Xiaomi Redmi 7 is equipped with only 32 or 64 GB of internal memory, and over time even this volume becomes small. USB-OTG Or wireless protocols allow you to expand storage without buying a new device, but not all users know that it requires not only an adapter, but also the right settings in the storage system. MIUI β Xiaomi.
In this article, we will analyze all the current ways to connect a flash drive to Redmi 7: from the classic OTG-We will focus on common errors (for example, when a smartphone does not see the drive) and limitations of file system formats. You will also learn how to transfer applications to a flash drive and which adapters are better to choose for stable operation.
Important: Redmi 7 supports OTG Β«out of the box, but in some of the firmware MIUI This is the default feature. If you haven't used external drives before, check the settings in the Additional section first. β Functions OTG. Now let's move on to specific methods.
1. Connecting the flash drive through OTG-cable: step-by-step instruction
The fastest and most reliable way to use USB-OTG The Xiaomi Redmi 7 supports this technology, but there are nuances with power and file system formats:
- π OTG-Micro-USB cable (for Redmi 7) or USB-C (if you use an adapter).
- πΎ A flash drive. FAT32, exFAT or NTFS (qualifyingly).
- π Charger (optional if the flash drive requires additional power).
Follow the instructions:
- Connect. OTG-If you get a notification, "Connected." USB-device" OTG active.
- Put the flash drive in the adapter. There's an icon on the screen. USB status-line.
- Open the Files app (or any file manager, such as Solid Explorer) and a new drive will appear in the Device section (usually USB-accumulator).
- If the flash drive does not appear, go to Settings β Connected devices β USB and select the File Transfer Mode (MTP).
Support OTG customized MIUI|Compatibility of the file system of the flash drive|Correction OTG-cable|Charging the battery of the smartphone (minimum 30%)-->
Critical feature of Redmi 7: The smartphone does not support flash drives larger than 256 GB FAT32 constraint MIUI 10/11. For more storage 64 GB is recommended to use exFAT.
β οΈ Note: If the flash drive flashes after connecting, but is not detected, try formatting it on your PC in exFAT. Redmi 7 may not recognize it. NTFS rootless.
2. Wireless USB connection: Wi-Fi and cloud services
If you don't. OTG-And if you have a cable or a flash drive that's not compatible with Redmi 7, you can use wireless methods, and it's slower, but it's universal -- it works even with flash drives that can't be read through the flash drive. USB.
Wireless connectivity options:
- πΆ Wi-Fi flash drive (such as SanDisk Connect or Kingston Wi-Drive) creates its own network to which the smartphone connects.
- βοΈ Cloud services (Google Drive, Mi Cloud, Yandex Disk) upload files from a flash drive to your PC and then download them to your phone.
- π FTP-server through applications such as ES Conductor (if the flash drive is connected to another device on the network).
Instructions for Wi-Fi flash drive:
- Turn on the flash drive (usually there is a power button).
- On Redmi 7, open Settings β Wi-Fi and connect to the USB flash drive network (type name SanDisk-XXXXX).
- Launch your browser and enter the address specified in the instructions for the flash drive (usually 192.168.1.1 or sandisk.local).
- Download the necessary files or view them through the web interface.
For cloud services:
- Connect the flash drive to your computer and upload files to Google Drive or Mi Cloud.
- On your smartphone, open the cloud service application and download files to the deviceβs memory.
Through OTG-cable|Wi-Fi flash drive|Cloud services|FTP/locale|Not plugged in.-->
β οΈ Warning: When using Wi-Fi, the Redmi 7 flash drive can quickly discharge.Close background apps and disable the flash drive after transferring files.
3. Connection through the card reader: if OTG doesn't work
If the smartphone does not see the flash drive through OTG, The problem may be a lack of power or incompatibility of the controller, in which case the card reader with external power (for example, through the control system) will help. USB-hub).
You'll need:
- π USB-externally powered hub (connected to the outlet).
- πΎ Card reader for MicroSD or USB-flash drives (depending on the type of storage device).
- π± OTG-cable.
Step-by-step:
- Connect. USB-plug-in.
- Put the card reader with the flash drive in the hub.
- Connect the hub and Redmi 7 through OTG-cable.
- On the smartphone will appear a notification about the connected USB-Open the file manager and check for a new disk.
| Problem. | Possible cause | Decision |
|---|---|---|
| The flash drive is undetectable. | Lack of nutrition | Use a hub with external power supply |
| Error "Device not supported" | Incompatible file system | Format the flash drive in exFAT |
| Smartphone overheating | High load on the port | Turn off the flash drive and let the device cool down. |
| Files are not copied. | MIUI's restrictions on recording | Use a file manager with root access |
π‘
If you often work with large files (video, backups), buy OTG-This will prevent the smartphone from discharging and data transmission failures.
4.Tune in. MIUI for working with external storage
Even if the flash drive is physically connected, MIUI It can block access to it because of security or energy saving settings:
- βοΈ Permission OTG: Settings β Additionally. β Functions OTG (should be included).
- π Permissions for File Manager: Open Settings β Annexes β Files. β Permits and enable access to storage.
- π Battery Optimization: Add File Manager to Exceptions (Settings) β Battery β Optimizing the battery).
If you use the flash drive as your primary storage for applications, make additional settings:
- Connect the flash drive through the OTG.
- Open the Settings β Memory.
- Click on the flash drive icon and select Use as internal memory (requires formatting!).
- After formatting, transfer applications to Settings β Annexes β [Select an application] β Memory. β Change.
β οΈ Note: When formatting the flash drive as internal memory, Redmi 7 will encrypt it!
What to do if MIUI asks for a flash drive?
5. Compatibility of formats: FAT32, exFAT or NTFS?
Xiaomi Redmi 7 supports three main file systems for external drives, but each has limitations:
| Format | Max. File size. | Max. The volume of the flash drive. | Support for MIUI | Notes |
|---|---|---|---|---|
| FAT32 | 4GB | 32GB | Yes. | Not suitable for 4K video |
| exFAT | 16 EB | 256 GB+ | Yes (recommended) | Optimal for flash drives >64GB |
| NTFS | 16 EB | Unlimited. | Partially (read only) | You need root rights to record. |
How to check the format of the flash drive on Redmi 7:
- Connect the flash drive through the OTG.
- Open the Settings β Memory.
- Click on the flash drive icon - the format will be indicated in the information.
If you need to format a flash drive directly from your smartphone:
- Get the drive on.
- Open the Files app, go to the section USB-accumulator.
- Click on the three dots in the top right corner and select Storage Settings β Format.
- Select exFAT and confirm the action.
π‘
For flash drives larger than 64 GB, exFAT is the only reliable option for the Redmi 7. NTFS It works only for reading, and FAT32 Does not support files larger than 4GB.
Typical errors and their solutions
When connecting a flash drive to the Xiaomi Redmi 7, users often face typical problems, and here are the most common ones and ways to fix them:
- β "USB-Device not identified": Check OTG-Format the flash drive to exFAT on your PC. Reboot the smartphone with the flash drive connected.
- β‘ "Insufficient nutrition: Use USB-External powered hub, connect the charger to your smartphone while you're using the flash drive, close the background applications that consume energy.
- π "No File Access: Check the File Manager Permits in Settings β If the flash drive is encrypted, connect it to your PC and unprotect it.
- π’ "Slow data transfer": USB 2.0 on Redmi 7 limited to speed ~35MB/s. To speed up, copy files in small packs. Use flash drives with an interface. USB 3.0 (they are compatible, but the speed will be limited by the port of the smartphone).
If none of the methods helped, try resetting the settings. MIUI before the factory (Settings) β The phone. β Reset settings. Be sure to back up the data before doing so!
7. Alternative methods: clouds and network storage
If the physical connection of the flash drive is not possible (for example, the port is broken). USB), You can use network storage or cloud services, and this is universal, but it requires a stable Internet.
The following are the popular Redmi 7 services:
- βοΈ Mi Cloud (built-in in) MIUI, 5GB free of charge).
- π Google Drive (15GB free, Android integration).
- π Yandex Disk (10 GB free, convenient for Russian-speaking users).
- π Nextcloud (self-deployed on a home server).
Instructions for transferring files from the flash drive to the cloud:
- Connect the flash drive to your computer and upload the files to the selected cloud service.
- On Redmi 7, install the official service app (Google Drive, Mi Cloud, etc.).
- Log in and download the necessary files in the memory of the smartphone.
- For automatic synchronization, enable the Autoboot option in the application settings.
The advantages of cloud storage:
- β Access to files from any device.
- β No risk of losing data when a flash drive breaks.
- β Possibility of sharing files.
Disadvantages:
- β Internet is required (traffic is consumed).
- β Limited free space (you have to pay for expansion).
- β The loading speed depends on the quality of the connection.
π‘
Cloud services are the best option for backup, but not for working with large files (e.g. video) all the time. 4K).