Owners of budget but popular smartphones like the Xiaomi Redmi 6A often face a shortage of internal memory. 16 or 32GB of built-in storage may not be enough to store thousands of photos, high-resolution videos and heavy applications.
Many users are wondering how to find a flash drive in a phone right after you connect, because Android doesn't always automatically display the contents of an external drive on your desktop, because of the MIUI shell and the structure of the file system. To access the data, you need to do a few simple steps to activate the USB interface.
In this article, we will discuss in detail the process of connecting, configuring and finding external drives on your device, you will learn what file formats the system supports, how to properly extract devices and what to do if the smartphone has stopped responding to the connection.
Preparation of equipment and compatibility check
Before trying to find a connected flash drive in the system, you need to make sure that your equipment is physically compatible.The Xiaomi Redmi 6A smartphone is equipped with a Micro-USB port, which is an important technical nuance.To connect a standard USB-A flash drive, you will need a special adapter called USB OTG (On-The-Go).
OTG technology allows a mobile device to operate in host mode, which means it acts as a computer that connects to the periphery. Without this feature at the hardware level, connecting the drive will be useless. Fortunately, the MediaTek Helio A22 processor installed in the Redmi 6A fully supports external drives.
Note the formatting of your drive. Android works best with the FAT32 file system. If your flash drive is formatted in NTFS or exFAT, the phone may see it, but it won't be able to write data or display content at all without installing additional drivers.
⚠️ Warning: Do not connect external hard drives to your smartphone (HDD) The mobile port is not capable of producing enough current to rotate the mechanical disc, which can damage the phone's power controller.
For a successful connection, you will need:
- 🔌 adapter USB OTG (Micro-USB male to USB female).
- 💾 USB-flash drive or card reader with microSD card.
- 📱 Charged smartphone Redmi 6A (preferably more than 20% charge).
Connection and activation process of USB OTG
Unlike some other manufacturers, the MIUI shell installed on the Redmi 6A often has USB OTG enabled by default and does not require manual activation in the settings. However, there are situations where the system blocks the power supply to the port to save energy. If nothing happens after connecting the flash drive, check the settings.
Go to the settings menu and find the section for additional features. The path may vary depending on the firmware version, but it is usually in Settings → Advanced Settings → USB OTG. Make sure the switch is activated. In some versions of MIUI, this item may be called simply "OTG" or not if it is on by default.
After physically connecting the flash drive through the adapter, a pop-up notification about the connection should appear on the screen. USB-The system will suggest opening the file manager or running the media player if there are video files on the flash drive. This notification should not be ignored, as it confirms the successful contact of the devices.
☑️ Connection check
If there is no notification, try unlocking the phone's screen.In rare cases, the security system MIUI blocking the connection of unknown USB-Also check if the Micro-USB port in the phone itself is contaminated, as dust often interferes with the adapter's tight contact.
Where to look for files: work with the Explorer
The most common user question is, “Where did the flash drive go?”. Once connected successfully, the external drive does not create a new icon on the desktop. Files are accessed through the standard File Manager app, which is pre-installed on all Xiaomi devices.
Open the Explorer app. At the top of the screen, you'll see tabs or category icons. You need a Review tab or folder icon. This shows the internal memory structure. The external flash drive will show up as a separate partition, usually called USB or UDisk.
The display structure may look as follows:
| Section | Description | Type of memory |
|---|---|---|
| Internal memory. | Main cell phone storage | Built-in |
| SD-map | Memory card in the slot (if any) | External |
| USB | Connected via OTG flash drive | External |
| Systemic | Android files and applications | Hidden. |
Click on the USB partition. Now you're in the root directory of your flash drive. Here you can create folders, copy files, and delete data. For ease of use, it's recommended that you create a separate folder for documents or photos immediately so you don't get confused in system files.
⚠️ Note: When you first connect the flash drive, the system may request permission to access the files. Be sure to click "Allow", otherwise the Explorer will not be able to display the contents of the drive.
Why is the flash drive not displayed in the Explorer?
Set up notifications and display in the curtain
Sometimes users accidentally hide a USB connection notification, and then it becomes more difficult to find quick access to the USB drive. MIUI has a notification management mechanism that can block system messages about the peripheral connection.
To get back the quick access, lower the notification curtain down. If there's a USB icon, click on it to go. If there's no icon, check the notification settings. Go to Settings → Notifications and Status bar → Notifications Management. Find the Explorer or Media Storage app in the list and make sure notifications are allowed.
It's also useful to know how to quickly remove the drive. You can't just pull the flash drive out, which can cause data loss or file spreadsheet damage. There should be a Safe Removal button or an eject icon in the notification curtain or Explorer. Press it and wait for the message that the drive can be turned off.
For advanced users, there is a way to display USB status in a constant mode, which can be done through third-party widgets or theme settings, but this option is limited by standard MIUI tools. However, the charge indicator can sometimes flash or change behavior when connecting an OTG, which is an indirect sign of port activity.
💡
Use the Mi Explorer file manager instead of third-party counterparts. It's better optimized for system partitioning. MIUI and correctly maps the paths to USB-accumulator.
Solving problems with the definition of the drive
The Redmi 6A doesn't see the flash drive is quite common. The reasons can be both software and hardware. The first thing to do is check the integrity of the OTG adapter. Cheap Chinese adapters often fail or don't have soldered contacts for data transfer, working only on charging.
The second common problem is the file system format. As mentioned earlier, Android natively supports FAT32 and exFAT (on newer versions). NTFS format, standard for Windows, often cannot be read without installing special Google Play driver apps such as "Microsoft exFAT/NTFS for USB by Paragon."
If the flash drive was previously used on a macOS or Linux computer, it could have hidden system partitions that conflict with Android, and then full formatting of the drive would help, and you could do that right on your phone if it sees the device, or on your computer.
Algorithm for actions in case of errors:
- 🔄 Reboot your smartphone with a connected flash drive.
- 🧹 Clean the Micro-USB port of dust with compressed air.
- 💿 Format the drive in FAT32 PC-only.
- 🔌 Try another one. OTG-cable.
⚠️ Attention: Formatting completely destroys all data on the flash drive.Be sure to copy important files to your computer before this procedure, if possible.
Using a flash drive to expand memory
Many users want to use the flash drive not just to transfer files, but as a full-fledged extension of internal memory for installing applications. In modern versions of Android and MIUI, this feature, known as Adoptable Storage, is often hidden or removed by manufacturers for the sake of system stability.
On the Redmi. 6A standard means to transfer applications to USB-The system allows you to store only media files, documents and cache of certain programs (for example, offline maps or music in streaming services) on an external medium. ADB-Teams can lead to unstable phone operation.
However, you can set up automatic photo and video saving to an external drive. Open the Camera app, click on the settings (three bars or gears) and find Save on SD-Map or Memory. Choose yours. USB-Now all the new images will be immediately hit on the flash drive, freeing up the interior space.
💡
The OTG flash drive on the Redmi 6A is ideal for media storage and backups, but is not designed to install heavy applications due to USB 2.0 port speed limits.
Also consider the speed. Micro-USB 2.0 port has limited bandwidth. When copying large amounts of data (for example, movies in 4K), the speed may be slow. Do not interrupt the copying process, as this can lead to write errors.
Safe extraction and maintenance of the port
Proper operation of external drives prolongs the life of not only the flash drive itself, but also the connector of your smartphone. Mechanical pressure with careless extraction of the adapter can shake the Micro-USB socket, which is a frequent break in budget Xiaomi models.
Always use software extraction before you physically shut down, which ensures that all the recording buffers are cleaned and no file is left corrupted. If you use a flash drive often, it makes sense to purchase a compact file. OTG-cable, not a bulky adapter to minimize load on the port.
When storing a phone with an adapter connected, be careful: do not put the device in a cramped pocket where the flash drive can bend or press on the screen.It is best to carry the adapter separately in a case or bag, connecting it only when necessary.
Compliance with these simple rules will allow you to effectively manage memory on the Xiaomi Redmi 6A, watch movies, listen to music and carry documents without having to buy a new, more expensive smartphone.