Modern Xiaomi and Redmi smartphones running MIUI shell or the new HyperOS have impressive specs, but internal memory is often lacking. Users actively shoot 4K videos, install heavy games and store thousands of photos, which inevitably leads to overflow of storage. Transferring information to an external medium becomes not just a convenient option, but a necessity for a comfortable device operation.
Use of the USB-Flash drives are the fastest and most reliable way to free up space without losing file quality. Unlike cloud storage, an external drive does not require internet and ensures that your personal data remains with you. Owners of Xiaomi Redmi Note and flagship series often wonder how to organize this process properly, so as not to damage the file system.
In this article, we will discuss in detail all available methods of copying data, starting with connecting through the Internet. OTG-You will learn about the nuances of file systems and how to solve the typical errors that users encounter when working with external drives.
Preparation of equipment and compatibility check
Before starting the procedure, you need to make sure that your Xiaomi smartphone technically supports external connection. USB-Virtually all modern models released after 2016 are equipped with a function. USB OTG (On-The-Go, which allows the phone to act as a host, but in older or budget models of the Redmi Go or Redmi A series, this feature may not be available or require activation in hidden menus.
You'll need the flash drive itself, and maybe a special adapter. If your smartphone has a USB Type-C connector, and the flash drive has a standard USB Type-A connector, you can't do without an adapter. It's important to pay attention to the quality of the accessories: cheap cables may not provide enough current, which will lead to unstable operation of the drive.
⚠️ Note: Using substandard adapters can cause voltage surges and damage to the power controller of your Xiaomi smartphone.
Android smartphones usually read flash drives up to 128 GB or 256 GB without problems. When using larger disks or external hard drives, port power may not be enough and you will need active. USB-powerhouse.
- 🔌 Make sure you have one. OTG-cable or adapter corresponding to the phone connector.
- 💾 Check if the flash drive is formatted in a compatible file system (more on this below).
- 📱 Charge your smartphone to a minimum 40-50%, Data recording consumes energy.
Formatting a flash drive into the correct file system
One of the most common reasons Xiaomi doesn't see the flash drive is an incompatible file system. Android devices natively support the FAT32 and exFAT formats. NTFS format, standard for Windows, often requires third-party apps or root rights to write data, although reading can work by default.
If your flash drive was previously only used on Windows computers, it is most likely formatted in NTFS. For seamless work with a Redmi smartphone, it is better to reformat the drive. This can be done directly on the computer or, in some cases, through the phone itself, if it is able to identify the device.
FAT32 format: Maximum compatibility, but you can’t write a file larger than 4GB.
ExFAT format: Optimal for Android, supports files of any size.The formatting process will completely destroy all data on the media, so pre-copy important information on the computer. Once formatted in exFAT, the flash drive will be the perfect companion for your smartphone, allowing you to carry even heavy video files without errors.
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If you plan to use the flash drive only for photo and document transfers, choose FAT32. For 4K video and game backups, exFAT only.
Instructions: transfer files through the file manager
After successfully connecting the flash drive to the smartphone connector, the Android system should emit a characteristic connection sound, and a message about a new message will appear in the notification curtain. USB-To manage files, we will use the built-in Explorer application from Xiaomi, which has all the necessary functionality.
Open the application and find the section «USB-If it's a storage device, it's a good connection, and now the algorithm is simple: you have to go to internal memory, find folders with photos (usually). DCIM/Camera), Videos or documents, highlight them and select the copy or move function.
☑️ Transfer algorithm
When copying large amounts of data (for example, an entire gallery), the process can take time. Do not turn off the screen or run heavy applications so as not to interrupt the recording process. Once you have completed the operation, be sure to use the Safe Retrieval function in the notification curtain or in the conductor menu before physically turning off the flash drive.
- 📂 Select files in groups of 500-1000 So the interface doesn't hang.
- ⏳ Wait for the progress indicator to end before shutting down.
- 🛡️ Use Safe Extraction to Avoid Data Corruption.
⚠️ Warning: Never pull out a flash drive while writing data – this is guaranteed to result in loss of portable files and possible damage to the file table.
Using the PC as an intermediate
If you are directly connected through OTG It's impossible or it's unstable, and you can use the classical computer method, and it's particularly relevant if you want to move a few tens of gigabytes of information, because you can transfer it through the computer. USB-The computer port is often higher and more stable.
Connect your smartphone to your computer through USB-The phone screen will be asking for mode of operation. USB. Select the "File Transfer" mode» (MTP). Then, in My Computer, you'll see a device called your Xiaomi. Copy the data from your phone to your PC's hard drive, then replace the drive with a flash drive, and transfer the data there.
This method is also convenient because it allows you to audit files: delete duplicates, sort photos by folder and clean up garbage before writing to a USB flash drive. For owners of Redmi with a USB 2.0 connector, this can be even faster than direct copying inside the phone.
Comparison of data transfer methods
The choice of transfer method depends on your goals, hardware availability and data volume. Direct connection is convenient for fast transfer of several files on the go, whereas using a PC is better for creating full backups.
| Method | Speed. | Convenience | Equipment required |
|---|---|---|---|
| Direct (OTG) | Medium | High. | OTG-cable |
| Through the PC. | Tall. | Average. | Computer, 2 USB-cable |
| The cloud (Mi Cloud) | Low (network dependent) | High. | Wi-Fi, Mi Account |
| Direct (OTG) | ~15-30 Mb/s | Instant start | Flash drive + adapter |
| Through the PC. | ~40-100 Mb/s | Requires preparation | PC + cables |
| Cloud. | ~1-10 Mb/s | Automatically. | Internet |
As you can see from the table, direct connection via OTG is the most versatile solution for owners of Xiaomi smartphones, not requiring a computer, but for a regular backup of huge archives, PCs remain the leader in speed.
Problem Solving: The phone can't see the flash drive
Sometimes users are faced with a situation where nothing happens after connecting. The first reason is the lack of support for OTG in a particular firmware region. In some global versions of MIUI, this feature must be activated manually. To do this, type the word "OTG" in your settings search and check if there is one. If there is one, try searching for "USB".
The second reason is formatting. As mentioned earlier, the NTFS file system may not read. Try formatting the flash drive on your computer in FAT32. The problem can also be with the cable itself: many cables are only for charging and have no data lines. Use only original or certified cables.
What if the flash drive is detected, but the files are not copied?
If nothing works, it may be a lack of power. Try turning off other energy-intensive processes on your phone or using an active one. USB-In rare cases, cleaning the cache of the Explorer application through the application settings menu helps.
Automation and useful tips
For advanced Xiaomi users, there are ways to automate the process, such as configuring scripts in the Auto Tasks app to enable you to connect to the same system. USB-It automatically opens the file manager or starts recording the screen, which is a small thing, but it saves time when you use it regularly.
Keep the flash drive in a protective case. Dust and moisture are the main enemies of contacts. Regularly check the integrity of files on the media, running error checks through the computer, as mobile OS rarely do this in the background.
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Regular backup to physical media is the only way to guarantee the safety of data in case of a smartphone breakdown or failures in cloud services.
Remember that flash memory is not a permanent storage. flash memory has a limit of overwrite cycles. For a long-term archive (more than 5 years), it is better to periodically rewrite data to a new medium or duplicate it to a computer hard drive.