How do you put it in? SIM-Map in Xiaomi Redmi 10: instructions with photos, videos and life hacks

Why the Right Installation SIM-Redmi 10 maps are so important?

Xiaomi Redmi 10 remains one of the most popular budget phones even in 2026 โ€” it is bought for reliability, good camera and long support for updates. But many users face the first problem during the setup stage: the phone does not see the network, although the SIM card is good. 90% of the time, the reason lies in the wrong installation of SIM in the tray or damage contacts when forced insert.

This article will not just show you where and which side to insert the SIM, but we will look at everything from choosing the nano-SIM format to diagnosing network problems after installation, and you will also learn how to get around the typical error with a jammed tray in Redmi 10, which arises from the design of the smartphone. All the instructions are relevant for the Redmi 10 (2021), Redmi 10 Prime and Redmi 10 2022 models โ€“ the differences in slots are minimal.

Before you start, check:

  • ๐Ÿ“ฑ You have a key to retrieve the tray (goes complete with your phone or is replaced with a paper clip)
  • ๐Ÿ“ถ SIM-The card is trimmed to nano-SIM format (12.3 ร— 8.8 mm) - other formats will not work
  • ๐Ÿ”‹ Phone is off (not necessary, but recommended for safety)

What? SIM-The card is supported by Xiaomi Redmi 10?

All Redmi 10 versions come with a hybrid slot for two nano-SIMs or one nano-SIM + microSD card (up to 512GB).

  • ๐Ÿ“ž Use two SIM cards at the same time (Dual) SIM, waiting-out)
  • ๐Ÿ’พ Replace the second SIM with a microSD to expand memory
  • โš ๏ธ But not at the same time, SIM. + flash drive -- you'll have to choose!

Important: Redmi 10 supports 4G LTE networks (including VoLTE for Internet calls), but not 5G - this is the hardware limit of the model. If you need support for fifth networks, look for the Redmi Note 11 Pro 5G or later.

Slot typeSupported formatsMax, the volume of microSDSupport for eSIM
Slot 1nano-SIM (4FF)โ€”โŒ No.
Slot 2 (hybrid)nano-SIM or microSD512GBโŒ No.
eSIMโ€”โ€”โŒ No, only physical. SIM)

โš ๏ธ Note: If you plan to use microSD, buy class cards A1/A2 (For example, SanDisk Ultra or Samsung. EVO Cheap flash drives without labeling can slow down the phone and cause recording errors.

๐Ÿ“Š What format? SIM-You are using the cards in Redmi 10?
Just one nano-SIM.
Two nano-SIMs
One nano-SIM + microSD
I haven't installed it yet.

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

The process of installing a SIM card takes less than a minute, if you know the sequence. Follow this algorithm to avoid jamming the tray or damaging the contacts:

  1. Turn off the phone (optional, but recommended for safety) If the phone is on, put it in flight mode (Settings) โ†’ SIM-maps and mobile networks โ†’ Flight mode).
  2. Find a SIM slot: on Redmi 10, it's on the left end (if you look at the screen) Look for a small hole with a metal rim.
  3. Remove the tray: Insert the key from the kit (or unbended clip) into the hole before the click. The tray will extend automatically - don't pull it by force! If the tray doesn't come out, try pressing deeper or swaying the key slightly (see "What to do if the tray is jammed").

Install. SIM-map)

  • ๐Ÿ”น Check that there is a slice of the corner on the SIM - it should match the shape of the slot.
  • ๐Ÿ”น Contacts (the golden part) should be face down.
  • ๐Ÿ”น For two SIM cards: in slot 1 - the main SIM, in slot 2 - an additional (or microSD).
  • Insert the tray back before you click. Make sure it sits flat - skews can damage the contacts.
  • Turn on the phone and wait for the network to activate (it can take up to 2 minutes).

SIM card trimmed to nano-SIM (12.3ร—8.8 mm)

The slice of the corner of the SIM coincides with the shape of the slot

SIMKA's contacts look down

The tray is inserted smoothly, without distortion

The phone recognizes the network within 2 minutes.

-->

Scheme: correct position of nano-SIM in the tray Xiaomi Redmi 10. Pay attention to the direction of the cut corner.

๐Ÿ’ก

If you have an old micro-SIM, do not cut it with scissors - it is better to ask the operator in the cabin to replace it with a nano-SIM for free. Homemade pruning often leads to chip damage and loss of communication.

What to do if the tray SIM-card jammed?

One of the most common problems with Redmi 10 is a jammed tray.

  • ๐Ÿ”ง Skewing during installation (tray inserted curved and rested on the body)
  • ๐Ÿ’ฆ Dust/mud entering the mechanism
  • ๐Ÿ‘ถ Too much pressure when extracted (bent metal tongue)

If the tray doesn't come out after you press the key, try these methods (from the safest to the radical):

  1. Repeat the press with force: Push the key deeper and press with force 2-3 times in a row. Try to slightly shake the key left-right when pressed.
  2. Use alternative tools: ๐Ÿ“Ž Expanded paperclip (thickness 0.5-0.7 mm). ๐Ÿ”ฉ Needle from the sewing machine (if there is no paper clip at hand). โš ๏ธ Do not use toothpicks or matches โ€“ they are too fragile and can break inside.

Heat the case.

  • Heat the slot area with a hairdryer (temperature 50โ€“60ยฐC) for 1-2 minutes.
  • Immediately after heating, try to remove the tray - the plastic will become softer.
  • Disassemble the phone (extreme case!): How to disassemble Redmi 10 to extract the tray Turn off the phone and remove the back cover (requires a suction cup and a plastic spatula). Unscrew 10 screws around the perimeter (needs a screwdriver). T3). Carefully tuck the metal screen and remove it, and underneath it will be access to the tray mechanism. Remove the tray with tweezers, check the integrity of the spring. โš ๏ธ If you're in a safe house, you can call the service center.

Can you use a microSD with two? SIM-map?

No, it's not possible because of the hybrid design of the slot. Redmi 10 has a "2 SIM or 1 SIM + microSD" circuit. If you need two SIM cards and additional memory, consider these options:

  • ๐Ÿ”„ Use Google Drive, Mi Cloud, Yandex Disk for photos and documents.
  • ๐Ÿ“ Move apps to microSD (if installed instead of the second SIM): Go to Settings โ†’ Annexes โ†’ Select the application โ†’ Warehouse โ†’ Change. โ†’ Memory card. Please note that not all applications support portability.
  • ๐Ÿ“ฑ Buy it. OTG-adapter USB (But it's inconvenient for permanent use).