How to insert a flash drive into the phone Xiaomi Redmi Note 7: all ways + error solving

Xiaomi Redmi Note 7 is still one of the most popular budget smartphones due to balanced performance and reliability, but many users face the problem of lack of internal memory โ€“ especially if the model is 32 or 64 GB. I'm going to put an external flash drive on, but how do you do it right if you don't have a standard phone? USB-storage-port?

In this article, you will find step-by-step instructions for all possible ways to connect a flash drive to the Redmi Note 7 โ€“ from selecting an adapter to setting up. OTG-function MIUI. We will also take a look at common errors (such as when your phone canโ€™t see the drive) and give you security tips. If you want to transfer movies, music or backups to an external medium, read on.

1. What flash drives supports Xiaomi Redmi Note 7

Before you buy an adapter or drive, make sure your flash drive is compatible with your phone.The Redmi Note 7 works with external devices via USB OTG (On-The-Go), but there are limitations:

  • ๐Ÿ”น File system format: FAT32 (up to 32 GB), exFAT (over 32 GB), NTFS (requires manual adjustment). MIUI By default, it recognizes best. FAT32 exFAT.
  • ๐Ÿ”น The volume of the drive: up to 2 TB (theoretically), but in practice, sticks up to 512 GB are stable. For models with 32 GB of memory, 64-128 GB is optimal.
  • ๐Ÿ”น Type of connection: only through USB Type-C (Redmi Note 7 has a Micro-USB connector, so you need an adapter).
  • ๐Ÿ”น Read/write speed: USB 2.0 (up to 480 Mbps) flash drives with USB 3.0 will work, but without speed gain.

โš ๏ธ Note: Some cheap flash drives (especially without a brand) may not be identified due to the poor quality of the controller.Recommended models: SanDisk Ultra, Kingston DataTraveler, Samsung Fit Plus.

๐Ÿ“Š How much flash drive do you plan to use with your phone?
Up to 32GB.
32โ€“128 GB
128โ€“512 GB
More than 512 GB

2.What you need to connect: full list

To connect the flash drive to the Redmi Note 7, you will need:

ComponentRequirementsExamples
OTG adapterMicro-USB โ†’ USB-A (female)Baseus OTG, UGREEN Micro-USB OTG
Flash drive.USB-A, FAT32/exFAT, up to 2 TBSanDisk Ultra 128GB, Kingston DTSE9 64GB
Cable (optional)USB-A โ†’ USB-C (if the flash drive is Type-C)Any certified cable
Power supply (optional)Power Bank or 5V/2A ChargeAny power supply with output 2A

๐Ÿ’ก Tip: If you plan to use a flash drive often, buy an adapter with a built-in charging connector (for example, Baseus). 2-in-1 OTG). This will allow you to simultaneously connect the drive and charge the phone.

๐Ÿ’ก

Before buying an adapter, check it for metal shielding โ€“ this reduces the risk of interference with data transmission.

3. Step-by-step instruction: how to connect a flash drive

Now, let's get to the practice. Follow this instruction to avoid mistakes.

  1. Turn on OTG in settings: Go to Settings โ†’ Connection and Sharing โ†’ USB OTG and activate the slider. If you donโ€™t, skip this step (newer versions of MIUI OTG turn on automatically).
  2. Connect the adapter: Insert OTG-adapter in the micro-USB port of the phone, and the flash drive in USB-Adapter connector. Do this carefully so you don't damage the connector.
  3. Wait for identification: In 2-5 seconds, a notification will appear "USB-The drive is connected. Click on it to open the files.
  4. Use standard MIUI Explorer or install Solid Explorer/FX File Manager for advanced features (e.g. copying at speeds above 10MB/s).

The flash drive is formatted in FAT32/exFAT|

OTG adapter is functional (check on another device)|

The phone has enough charge (minimum 20%) |

Disabled. VPN and energy-saving regimes-->

โš ๏ธ If after connecting the phone begins to discharge quickly - this is normal: OTG When you're actively transmitting data (like copying a 10GB movie), the charge can drop by 1% per minute. Connect your phone to charge if you plan to work with the flash drive for a long time.

4.Why the phone can't see the flash drive: 7 reasons and solutions

If nothing happens after the connection or an error appears, check these points:

  • ๐Ÿ”Œ Faulty Adapter: Try another one OTG-Cheap adapters often break down after 2-3 months of use.
  • ๐Ÿ“› Incompatible file system: Reformat the flash drive to FAT32 via computer (use the utility) HP USB Disk Storage Format Tool).
  • ๐Ÿ”‹ Lack of power: Connect your phone to charge or use OTG-externally powered adapter (e.g. Baseus Power) OTG).
  • ๐Ÿ“ฑ Outdated firmware: Update MIUI Up to the latest version in Settings โ†’ The phone. โ†’ Updating the system.
  • ๐Ÿ›ก๏ธ Antivirus Block: Temporarily disable Mi Security or add a flash drive in exceptions.
  • ๐Ÿ”„ Conflict with other devices: Turn off everything USB-devices (for example, wireless headphones in data transfer mode).
  • ๐Ÿ”ง Hardware malfunction: If nothing helps, check the Micro-USB port for damage (e.g., bent contacts).
How to check the OTG adapter without a flash drive
Connect the mouse or keyboard to the adapter USB-If the device works, the adapter is in good working order. If it doesn't, replace it.

5. How to transfer files from your phone to the flash drive (and back)

Once you've successfully connected, you can start sharing data. Here are 3 ways to move files:

Method 1: Through a standard MIUI conductor

  1. Open the notification "USB-Drive connected or run the Files application.
  2. Go to section. USB-storage device (usually displayed as USB storage).
  3. Press. โ‹ฎ โ†’ Copy, select files, and specify the destination folder (e.g., Internal Memory) โ†’ Download).

Install Solid Explorer or FX File Manager from Google Play. These apps support:

  • ๐Ÿ“‚ Packet Copying (up to 100 files at a time).
  • โšก Accelerated transmission (up to 20 MB/s on Redmi Note 7).
  • ๐Ÿ” Search for the contents of the flash drive.

Method 3: Through a computer (for large volumes)

If you need to move tens of gigabytes (like a backup), connect your phone and flash drive to your PC:

  1. Turn on File Transfer Mode (MTP) in the USB notification.
  2. Copy files from your phone to your computer and then to your flash drive (or vice versa).

๐Ÿ’ก

For transferring files larger than 4GB, be sure to use the exFAT file system. FAT32 does not support files larger than 4GB.

6.Security: How not to lose data on the flash drive

Working with external drives is always fraught with risks. Follow these rules to avoid data loss:

  • ๐Ÿ”’ Safe extraction: Press before disabling the flash drive โ‹ฎ โ†’ Remove in the notification or in the Explorer. Don't pull the adapter out hot"!
  • ๐Ÿ“ฆ Backup: Store important files in two copies (for example, on a USB drive and in Google Drive).
  • ๐Ÿ›ก๏ธ Virus protection: Before first using, scan the flash drive with an antivirus (e.g. Malwarebytes).
  • ๐Ÿ”„ Regular check: Format the flash drive every 3 months (save data!) to prevent file system errors.

โš ๏ธ Note: If the flash drive was used on public computers (e.g. Internet cafes), never connect it directly to your phone without first checking. Android viruses can disguise themselves as harmless files (e.g.,.apk in a folder). DCIM).

7. Alternatives to flash drives: what else can you connect to the Redmi Note 7

If OTG-Adapter seems uncomfortable, consider other ways to expand memory:

The devicePlusesCons
Outside SSD-accumulatorHigh speed (up to 500 MB / s), high volume (up to 2 TB)Expensive, requires OTG powered
MicroSD Memory CardNo need for an adapter, cheap solutionRedmi Note 7 does not support microSD (hybrid slot only in the Pro version)
Wireless drive (Wi-Fi flash drive)No wires, access from multiple devicesSlow speed (up to 5 MB/s), depends on the network
Cloud storageAccess from anywhere in the world, automatic backupRequires Internet, paid tariffs for large volumes

๐Ÿ’ก Tip: If you need to transfer files frequently between your phone and computer, consider buying a network drive (NAS) supportive SMB. Xiaomi Mi WiFi Router 4 can work as a file server.

Frequent Questions (FAQ)

Can I connect a hard drive (HDD/SSD) to the Redmi Note 7?
Yes, but with reservations: HDD It requires additional food (use). OTG-charger). SSD It is connected directly, but the speed is limited. USB 2.0 (up to 40 MB/s) Format the disk in exFAT for compatibility.
Why is the flash drive slow? How do you speed up the transmission?
Reasons for low speed: Uses a cheap flash drive with low write speed (e.g. Class 4). The phone copies files and performs other tasks simultaneously (close background applications); FAT32 file system is slower than exFAT when working with large files. Solution: Reformat the flash drive to exFAT and use Solid Explorer instead of the standard Explorer.
Can I use a flash drive as an internal memory?
Technically, but not recommended: MIUI is not optimized for Adoptable Storage (the function is unstable). Once formatted, the flash drive will not be used on other devices. Applications with external memory will be slower. Better use the flash drive to store media files rather than install applications.
Which OTG adapter is better for Redmi Note 7?
Recommended models (tested for compatibility): Baseus Micro-USB OTG โ€” reliable, with shielding. UGREEN 20539 โ€” supports charging in parallel with OTG. Xiaomi OTG Adapter โ€” original, but difficult to find on sale. Avoid adapters without a brand โ€” they often cause errors "Device not recognized."
Can I connect a Type-C flash drive to the Redmi Note 7?
Yes, but you'll need a dual adapter: First adapter: Micro-USB โ†’ USB-A (OTG); Second adapter: USB-A โ†’ USB-C (for a Type-C flash drive); or buy a USB-A flash drive, which is easier and cheaper.