

⚠️ Note: If you switch between the two often SIM And with a memory card, don't take the tray off when the phone is on, because it can cause the communication module to malfunction. 9A beforehand.

FAQ: Answers to Frequent Questions about SIM-maps 9A

πŸ”Ή Can I insert a microSD into the slot for the second? SIM?
No, slot for second. SIM It's only designed for nano-SIM. For microSD, you need to use the first slot (hybrid), but then you have to sacrifice one of the slots. SIM-map.
πŸ”Ή Why the phone doesn’t see the second one SIM-map?
Possible reasons: Inactive card (check with the operator); Incorrectly installed (turn over and re-insert); Slot damaged (try inserting the card into the first slot); Conflict with the first SIM (try disabling the first SIM in the settings); If nothing helps, contact the service center.
πŸ”Ή What? PIN-default SIM-map?
Standard. PIN-codes: MTS: 0000 or 1234. Beeline: 9999 or 1234. MegaFon: 0000 or 1111. Tele2: 1234 or 0000. PIN blocked, will be required PUK-code (indicated on the plastic holder) SIM or check with the operator).
πŸ”Ή Can I use it? SIM-tablet map in Redmi 9A?
Yes, but there are nuances: If the SIM from a tablet with only the Internet (without a number), calls and SMS will not work. Some operators block the use of tablet SIM in smartphones (for example, MegaFon can limit speed).
πŸ”Ή What to do if SIM-card stuck in the slot?
Don't try to pull it out with tweezers or a knife, it will damage your contacts. Follow the instructions: Turn off your phone. Try to tamper with a card with a plastic card (like a bank card) gently. If it doesn't work, go to a service center. Self-attempts can lead to fragments of the card entering the slot.