How do you put it in? SIM-Memory card and memory card in Xiaomi Redmi 9A: photo-instruction

Why SIM and MicroSD are So Important in Redmi 9A

Smartphone Xiaomi Redmi 9A It's one of the most popular budget devices, because it's price-performance, but even a simple operation like installation. SIM-MicroSD cards or memory cards can be difficult for beginners, and improper installation often causes the phone to fail to see the SIM, fail to recognize the memory card, or even stop turning on.

In this article, we will not only discuss the basic installation instructions, but also common mistakes that users make. For example, many people do not know that Redmi 9A supports only nano-SIM (not micro or standard), and memory cards are formatted in FAT32 by default, which limits the maximum file size to 4 GB. You will also learn how to avoid damaging the slot contacts and what to do if the phone does not see the second SIM after installation.

We’ll pay special attention to memory card compatibility: not all microSDs work equally well with the Redmi 9A. We tested several models and made a table of recommended options, taking into account read/write speed and reliability.

What are they? SIM-Memory cards and cards are suitable for Redmi 9A

Before you start installing, make sure you have the right components. Xiaomi Redmi 9A supports:

• 📱 Two nano-SIM (format) 4FF, size 12.3×8.8 mm – standard or micro-SIM will not work.
• 💾 One microSD card (up to 512 GB) in a hybrid slot (instead of the second one) SIM).
• ⚡ MicroSDXC (exFAT) support for cards larger than 32GB, but the default phone formats in the same format. FAT32.

Important: If you plan to use two SIM-The card, the memory card can't be installed, the slot is hybrid, or the second one is prioritized. SIM, microSD.

⚠️ Note: If you insert a memory card larger than 32 GB formatted into FAT32 On a PC, your phone may not see it. Use the built-in formatting in Redmi. 9A or special utilities like guiformat to create FAT32 large-scale.

Step-by-step: how to open the tray for SIM in Redmi 9A

Tray for SIM-map 9A It's on the left side of the device, and you'll need a paper clip or a special key to extract it (complete with your phone:

1. 🔌 Turn off the phone (recommended, but not required) This will prevent accidental damage to the contacts during installation.
2. 📍 Find the hole to extract the tray on the left end of the smartphone (near the volume buttons).
3. 🔑 Put the paper clip in the hole and press until you click a little. The tray should extend 1-2 mm.
4. ✋ Carefully pull the tray by the edges without touching metal contacts.

If the tray is not extended:

• 🔧 Check if the tongue is bent – it should be straight.
• 🔄 Try to press from different angles (sometimes the hole is slightly offset).
• 🚫 Do not use excessive force – it can break the fixing mechanism.

⚠️ Note: If the tray is jammed and it does not retract even after several attempts, do not try to pull it out with pliers or other tools. 9A the tray is attached to the board, and careless actions can tear off contacts.

How to properly install SIM-memory-card

The Redmi 9A has two positions:

• 📱 Top slot for the first nano-SIM (main sim).
• 📱💾 Lower slot – for the second nano-SIM or microSD (hybrid).

Installation instructions:

1. 📄 Place the tray on a flat surface with contacts upwards.
2. 📱 Install the first nano-SIM in the top slot (skip to tray corner).
3. 📱💾 Choose what you need: 📱 Second second SIM — Then put it in the lower slot (similar to the first one). 💾 Memory card – insert microSD into the bottom slot with gold contacts down.

click

A critical nuance: if you install a memory card, make sure it doesn't protrude beyond the edges of the tray. In Redmi 9A, the tray locker may not work if the microSD is set curved and the tray will fall out the first time you press the case.

💡

If the phone doesn't see the memory card, remove it, blow the slot a little (like a spray of compressed air) and insert it again, often the problem is dust or fat on the contacts.

What to do if Redmi 9A see SIM-card

If the phone does not recognize the SIM or memory card after installation, follow the following steps:

For SIM-map:

• 🔄 Restart your phone – sometimes the system won’t immediately recognize a new one. SIM.
• 📶 Check if the flight mode is enabled (Settings) → SIM-maps and mobile networks).
• 🔧 Go to Settings. → SIM-maps and mobile networks → Name. SIM-maps and manually select the operator.
• 🔄🔄 If SIM It's not defined at all, try inserting it into another phone - maybe the problem is with the SIM, not the Redmi. 9A.

For the memory card:

• 🔄 Remove and repaint the microSD – sometimes the contacts don’t touch tightly.
• 📁 Check if the card is formatted in FAT32 or exFAT (in) NTFS The phone won't see her).
• 🔧 Go to Settings. → Warehouse → Memory card and click "Format" (all data will be deleted!).
• 🛠️ If the card is determined but the files are not readable, check it for the bad sector using the program. H2testw (Windows or F3 (Linux/macOS).

⚠️ Attention: If Redmi 9A writer «SD-The card is corrupted" on each connection, do not format it again - this is a sign of physical wear. Such cards often "die" after a few months, losing data. EVO Plus).

How to transfer data to a memory card in Redmi 9A

Once you have a microSD, you have to configure it as your primary storage for photos, videos and apps.

1. 📁 Open the Settings. → Warehouse.
2. 💾 Click on Memory Map and select Format as internal storage (if you want to use it for applications) or Portable storage (file only).
3. 🔄 After formatting, go to Settings → Annexes → [Select the application] → Warehouse → Change. → Memory map.
4. 📸 For photos and videos, open the camera, click on ⚙️ Settings → Warehouse → Memory map.

Not all applications can be migrated to microSD. System utilities and some games (such as PUBG Mobile or Genshin Impact) require internal memory to work properly.

💡

Formatting a microSD as an internal storage device speeds up applications, but makes it tethered to a phone, and once removed, the card cannot be read on a PC without additional software.

Recommended Memory Cards for Redmi 9A

Not all microSDs are equally good. For the Redmi 9A, we recommend cards with the following characteristics:

• 🔠 Speed class: not lower than Class 10 (or UHS-I U1 video).
• 📦 Volume: 64-128 GB (optimal for price / volume).
• 🏷️ Brand: SanDisk Ultra, Samsung EVO Plus, Kingston Canvas Go!.
• 🛡️ Protection: from water, shocks and x-rays (if you fly frequently).

Avoid no-name cards from Chinese stores — they often have understated real capacity and fail after a few months. For example, a 128GB card can be overstretched 16GB, which will lead to data loss.

Comparison of popular models:

💡

Before buying, check the card for authenticity using h2testw (Windows) or F3 (macOS/Linux) utility.

FAQ: Frequent questions on SIM and microSD in Redmi. 9A