Xiaomi Redmi 9A is one of the most popular budget smartphones, but its owners often face the problem of lack of internal memory. The solution is simple: install a microSD card, but where exactly is the slot for it? In this article, we will analyze the exact location of the slot, the nuances of installation and typical errors that can lead to damage to the card or smartphone.
The Redmi 9A design is different from Xiaomiβs flagship models β there is no retractable SIM card tray, and the microSD slot is hidden under the back cover. This causes confusion among users accustomed to classic solutions. We will show you how to safely reach the slot without damaging the mounts, and which memory cards are better for this model.
Xiaomi Redmi 9A: Where to look for a memory card slot?
The Redmi 9A is a low-end device, so the manufacturer has saved on a removable SIM card tray, and unlike the Redmi Note 9 or POCO X3, where the microSD slot is combined with SIM cards, it's located separately here, under a non-removable back cover, which means that you have to install the memory card:
- π§ Carefully remove the back panel (it is attached to latches and glue).
- π± Find a microSD slot next to the battery.
- π Install the card in a special connector (not to be confused with the connector for the SIM!).
Important: Redmi 9A supports memory cards up to 512 GB, but only microSDXC (for cards over 32 GB).If you use a microSDHC card (up to 32 GB), it will also work, but more capacious options will give you more free space for applications and media files.
Step-by-step: how to get to the slot for SD-map
Before removing the back cover, prepare the tools:
- π¨ Plastic blade or mediator (metal tools can scratch the body).
- π§² Magnetic screwdriver (for unscrewing screws, if any).
- π¦ New lid latches (in case the old ones break).
Now we're going to disassemble:
- Turn off your smartphone and remove it. SIM-map (if installed).
- Place the Redmi 9A screen down on a soft surface (like a towel).
- Carefully insert the blade into the gap between the back cover and the body (start with the lower right corner where there are no buttons).
- Smoothly drive along the edge with a spatula, snapping the mounts. Don't put too much effort into it, the lid should come off without creaking!
- When you remove the lid, you'll see the battery, and the microSD slot is on the right of it (when you look down on the smartphone).
Compatibility of the card (microSDXC/microSDHC format)
No damage to the slot contacts
Correct orientation of the map (the skeet must match the connector)
Rear cover fixing (all latches in place)-->
Attention: Redmi 9A MicroSD slots are not compatible with SIM-Don't try to put the memory card in the tray for SIM β This will lead to a jamming of the mechanism.
Photo of the slot for SD-card in Redmi 9A: how it looks
In order not to confuse the microSD connector with other elements of the board, focus on these visual signs:
- πΈ The slot is located next to the battery, closer to the upper edge of the board.
- π It is a small white or black connector with metal contacts and a plastic guide.
- π There may be a marking on the board next to it. SD or TF (microSD).
Below is a description of the appearance (as we canβt insert real photos into text format):
| Element | Description | Colour |
|---|---|---|
| MicroSD slot | Rectangular connector with a plastic frame, into which the card is inserted with a bevel upwards | White or black |
| Battery | Large rectangular block with wire going to the motherboard | Black/grey |
| Tray SIM-map | Small plastic tray with a metal tongue (located on the side of the body) | Gold/silver |
| Cover latches. | Plastic protrusions around the perimeter of the body (10-12 pieces) | Black or transparent |
What to do if there is no microSD slot?
What microSD cards are compatible with Xiaomi Redmi 9A
Redmi 9A supports microSD memory cards, but there are some nuances:
- πΎ Maximum volume: 512 GB (tested on firmware) MIUI 12β14).
- β‘ Speed class: recommended UHS-I (U1/U3) class 10 videotape 1080p.
- π File system format: for maps >32 GB used exFAT, up to 32 GB β FAT32.
Best options for the ratio of price / quality (for 2026):
| Model map | Volume. | Class speed | Approximate price |
|---|---|---|---|
| SanDisk Ultra microSDXC | 128GB | A1, U1 | ~1 200 β½ |
| Samsung EVO Plus | 256GB | A2, U3 | ~2 500 β½ |
| Kingston Canvas Go! Plus | 512GB | A2, U3 | ~4 000 β½ |
π‘
Before buying a card, check it for authenticity with H2testw (for Windows) or FakeFlashTest (for Android). Fake microSDs often have a low write speed and can "reset" data.
Typical errors in installation SD-maps 9A
Even experienced users sometimes make mistakes that lead to card failure or smartphone damage.
β οΈ Warning: If the microSD device doesn't see the card after installing it, don't try to extract it by force! First, restart the device and check the contacts for contamination (you can gently wipe with alcohol).
- π Misdirectional map orientation: microSD bevel must match the guide in the slot. Forced "upside down" can bend the contacts.
- π Trying to insert a card when your smartphone is on: this can cause your file system to crash. Always turn off Redmi 9A before manipulation!
- π οΈ Use of metal tools: scratches on the board can cause short circuit. Use only plastic blades.
- π± Low-covered back cover: if latches are not fixed, dust and moisture can get inside the housing.
How to transfer data to SD-map
After successful installation of microSD, you need to configure its use correctly:
- Turn on your smartphone and wait for the identification of the card (notification will appear in the curtain).
- Go to Settings. β Memory and select. SD-map.
- Click Format as internal memory (if you want to use the card for applications) or Portable storage (for media files).
- To transfer data, use the File Manager (built-in or Mi File Manager).
To automatically save photos and videos to the map:
- Open the Camera app.
- Go to Settings β Save Place.
- Choose. SD-map.
π‘
If you use the card as internal memory, do not remove it without first "mounting" in the settings! this can lead to data loss and system failure.
What to do if Redmi 9A see SD-map
If your smartphone does not recognize the installed card, follow these steps:
- π Restart the device β sometimes the system doesnβt immediately identify new hardware.
- π§Ή Clean the card and slot contacts with dry soft cloth (do not use liquids!).
- π± Check the card on another device β if it doesnβt work there, the problem is with the microSD itself.
- π οΈ Update the firmware - in older versions MIUI There may be bugs with support for large-volume cards.
If the card is defined but not formatted:
β οΈ Note: Do not format microSD in the NTFS or ext4 β Redmi 9A It doesn't support these file systems. FAT32 (up to 32 GB) or exFAT (over 32 GB).
For formatting via PC:
- Connect the card to the computer through the card reader.
- Open Disk Management (Win + X β Disk Management).
- Find your microSD, right-click and select Format.
- Select the exFAT file system and press OK.