How to connect external storage to Xiaomi devices: from smartphone to TV box

Xiaomi devices — from smartphones to smart TVs — often face a shortage of internal memory. Even flagship models with 256GB can fill up quickly if you actively shoot videos in the video. 4K, You can install heavy games or you can store large libraries, and fortunately, the company has come up with a number of ways to expand memory, from the classic to the traditional. USB-OTG But not all methods work equally well across devices — it's important to consider the nuances of firmware, file system format, and even the type of cable.

In this article, we will analyze all the current ways to connect external storage to Xiaomi equipment: smartphones (Redmi, POCO, Mi, TVs (Mi) TV), You'll learn how to format your disk, what adapters you'll need to format it for. USB-C Or Micro-USB, and why sometimes the device doesn't see the flash drive, and also unique firmware chips. MIUI, which allow you to use external drive as internal memory (Adoptable Storage), but they are not known.

1. Connect a flash drive or hard drive to a Xiaomi smartphone

Xiaomi’s current smartphones (starting with the Redmi Note 5 and Mi 8) support the technology USB OTG (On-The-Go, which allows you to connect external devices via a standard connector USB-C Micro-USB, however, has some limitations:

• 🔌 Type of connector: For older models (Redmi) 4X, Mi A1) You need a Micro-USB adapter. → USB-A. New smartphones (Redmi Note 12, Xiaomi 13) require USB-C → USB-A.
• 💾 File system format: MIUI works without problems FAT32 and exFAT, but may not recognize NTFS (is resolved by reformatting).
• ⚡ Power: 2.5 hard drives (without external power) may not be determined due to lack of power - you need a Y-cable with an additional port for charging.

To plug in the flash drive:

1. Put it in. OTG-adapter.
2. Connect a flash drive or hard drive to the adapter.
3. Wait for the notice "USB-device is connected" (if not, check the cable or disk format).
4. Open the Conductor (MIUI) → tab "USB".

The flash drive is formatted in FAT32/exFAT|

adapter OTG Good (try another one)|

The phone connector is not contaminated (clean with alcohol)|

On the smartphone enabled file transfer mode (in the curtain notifications)-->

In the models with MIUI 12+ The function "Transfer of data to the USB" — It allows you to automatically copy photos and videos to an external drive when you connect it:

1. Go to Settings. → Memory. → Move it to USB.
2. Select file types (photos, videos, documents).
3. Click "Transfer" - the system organizes folders.

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If you frequently connect the same drive, mark it as “Trusted” in your settings. USB (It'll be up after you first connect. This will speed up access to files on the following connections.

2.Use of external storage as internal memory (Adoptable Storage)

One of the hidden possibilities MIUI — Adoptable Storage function, which allows you to "tether" an external drive (a flash drive or a flash drive). SD-map to the system so that it's perceived as part of the internal memory, which is useful if you don't have much space to install applications:

• ⚠️ After formatting, the disk will work only with this smartphone – on other devices, files will not open.
• 🔄 Speed depends on the class of the flash drive: Adoptable Storage is recommended UHS-I Class 10 or higher.
• 📱 The function is not available on all models (for example, not available on the POCO F1 and some Redmi with custom firmware).

How to activate Adoptable Storage:

1. Connect the flash drive through the OTG.
2. In the notice "USB-Device connected" press "Settings".
3. Select "Format as an internal memory".
4. Confirm the action - the system will restart.

⚠️ Note: If you retrieve the disk after formatting as internal memory, all the applications installed on it will stop working. Always use the Safe Retrieval feature in the notification curtain.

Yeah, regularly.|

I tried it, but I went back to the usual flash drive.|

No, I didn't know about that function.|

I haven't tried, but I'm planning.-->

3. Connect storage to a TV or TV box Xiaomi

Mi TVs TV The Mi Box supports external drives to expand memory for apps, movies and games:

• 📺 Mi TV 4/5 have only one USB-port (usually) USB 2.0), So you'll need a hard drive. USB-powerhouse.
• 🎮 Mi Box S and Mi Box 4K work FAT32 and NTFS, They do not support exFAT (unlike smartphones).
• 🔌 For connection SSD or HDD volume >2 TB may need to be redesigned GPT.

Instructions for Mi TV:

1. Connect the flash drive or disk to USB-port.
2. Open the Settings. → Devices → Warehouse.
3. Select “Format as internal” (optional) or simply use as a removable disk.
4. To install applications on an external drive, go to Settings → Annexes → Place of installation.

The Mi Box algorithm is similar, but there’s one trick: If the TV can’t see the disc, try:

1. Turn it off the power for 30 seconds.
2. Connect through USB-External feeding hub (especially relevant for HDD).
3. Reformat the disk to FAT32 cluster size 32 KB.

4. Network Storage via Xiaomi Router (Samba/FTP)

If you have a Xiaomi Mi Router (such as Mi Router) 4A, AX3600), You can plug a hard drive into it and make it a network storage, and it's easy to access files from all the devices in your home, from your smartphone to your Smart. TV. It's gonna take a while:

• 🔗 router USB-Port (not all models support – check the specifications).
• 💿 Hard drive or flash drive (recommended) NTFS exFAT).
• 📡 Stable Wi-Fi connection (for video streaming you need speeds from 50 Mbps).

Network storage configuration:

1. Connect the disk to USB-router.
2. Log in to the router's web interface (192.168.31.1) or via the Mi WiFi app.
3. Go to Additional Settings → USB-storage.
4. Activate "Samba" and set a username/password.
5. On a smartphone or PC, connect to the network folder through \\192.168.31.1 (or router host name).

To access the Mi TV Mi Box:

1. Open the Explorer or Media Center.
2. Select "Network" → "Add network storage".
3. Enter. IP router, login and password (same as in Samba settings).

⚠️ Attention: If the router restarts, the network drive may shut down. To avoid data loss, set up automatic mounting on your PC (via net use on Windows) or use applications like Solid Explorer on Android.

5. Features of connecting to different Xiaomi models

Not all Xiaomi devices work equally well with external drives.

For example, Xiaomi Pad 5 supports the OTG, but because of the limitations MIUI For Pad can't use Adoptable Storage. And Mi can't use Adoptable Storage. TV Q2 Allows you to connect the disk only for media files – the installation of applications on it is blocked.

If your device does not see the drive, check:

• 🔌 Cable: For USB 3.0 needs a high-quality adapter (cheap can not transfer data).
• 🔋 Power: 3.5 hard drives require separate power supply.
• 🛠️ Firmware: On custom ROM (For example, the Pixel Experience may not work. OTG.

6. Frequent errors and their solutions

Even with the right connection, users face problems, and here are the most common ways to fix them:

• 🚫 "USB-Device not recognized": Check the file system (reformat to FAT32), Try another cable or port.
• 🐢 Slow copying speed: USB 2.0 is limited to 40 MB/s – use USB 3.0 or connect the disk to the router.
• 🔒 "Disk is Write-Protected": Hardware lock switch often works on flash drives. Also check attributes in diskpart (Windows).
• 📱 "Applications are not installed on SD-Map: Enable the option in Settings → Memory. → Default location.

For diagnosis on a smartphone:

1. Connect the disk and open the settings. → The phone. → Version. MIUI.
2. Press 5 times on "Version" MIUI", activate the developer mode.
3. Back to Settings → Additionally. → For developers.
4. Find the "Debugging" item. USB" and turn it on.
5. Connect your phone to your PC and check logs through adb logcat (if there are mounting errors).

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If the drive is installed on a PC but not on Xiaomi, the problem is with the firmware or drivers. MIUI or reset to factory settings (with data saved).

7.Alternative ways to expand memory

If the physical connection of the drive is not possible (for example, on the POCO M3 without OTG), consider alternatives:

• ☁️ Cloud storage: Mi Cloud (5GB free), Google Drive or Yandex Disk with autoload photos.
• 📡 FTP-PC Server: Configure access to your home computer folders through FileZilla Server or Windows built-in tools.
• 🔄 Wi-Fi Transfer: Apps like Send Anywhere or Xiaomi Share (built into the app) MIUI) Allows you to quickly transfer files without cables.
• 🖥️ Network storage (NAS): Devices like Xiaomi Mi NAS (If you still have a sale, or any NAS from Synology/QNAP.

To automatically sync photos with the cloud:

1. Open the gallery → Settings → Backup.
2. Choose Mi Cloud or Google Photos.
3. Activate "Shoot over Wi-Fi."

If you need to regularly vacate space on your smartphone, set up automatic cleaning:

1. Go to Settings → Memory → Cleanup.
2. Enable "Deep Cleaning" and "Duplicate Cleaning".
3. Set a schedule (for example, once a week).

FAQ: Answers to popular questions